$elv 2018 Q1 10-Q

Concept	2018 Q1	2017 Q1
Revenue	$22.54B	$22.53B
YoY Change	0.05%	11.02%
Cost Of Revenue	$17.05B	$17.54B
YoY Change	-2.83%	12.9%
Gross Profit	$5.491B	$4.982B
YoY Change	10.21%	4.9%
Gross Profit Margin	24.36%	22.12%
Selling, General & Admin	$3.428B	$3.191B
YoY Change	7.42%	-0.28%
% of Gross Profit	62.43%	64.05%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$30.00M	$27.30M
YoY Change	9.89%	6.64%
% of Gross Profit	0.55%	0.55%
Operating Expenses	$3.428B	$3.191B
YoY Change	7.42%	-0.28%
Operating Profit	$1.868B	$1.585B
YoY Change	17.83%	0.96%
Interest Expense	$184.0M	$235.0M
YoY Change	-21.7%	25.6%
% of Operating Profit	9.85%	14.82%
Other Income/Expense, Net
YoY Change
Pretax Income	$1.780B	$1.514B
YoY Change	17.57%	15.4%
Income Tax	$468.0M	$505.1M
% Of Pretax Income	26.29%	33.36%
Net Earnings	$1.312B	$1.009B
YoY Change	30.03%	43.53%
Net Earnings / Revenue	5.82%	4.48%
Basic Earnings Per Share	$5.13	$3.82
Diluted Earnings Per Share	$4.99	$3.73
COMMON SHARES
Basic Shares Outstanding	255.8M shares	264.4M shares
Diluted Shares Outstanding	262.8M shares	270.4M shares

Concept	2018 Q1	2017 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$21.72B	$24.72B
YoY Change	-12.13%	23.42%
Cash & Equivalents	$4.631B	$6.772B
Short-Term Investments	$17.09B	$17.95B
Other Short-Term Assets	$3.552B	$1.824B
YoY Change	94.8%	-26.88%
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$36.97B	$37.98B
YoY Change	-2.65%	15.22%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.238B	$1.958B
YoY Change	14.3%	-2.04%
Goodwill	$20.19B	$17.56B
YoY Change	14.94%	-0.01%
Intangibles	$9.076B	$7.923B
YoY Change	14.55%	-2.28%
Long-Term Investments	$23.45B	$22.66B
YoY Change	3.49%	0.35%
Other Assets	$832.0M	$640.5M
YoY Change	29.9%	5.03%
Total Long-Term Assets	$36.33B	$30.96B
YoY Change	17.33%	0.22%
TOTAL ASSETS
Total Short-Term Assets	$36.97B	$37.98B
Total Long-Term Assets	$36.33B	$30.96B
Total Assets	$73.30B	$68.94B
YoY Change	6.32%	7.96%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$5.817B	$3.622B
YoY Change	60.6%	-13.04%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$1.125B	$540.0M
YoY Change	108.33%	0.0%
Long-Term Debt Due	$650.8M	$1.153B
YoY Change	-43.55%	188.78%
Total Short-Term Liabilities	$24.76B	$23.17B
YoY Change	6.83%	11.36%
LONG-TERM LIABILITIES
Long-Term Debt	$18.11B	$15.45B
YoY Change	17.22%	3.94%
Other Long-Term Liabilities	$942.3M	$889.9M
YoY Change	5.89%	-32.58%
Total Long-Term Liabilities	$19.05B	$16.34B
YoY Change	16.6%	0.96%
TOTAL LIABILITIES
Total Short-Term Liabilities	$24.76B	$23.17B
Total Long-Term Liabilities	$19.05B	$16.34B
Total Liabilities	$46.29B	$42.85B
YoY Change	8.02%	6.3%
SHAREHOLDERS EQUITY
Retained Earnings	$19.24B	$17.36B
YoY Change	10.85%	13.37%
Common Stock	$2.600M	$2.600M
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$27.01B	$26.09B
YoY Change
Total Liabilities & Shareholders Equity	$73.30B	$68.94B
YoY Change	6.32%	7.96%

Concept	2018 Q1	2017 Q1
OPERATING ACTIVITIES
Net Income	$1.312B	$1.009B
YoY Change	30.03%	43.53%
Depreciation, Depletion And Amortization	$30.00M	$27.30M
YoY Change	9.89%	6.64%
Cash From Operating Activities	$2.215B	$2.688B
YoY Change	-17.6%	97.69%
INVESTING ACTIVITIES
Capital Expenditures	$218.0M	$127.9M
YoY Change	70.45%	8.85%
Acquisitions	$1.346B	$0.00
YoY Change
Other Investing Activities	-$4.000M	-$11.80M
YoY Change	-66.1%
Cash From Investing Activities	-$566.0M	-$1.227B
YoY Change	-53.87%	-11.79%
FINANCING ACTIVITIES
Cash Dividend Paid	$192.0M	$172.0M
YoY Change	11.63%	0.76%
Common Stock Issuance & Retirement, Net	$395.0M	$50.70M
YoY Change	679.09%
Debt Paid & Issued, Net	$663.0M	$401.1M
YoY Change	65.3%
Cash From Financing Activities	-$627.0M	$1.234B
YoY Change	-150.8%	-402.01%
NET CHANGE
Cash From Operating Activities	$2.215B	$2.688B
Cash From Investing Activities	-$566.0M	-$1.227B
Cash From Financing Activities	-$627.0M	$1.234B
Net Change In Cash	$1.022B	$2.696B
YoY Change	-62.08%	-712.75%
FREE CASH FLOW
Cash From Operating Activities	$2.215B	$2.688B
Capital Expenditures	$218.0M	$127.9M
Free Cash Flow	$1.997B	$2.560B
YoY Change	-22.0%	106.09%

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2017Q1	antm	Accumulated Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax AccumulatedOtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-4200000	USD
CY2018Q1	antm	Accumulated Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax AccumulatedOtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-1400000	USD
CY2017Q1	antm	Available For Sale Securities Accumulated Other Comprehensive Income Net Deferred Tax Liability AvailableForSaleSecuritiesAccumulatedOtherComprehensiveIncomeNetDeferredTaxLiability	-245300000	USD
CY2018Q1	antm	Available For Sale Securities Accumulated Other Comprehensive Income Net Deferred Tax Liability AvailableForSaleSecuritiesAccumulatedOtherComprehensiveIncomeNetDeferredTaxLiability	-4700000	USD
CY2017Q4	antm	Available For Sale Securities Debt Maturities Amortized Cost Noncurrent AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostNoncurrent	556000000	USD
CY2018Q1	antm	Available For Sale Securities Debt Maturities Amortized Cost Noncurrent AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostNoncurrent	504100000	USD
CY2017Q1	antm	Available For Sale Securities Other Than Temporary Impairments In Accumulated Other Comprehensive Income Deferred Tax Liability Asset AvailableForSaleSecuritiesOtherThanTemporaryImpairmentsInAccumulatedOtherComprehensiveIncomeDeferredTaxLiabilityAsset	500000	USD
CY2018Q1	antm	Available For Sale Securities Other Than Temporary Impairments In Accumulated Other Comprehensive Income Deferred Tax Liability Asset AvailableForSaleSecuritiesOtherThanTemporaryImpairmentsInAccumulatedOtherComprehensiveIncomeDeferredTaxLiabilityAsset	0	USD
CY2017Q1	antm	Cash Flow Hedging Instruments Accumulated Other Comprehensive Income Net Deferred Tax Asset CashFlowHedgingInstrumentsAccumulatedOtherComprehensiveIncomeNetDeferredTaxAsset	88000000	USD
CY2018Q1	antm	Cash Flow Hedging Instruments Accumulated Other Comprehensive Income Net Deferred Tax Asset CashFlowHedgingInstrumentsAccumulatedOtherComprehensiveIncomeNetDeferredTaxAsset	67600000	USD
CY2017Q1	antm	Deferred Net Actuarial Gain Loss Postretirement Benefits DeferredNetActuarialGainLossPostretirementBenefits	-143700000	USD
CY2018Q1	antm	Deferred Net Actuarial Gain Loss Postretirement Benefits DeferredNetActuarialGainLossPostretirementBenefits	-76600000	USD
CY2017	antm	Securities Lending Transactions Ratioof Fair Valueof Collateral Held To Securities On Loan SecuritiesLendingTransactionsRatioofFairValueofCollateralHeldToSecuritiesOnLoan	1.04
CY2018Q1	antm	Securities Lending Transactions Ratioof Fair Valueof Collateral Held To Securities On Loan SecuritiesLendingTransactionsRatioofFairValueofCollateralHeldToSecuritiesOnLoan	1.02
CY2018Q1	antm	Securities Lending Transactions Initial Collateral Percentage Value SecuritiesLendingTransactionsInitialCollateralPercentageValue	1.02
CY2017Q1	antm	Defined Benefit Plan Accumulated Other Comprehensive Income Adjustments Net Of Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeAdjustmentsNetOfTax	-394800000	USD
CY2017Q1	antm	Deferred Prior Service Cost Credit Postretirement Benefit Plans DeferredPriorServiceCostCreditPostretirementBenefitPlans	56300000	USD
CY2018Q1	antm	Deferred Prior Service Cost Credit Postretirement Benefit Plans DeferredPriorServiceCostCreditPostretirementBenefitPlans	42900000	USD
CY2018Q1	antm	Defined Benefit Plan Accumulated Other Comprehensive Income Adjustments Net Of Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeAdjustmentsNetOfTax	-454300000	USD
CY2017Q1	antm	Defined Benefit Plan Accumulated Other Comprehensive Income Net Deferred Tax Asset DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetDeferredTaxAsset	-254800000	USD
CY2018Q1	antm	Defined Benefit Plan Accumulated Other Comprehensive Income Net Deferred Tax Asset DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetDeferredTaxAsset	-158800000	USD
CY2017Q4	antm	Equity Securities EquitySecurities	3632000000	USD
CY2018Q1	antm	Equity Securities EquitySecurities	2374800000	USD
CY2017Q4	antm	Equity Securities Current EquitySecuritiesCurrent	3599200000	USD
CY2018Q1	antm	Equity Securities Current EquitySecuritiesCurrent	2341900000	USD
CY2017Q4	antm	Equitysecurities Longterm EquitysecuritiesLongterm	32800000	USD
CY2018Q1	antm	Equitysecurities Longterm EquitysecuritiesLongterm	32900000	USD
CY2018Q1	antm	Gross Premium Tax Rate GrossPremiumTaxRate	0.0235
CY2017Q4	antm	Increase In Stock Repurchase Program Authorization IncreaseInStockRepurchaseProgramAuthorization	5000000000	USD
CY2017Q4	antm	Liability For Future Policy Benefits Current LiabilityForFuturePolicyBenefitsCurrent	69900000	USD
CY2018Q1	antm	Liability For Future Policy Benefits Current LiabilityForFuturePolicyBenefitsCurrent	71500000	USD
CY2018Q1	antm	Liability For Unpaid Claims And Claims Adjustment Expense Purchase Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpensePurchaseAdjustments	199200000	USD
CY2018Q1	antm	Merger Agreement Termination Fee MergerAgreementTerminationFee	1850000000	USD
CY2018Q1	antm	Net Adjustment To Additional Paid In Capital For Equity Hedge NetAdjustmentToAdditionalPaidInCapitalForEquityHedge	300000	USD
CY2017Q1	antm	Netrealizedgainslossesonfinancialinstruments Netrealizedgainslossesonfinancialinstruments	7300000	USD
CY2018Q1	antm	Netrealizedgainslossesonfinancialinstruments Netrealizedgainslossesonfinancialinstruments	-26100000	USD
CY2018Q1	antm	Number Of Counties In State Of Kansas Company Does Not Serve NumberOfCountiesInStateOfKansasCompanyDoesNotServe	30	county
CY2018Q1	antm	Number Of Medical Members NumberOfMedicalMembers	39600000	medical_member
CY2018Q1	antm	Numberofstatesinwhichcustomersareservedthroughsubsidiaries Numberofstatesinwhichcustomersareservedthroughsubsidiaries	15	states
CY2017Q1	antm	Other Net Change In Unrecognized Periodic Benefit Costs For Defined Benefit Pension And Postretirement Benefit Plans Tax Benefit Expense OtherNetChangeInUnrecognizedPeriodicBenefitCostsForDefinedBenefitPensionAndPostretirementBenefitPlansTaxBenefitExpense	-2300000	USD
CY2018Q1	antm	Other Net Change In Unrecognized Periodic Benefit Costs For Defined Benefit Pension And Postretirement Benefit Plans Tax Benefit Expense OtherNetChangeInUnrecognizedPeriodicBenefitCostsForDefinedBenefitPensionAndPostretirementBenefitPlansTaxBenefitExpense	-2600000	USD
CY2017Q1	antm	Payments For Proceeds From Financing Derivatives PaymentsForProceedsFromFinancingDerivatives	8000000	USD
CY2018Q1	antm	Payments For Proceeds From Financing Derivatives PaymentsForProceedsFromFinancingDerivatives	-24100000	USD
CY2017Q1	antm	Paymentstoacquireequitysecurities Paymentstoacquireequitysecurities	367000000	USD
CY2018Q1	antm	Paymentstoacquireequitysecurities Paymentstoacquireequitysecurities	566300000	USD
CY2018Q1	antm	Percentageofrevenuessubjecttonewrevenueguidanceunder Asc606 PercentageofrevenuessubjecttonewrevenueguidanceunderASC606	0.060
CY2017	antm	Potentially Dilutive Restricted Stock Units Contingent On Operating Results PotentiallyDilutiveRestrictedStockUnitsContingentOnOperatingResults	100000	shares
CY2018Q1	antm	Potentially Dilutive Restricted Stock Units Contingent On Operating Results PotentiallyDilutiveRestrictedStockUnitsContingentOnOperatingResults	300000	shares
CY2017Q1	antm	Proceedsfromsaleofequitysecurities Proceedsfromsaleofequitysecurities	63000000	USD
CY2018Q1	antm	Proceedsfromsaleofequitysecurities Proceedsfromsaleofequitysecurities	1775800000	USD
CY2018Q1	antm	Reclassificationofstrandedtaxeffectsresultingfromthe Tax Cutsand Jobs Act ReclassificationofstrandedtaxeffectsresultingfromtheTaxCutsandJobsAct	91300000	USD
CY2017	antm	Securities Lending Transactions Initial Collateral Percentage Value SecuritiesLendingTransactionsInitialCollateralPercentageValue	1.02
CY2017Q4	antm	Self Funded Receivables Gross SelfFundedReceivablesGross	2579700000	USD
CY2018Q1	antm	Self Funded Receivables Gross SelfFundedReceivablesGross	2458500000	USD
CY2017Q1	antm	Stock Repurchased And Retired During Period Average Price StockRepurchasedAndRetiredDuringPeriodAveragePrice	160.81
CY2018Q1	antm	Stock Repurchased And Retired During Period Average Price StockRepurchasedAndRetiredDuringPeriodAveragePrice	233.51
CY2018Q1	dei	Amendment Flag AmendmentFlag	false
CY2018Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2018Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2018Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018Q1	dei	Document Period End Date DocumentPeriodEndDate	2018-03-31
CY2018Q1	dei	Document Type DocumentType	10-Q
CY2018Q1	dei	Entity Central Index Key EntityCentralIndexKey	0001156039
CY2018Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	255544728	shares
CY2018Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	255199261	shares
CY2018Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2018Q1	dei	Entity Registrant Name EntityRegistrantName	Anthem, Inc.
CY2018Q1	dei	Trading Symbol TradingSymbol	ANTM
CY2017Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	2048100000	USD
CY2018Q1	invest	Derivative Notional Amount DerivativeNotionalAmount	1517500000	USD
CY2017Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	5024400000	USD
CY2018Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	5816700000	USD
CY2017Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	0	USD
CY2018Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	194900000	USD
CY2017Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	162500000	USD
CY2018Q1	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	160200000	USD
CY2017Q1	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	441400000	USD
CY2018Q1	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	14000000	USD
CY2017Q1	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-151400000	USD
CY2018Q1	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-254400000	USD
CY2017Q1	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	53300000	USD
CY2018Q1	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	25000000	USD
CY2017Q1	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-2700000	USD
CY2018Q1	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-900000	USD
CY2017Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-161800000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-101500000	USD
CY2018Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-720600000	USD
CY2017Q1	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities	1500000	USD
CY2018Q1	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities	0	USD
CY2017Q1	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities	1000000	USD
CY2018Q1	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities	0	USD
CY2017Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	8547400000	USD
CY2018Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	8489300000	USD
CY2017Q1	us-gaap	Adjustment For Amortization AdjustmentForAmortization	193400000	USD
CY2018Q1	us-gaap	Adjustment For Amortization AdjustmentForAmortization	239700000	USD
CY2017Q1	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Subsequent Adjustments AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments	-1100000	USD
CY2018Q1	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Subsequent Adjustments AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments	-30300000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	455300000	USD
CY2018Q1	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	369800000	USD
CY2017Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	41800000	USD
CY2018Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	79500000	USD
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	400000	shares
CY2018Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	300000	shares
CY2017Q4	us-gaap	Assets Assets	70540000000	USD
CY2018Q1	us-gaap	Assets Assets	73300400000	USD
CY2017Q4	us-gaap	Assets Current AssetsCurrent	36262800000	USD
CY2018Q1	us-gaap	Assets Current AssetsCurrent	36974100000	USD
CY2017Q4	us-gaap	Assets Fair Value Disclosure Recurring AssetsFairValueDisclosureRecurring	24001900000	USD
CY2018Q1	us-gaap	Assets Fair Value Disclosure Recurring AssetsFairValueDisclosureRecurring	22150400000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	17054500000	USD
CY2018Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	17070200000	USD
CY2017Q1	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	811000000	USD
CY2018Q1	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	239100000	USD
CY2017Q1	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax	686700000	USD
CY2018Q1	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax	18700000	USD
CY2017Q1	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	124300000	USD
CY2018Q1	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	220400000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	17377300000	USD
CY2018Q1	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	17091500000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Securities Noncurrent AvailableForSaleSecuritiesDebtSecuritiesNoncurrent	560800000	USD
CY2018Q1	us-gaap	Available For Sale Securities Debt Securities Noncurrent AvailableForSaleSecuritiesDebtSecuritiesNoncurrent	501500000	USD
CY2017Q1	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	45500000	USD
CY2018Q1	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	29700000	USD
CY2017Q1	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	23700000	USD
CY2018Q1	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	36400000	USD
CY2017Q1	us-gaap	Available For Sale Securities Income Tax Expense On Change In Unrealized Holding Gain Or Loss AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss	-46300000	USD
CY2018Q1	us-gaap	Available For Sale Securities Income Tax Expense On Change In Unrealized Holding Gain Or Loss AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss	77100000	USD
CY2017Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	21010900000	USD
CY2018Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	20757200000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4075300000	USD
CY2017Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6772400000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3608900000	USD
CY2018Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4630600000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	1956400000	USD
CY2018Q1	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	1542600000	USD
CY2017Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	2697100000	USD
CY2018Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	1021700000	USD
CY2016Q4	us-gaap	Ceded Premiums Payable CededPremiumsPayable	539100000	USD
CY2017Q1	us-gaap	Ceded Premiums Payable CededPremiumsPayable	454300000	USD
CY2017Q4	us-gaap	Ceded Premiums Payable CededPremiumsPayable	104900000	USD
CY2018Q1	us-gaap	Ceded Premiums Payable CededPremiumsPayable	34500000	USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.65
CY2018Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.75
CY2017Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	11500000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	1500000	USD
CY2018Q1	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	600000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	21500000	USD
CY2018Q1	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	24600000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	19900000	USD
CY2017Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.65
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.75
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	900000000	shares
CY2018Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	900000000	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	256084913	shares
CY2018Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	255544728	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	256084913	shares
CY2018Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	255544728	shares
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	2600000	USD
CY2018Q1	us-gaap	Common Stock Value CommonStockValue	2600000	USD
CY2017Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1116000000	USD
CY2018Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1104900000	USD
CY2018Q1	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	320200000	USD
CY2017Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-157200000	USD
CY2018Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-51500000	USD
CY2017Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	34100000	USD
CY2018Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	8700000	USD
CY2017Q1	us-gaap	Deferred Tax Assets Unrealized Currency Losses DeferredTaxAssetsUnrealizedCurrencyLosses	1500000	USD
CY2018Q1	us-gaap	Deferred Tax Assets Unrealized Currency Losses DeferredTaxAssetsUnrealizedCurrencyLosses	500000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	1726500000	USD
CY2018Q1	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	1812900000	USD
CY2017Q1	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-648900000	USD
CY2018Q1	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-612100000	USD
CY2017Q1	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	700000	USD
CY2018Q1	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	1000000	USD
CY2017Q4	us-gaap	Deposits Received For Securities Loaned At Carrying Value DepositsReceivedForSecuritiesLoanedAtCarryingValue	454400000	USD
CY2018Q1	us-gaap	Deposits Received For Securities Loaned At Carrying Value DepositsReceivedForSecuritiesLoanedAtCarryingValue	611800000	USD
CY2017Q1	us-gaap	Depreciation Depreciation	27300000	USD
CY2018Q1	us-gaap	Depreciation Depreciation	30000000	USD
CY2017Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	1600000	USD
CY2018Q1	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	2900000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	3100000	USD
CY2018Q1	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	3500000	USD
CY2018Q1	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	21700000	USD
CY2017Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-10300000	USD
CY2018Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-100000	USD
CY2018Q1	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	5900000	USD
CY2017Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	1600000	USD
CY2018Q1	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	2900000	USD
CY2017Q1	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2017-03-24
CY2018Q1	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2018-03-23
CY2017Q1	us-gaap	Dividends Common Stock DividendsCommonStock	172600000	USD
CY2018Q1	us-gaap	Dividends Common Stock DividendsCommonStock	199100000	USD
CY2017Q1	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2017-02-22
CY2018Q1	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2018-01-30
CY2017Q1	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2017-03-10
CY2018Q1	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2018-03-09
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.82
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.13
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.73
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.99
CY2017Q1	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	1600000	USD
CY2018Q1	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	400000	USD
CY2017Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.333
CY2018Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.263
CY2017Q1	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-1700000	USD
CY2018Q1	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-500000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-1000000	USD
CY2018Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-239000000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	3300000	USD
CY2018Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	400000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	81800000	USD
CY2018Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	275600000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	34500000	USD
CY2018Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	4500000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	20200000	USD
CY2018Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	7100000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	9500000	USD
CY2018Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	20800000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	31200000	USD
CY2018Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	1400000	USD
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	481400000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	489100000	USD
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	537500000	USD
CY2018Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	582300000	USD
CY2017Q1	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-700000	USD
CY2018Q1	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2017Q1	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2018Q1	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-19100000	USD
CY2017Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	2842700000	USD
CY2018Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	3110300000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	19231200000	USD
CY2018Q1	us-gaap	Goodwill Goodwill	20185500000	USD
CY2017Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1515000000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1780300000	USD
CY2017Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1515000000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1780300000	USD
CY2017Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	505100000	USD
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	467800000	USD
CY2018Q1	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	83400000	USD
CY2017Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	341900000	USD
CY2018Q1	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	0	USD
CY2017Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-223800000	USD
CY2018Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-300400000	USD
CY2017Q1	us-gaap	Increase Decrease In Collateral Held Under Securities Lending IncreaseDecreaseInCollateralHeldUnderSecuritiesLending	154500000	USD
CY2018Q1	us-gaap	Increase Decrease In Collateral Held Under Securities Lending IncreaseDecreaseInCollateralHeldUnderSecuritiesLending	157400000	USD
CY2017Q1	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	659700000	USD
CY2018Q1	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	536800000	USD
CY2017Q1	us-gaap	Increase Decrease In Insurance Liabilities IncreaseDecreaseInInsuranceLiabilities	130100000	USD
CY2018Q1	us-gaap	Increase Decrease In Insurance Liabilities IncreaseDecreaseInInsuranceLiabilities	-560800000	USD
CY2017Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	205200000	USD
CY2018Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	391800000	USD
CY2017Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	46200000	USD
CY2018Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	54400000	USD
CY2017Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	40300000	USD
CY2018Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	147400000	USD
CY2017Q1	us-gaap	Increase Decrease In Outstanding Checks Financing Activities IncreaseDecreaseInOutstandingChecksFinancingActivities	-168900000	USD
CY2018Q1	us-gaap	Increase Decrease In Outstanding Checks Financing Activities IncreaseDecreaseInOutstandingChecksFinancingActivities	-124400000	USD
CY2017Q1	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-276300000	USD
CY2018Q1	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-36700000	USD
CY2017Q1	us-gaap	Increase Decrease In Securities Lending Payable IncreaseDecreaseInSecuritiesLendingPayable	154500000	USD
CY2018Q1	us-gaap	Increase Decrease In Securities Lending Payable IncreaseDecreaseInSecuritiesLendingPayable	157400000	USD
CY2017Q1	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	14800000	USD
CY2018Q1	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	6800000	USD
CY2017Q1	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	954200000	USD
CY2018Q1	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	1182200000	USD
CY2017Q1	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	22319500000	USD
CY2018Q1	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	22342300000	USD
CY2017Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	8368400000	USD
CY2018Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	9076000000	USD
CY2017Q1	us-gaap	Interest Expense InterestExpense	235000000	USD
CY2018Q1	us-gaap	Interest Expense InterestExpense	184200000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	44037100000	USD
CY2018Q1	us-gaap	Liabilities Liabilities	46288000000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	70540000000	USD
CY2018Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	73300400000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	23356000000	USD
CY2018Q1	us-gaap	Liabilities Current LiabilitiesCurrent	24755900000	USD
CY2017Q4	us-gaap	Liabilities Fair Value Disclosure Recurring LiabilitiesFairValueDisclosureRecurring	21500000	USD
CY2018Q1	us-gaap	Liabilities Fair Value Disclosure Recurring LiabilitiesFairValueDisclosureRecurring	24600000	USD
CY2016Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	7892600000	USD
CY2017Q1	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	7920600000	USD
CY2017Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	7991500000	USD
CY2018Q1	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	7640300000	USD
CY2017Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	647300000	USD
CY2018Q1	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	666800000	USD
CY2017Q4	us-gaap	Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense	11011700000	USD
CY2018Q1	us-gaap	Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense	10630600000	USD
CY2017Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	11772200000	USD
CY2018Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	11478800000	USD
CY2017Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	5288900000	USD
CY2018Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	5627100000	USD
CY2017Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	17173900000	USD
CY2018Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	16625900000	USD
CY2016Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	7353500000	USD
CY2017Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	7466300000	USD
CY2017Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	7886600000	USD
CY2018Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	7605800000	USD
CY2018Q1	us-gaap	Litigation Settlement Amount Awarded To Other Party LitigationSettlementAmountAwardedToOtherParty	115000000	USD
CY2017Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1274600000	USD
CY2018Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	650800000	USD
CY2017Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	17382200000	USD
CY2018Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	18110100000	USD
CY2017Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1234300000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-627700000	USD
CY2017Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1227000000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-565900000	USD
CY2017Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2688200000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2214900000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	1009900000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	1312500000	USD
CY2017Q1	us-gaap	Net Investment Income NetInvestmentIncome	207200000	USD
CY2018Q1	us-gaap	Net Investment Income NetInvestmentIncome	229200000	USD
CY2018Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
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CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	1585400000	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	1867900000	USD
CY2017Q4	us-gaap	Other Assets Current OtherAssetsCurrent	2249300000	USD
CY2018Q1	us-gaap	Other Assets Current OtherAssetsCurrent	3552300000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	565300000	USD
CY2018Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	832000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	94200000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-256200000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1400000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	400000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-700000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-200000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	106100000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-207600000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	106100000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-207600000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-3900000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-7700000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	14000000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-11500000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-7500000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	3100000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-46600000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	63300000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	17000000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	28800000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-2700000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-7800000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	80200000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-244700000	USD
CY2017Q1	us-gaap	Other Income OtherIncome	5000000	USD
CY2018Q1	us-gaap	Other Income OtherIncome	30700000	USD
CY2017Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	3343000000	USD
CY2018Q1	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	3475500000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	925100000	USD
CY2018Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	942300000	USD
CY2017Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	3343800000	USD
CY2018Q1	us-gaap	Other Long Term Investments OtherLongTermInvestments	3460800000	USD
CY2017Q4	us-gaap	Other Policyholder Funds OtherPolicyholderFunds	2950300000	USD
CY2018Q1	us-gaap	Other Policyholder Funds OtherPolicyholderFunds	2918800000	USD
CY2017Q4	us-gaap	Other Receivables OtherReceivables	2266500000	USD
CY2018Q1	us-gaap	Other Receivables OtherReceivables	2305200000	USD
CY2017Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	17200000	USD
CY2018Q1	us-gaap	Other Short Term Investments OtherShortTermInvestments	24300000	USD
CY2017Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Period Increase Decrease OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsPeriodIncreaseDecrease	-3600000	USD
CY2018Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Period Increase Decrease OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsPeriodIncreaseDecrease	-200000	USD
CY2017Q1	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	9600000	USD
CY2018Q1	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	7900000	USD
CY2017Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	-1500000	USD
CY2018Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	0	USD
CY2017Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAvailableforsaleSecurities	-3600000	USD
CY2018Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAvailableforsaleSecurities	-200000	USD
CY2017Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	-2100000	USD
CY2018Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	-100000	USD
CY2017Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	8100000	USD
CY2018Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	7900000	USD
CY2017Q4	us-gaap	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	112600000	USD
CY2018Q1	us-gaap	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	134700000	USD
CY2017Q1	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	17061100000	USD
CY2018Q1	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	17105900000	USD
CY2017Q1	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	-400000	USD
CY2018Q1	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	0	USD
CY2017Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-11800000	USD
CY2018Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-3600000	USD
CY2017Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	50700000	USD
CY2018Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	394700000	USD
CY2017Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	172200000	USD
CY2018Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	191900000	USD
CY2017Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	41900000	USD
CY2018Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	73200000	USD
CY2017Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	4030100000	USD
CY2017Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2018Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	2235400000	USD
CY2017Q1	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2018Q1	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1346100000	USD
CY2017Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	73700000	USD
CY2018Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	72300000	USD
CY2017Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	127900000	USD
CY2018Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	218200000	USD
CY2017Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	17542800000	USD
CY2018Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	17045900000	USD
CY2017Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0
CY2018Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0
CY2017Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2018Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2017Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2018Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2018Q1	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2017Q4	us-gaap	Premiums And Other Receivables Net PremiumsAndOtherReceivablesNet	6184900000	USD
CY2018Q1	us-gaap	Premiums And Other Receivables Net PremiumsAndOtherReceivablesNet	6255900000	USD
CY2017Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	20951300000	USD
CY2018Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	20902800000	USD
CY2017Q4	us-gaap	Premiums Receivable Gross PremiumsReceivableGross	3605200000	USD
CY2018Q1	us-gaap	Premiums Receivable Gross PremiumsReceivableGross	3797400000	USD
CY2017Q1	us-gaap	Proceeds From Hedge Financing Activities ProceedsFromHedgeFinancingActivities	0	USD
CY2018Q1	us-gaap	Proceeds From Hedge Financing Activities ProceedsFromHedgeFinancingActivities	300000	USD
CY2017Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2018Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	836000000	USD
CY2017Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	522700000	USD
CY2018Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	362900000	USD
CY2017Q1	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	1719100000	USD
CY2018Q1	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	-108000000	USD
CY2017Q1	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	76500000	USD
CY2018Q1	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	23100000	USD
CY2017Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	3374500000	USD
CY2018Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	2227300000	USD
CY2017Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	2851800000	USD
CY2018Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1864400000	USD
CY2017Q1	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	1170000000	USD
CY2018Q1	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	1505000000	USD
CY2017Q1	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	103500000	USD
CY2018Q1	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	59400000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2174900000	USD
CY2018Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2237600000	USD
CY2017Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	401100000	USD
CY2018Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	662700000	USD
CY2017Q1	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	1070000000	USD
CY2018Q1	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	1655000000	USD
CY2017Q4	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	182300000	USD
CY2018Q1	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	230500000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	18054400000	USD
CY2018Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	19241100000	USD
CY2017Q1	us-gaap	Revenues Revenues	22525900000	USD
CY2018Q1	us-gaap	Revenues Revenues	22537500000	USD
CY2017Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	1363200000	USD
CY2018Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	1408800000	USD
CY2017Q4	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	455100000	USD
CY2018Q1	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	612200000	USD
CY2017Q4	us-gaap	Securities Loaned Fair Value Of Collateral SecuritiesLoanedFairValueOfCollateral	454400000	USD
CY2018Q1	us-gaap	Securities Loaned Fair Value Of Collateral SecuritiesLoanedFairValueOfCollateral	611800000	USD
CY2017Q4	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	455100000	USD
CY2018Q1	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	612200000	USD
CY2017Q1	us-gaap	Selling Expense SellingExpense	348600000	USD
CY2018Q1	us-gaap	Selling Expense SellingExpense	318200000	USD
CY2017Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	3191300000	USD
CY2018Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	3428500000	USD
CY2017Q1	us-gaap	Share Based Compensation ShareBasedCompensation	42700000	USD
CY2018Q1	us-gaap	Share Based Compensation ShareBasedCompensation	42200000	USD
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	0	shares
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	176.68
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	500000	shares
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	800000	shares
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	166.94
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	232.15
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	2000000	shares
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1900000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	152.20
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	180.43
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	900000	shares
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	147.29
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00397
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00323
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.3200
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.3000
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0231
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0290
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	2700000	shares
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	116.42
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	0	shares
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	172.73
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	800000	shares
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	40.73
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	55.31
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	350100000	USD
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4300000	shares
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4600000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	124.31
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	145.62
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	277900000	USD
CY2018Q1	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	99.33
CY2018Q1	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	232.03
CY2017Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y0M0D
CY2018Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P3Y8M12D
CY2018Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y2M8D
CY2018Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y9M18D
CY2017Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	1275000000	USD
CY2018Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	1125000000	USD
CY2018Q1	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	500000	shares
CY2017Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	99900000	USD
CY2018Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	28400000	USD

CY2017Q1

antm

Accumulated Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax

AccumulatedOtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

-4200000

USD

CY2018Q1

antm

Accumulated Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax

AccumulatedOtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

-1400000

USD

CY2017Q1

antm

Available For Sale Securities Accumulated Other Comprehensive Income Net Deferred Tax Liability

AvailableForSaleSecuritiesAccumulatedOtherComprehensiveIncomeNetDeferredTaxLiability

-245300000

USD

CY2018Q1

antm

Available For Sale Securities Accumulated Other Comprehensive Income Net Deferred Tax Liability

AvailableForSaleSecuritiesAccumulatedOtherComprehensiveIncomeNetDeferredTaxLiability

-4700000

USD

CY2017Q4

antm

Available For Sale Securities Debt Maturities Amortized Cost Noncurrent

AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostNoncurrent

556000000

USD

CY2018Q1

antm

Available For Sale Securities Debt Maturities Amortized Cost Noncurrent

AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostNoncurrent

504100000

USD

CY2017Q1

antm

Available For Sale Securities Other Than Temporary Impairments In Accumulated Other Comprehensive Income Deferred Tax Liability Asset

AvailableForSaleSecuritiesOtherThanTemporaryImpairmentsInAccumulatedOtherComprehensiveIncomeDeferredTaxLiabilityAsset

500000

USD

CY2018Q1

antm

Available For Sale Securities Other Than Temporary Impairments In Accumulated Other Comprehensive Income Deferred Tax Liability Asset

AvailableForSaleSecuritiesOtherThanTemporaryImpairmentsInAccumulatedOtherComprehensiveIncomeDeferredTaxLiabilityAsset

0

USD

CY2017Q1

antm

Cash Flow Hedging Instruments Accumulated Other Comprehensive Income Net Deferred Tax Asset

CashFlowHedgingInstrumentsAccumulatedOtherComprehensiveIncomeNetDeferredTaxAsset

88000000

USD

CY2018Q1

antm

Cash Flow Hedging Instruments Accumulated Other Comprehensive Income Net Deferred Tax Asset

CashFlowHedgingInstrumentsAccumulatedOtherComprehensiveIncomeNetDeferredTaxAsset

67600000

USD

CY2017Q1

antm

Deferred Net Actuarial Gain Loss Postretirement Benefits

DeferredNetActuarialGainLossPostretirementBenefits

-143700000

USD

CY2018Q1

antm

Deferred Net Actuarial Gain Loss Postretirement Benefits

DeferredNetActuarialGainLossPostretirementBenefits

-76600000

USD

CY2017

antm

Securities Lending Transactions Ratioof Fair Valueof Collateral Held To Securities On Loan

SecuritiesLendingTransactionsRatioofFairValueofCollateralHeldToSecuritiesOnLoan

1.04

CY2018Q1

antm

Securities Lending Transactions Ratioof Fair Valueof Collateral Held To Securities On Loan

SecuritiesLendingTransactionsRatioofFairValueofCollateralHeldToSecuritiesOnLoan

1.02

CY2018Q1

antm

Securities Lending Transactions Initial Collateral Percentage Value

SecuritiesLendingTransactionsInitialCollateralPercentageValue

1.02

CY2017Q1

antm

Defined Benefit Plan Accumulated Other Comprehensive Income Adjustments Net Of Tax

DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeAdjustmentsNetOfTax

-394800000

USD

CY2017Q1

antm

Deferred Prior Service Cost Credit Postretirement Benefit Plans

DeferredPriorServiceCostCreditPostretirementBenefitPlans

56300000

USD

CY2018Q1

antm

Deferred Prior Service Cost Credit Postretirement Benefit Plans

DeferredPriorServiceCostCreditPostretirementBenefitPlans

42900000

USD

CY2018Q1

antm

Defined Benefit Plan Accumulated Other Comprehensive Income Adjustments Net Of Tax

DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeAdjustmentsNetOfTax

-454300000

USD

CY2017Q1

antm

Defined Benefit Plan Accumulated Other Comprehensive Income Net Deferred Tax Asset

DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetDeferredTaxAsset

-254800000

USD

CY2018Q1

antm

Defined Benefit Plan Accumulated Other Comprehensive Income Net Deferred Tax Asset

DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetDeferredTaxAsset

-158800000

USD

CY2017Q4

antm

Equity Securities

EquitySecurities

3632000000

USD

CY2018Q1

antm

Equity Securities

EquitySecurities

2374800000

USD

CY2017Q4

antm

Equity Securities Current

EquitySecuritiesCurrent

3599200000

USD

CY2018Q1

antm

Equity Securities Current

EquitySecuritiesCurrent

2341900000

USD

CY2017Q4

antm

Equitysecurities Longterm

EquitysecuritiesLongterm

32800000

USD

CY2018Q1

antm

Equitysecurities Longterm

EquitysecuritiesLongterm

32900000

USD

CY2018Q1

antm

Gross Premium Tax Rate

GrossPremiumTaxRate

0.0235

CY2017Q4

antm

Increase In Stock Repurchase Program Authorization

IncreaseInStockRepurchaseProgramAuthorization

5000000000

USD

CY2017Q4

antm

Liability For Future Policy Benefits Current

LiabilityForFuturePolicyBenefitsCurrent

69900000

USD

CY2018Q1

antm

Liability For Future Policy Benefits Current

LiabilityForFuturePolicyBenefitsCurrent

71500000

USD

CY2018Q1

antm

Liability For Unpaid Claims And Claims Adjustment Expense Purchase Adjustments

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpensePurchaseAdjustments

199200000

USD

CY2018Q1

antm

Merger Agreement Termination Fee

MergerAgreementTerminationFee

1850000000

USD

CY2018Q1

antm

Net Adjustment To Additional Paid In Capital For Equity Hedge

NetAdjustmentToAdditionalPaidInCapitalForEquityHedge

300000

USD

CY2017Q1

antm

Netrealizedgainslossesonfinancialinstruments

7300000

USD

CY2018Q1

antm

Netrealizedgainslossesonfinancialinstruments

-26100000

USD

CY2018Q1

antm

Number Of Counties In State Of Kansas Company Does Not Serve

NumberOfCountiesInStateOfKansasCompanyDoesNotServe

30

county

CY2018Q1

antm

Number Of Medical Members

NumberOfMedicalMembers

39600000

medical_member

CY2018Q1

antm

Numberofstatesinwhichcustomersareservedthroughsubsidiaries

15

states

CY2017Q1

antm

Other Net Change In Unrecognized Periodic Benefit Costs For Defined Benefit Pension And Postretirement Benefit Plans Tax Benefit Expense

OtherNetChangeInUnrecognizedPeriodicBenefitCostsForDefinedBenefitPensionAndPostretirementBenefitPlansTaxBenefitExpense

-2300000

USD

CY2018Q1

antm

Other Net Change In Unrecognized Periodic Benefit Costs For Defined Benefit Pension And Postretirement Benefit Plans Tax Benefit Expense

OtherNetChangeInUnrecognizedPeriodicBenefitCostsForDefinedBenefitPensionAndPostretirementBenefitPlansTaxBenefitExpense

-2600000

USD

CY2017Q1

antm

Payments For Proceeds From Financing Derivatives

PaymentsForProceedsFromFinancingDerivatives

8000000

USD

CY2018Q1

antm

Payments For Proceeds From Financing Derivatives

PaymentsForProceedsFromFinancingDerivatives

-24100000

USD

CY2017Q1

antm

Paymentstoacquireequitysecurities

367000000

USD

CY2018Q1

antm

Paymentstoacquireequitysecurities

566300000

USD

CY2018Q1

antm

Percentageofrevenuessubjecttonewrevenueguidanceunder Asc606

PercentageofrevenuessubjecttonewrevenueguidanceunderASC606

0.060

CY2017

antm

Potentially Dilutive Restricted Stock Units Contingent On Operating Results

PotentiallyDilutiveRestrictedStockUnitsContingentOnOperatingResults

100000

shares

CY2018Q1

antm

Potentially Dilutive Restricted Stock Units Contingent On Operating Results

PotentiallyDilutiveRestrictedStockUnitsContingentOnOperatingResults

300000

shares

CY2017Q1

antm

Proceedsfromsaleofequitysecurities

63000000

USD

CY2018Q1

antm

Proceedsfromsaleofequitysecurities

1775800000

USD

CY2018Q1

antm

Reclassificationofstrandedtaxeffectsresultingfromthe Tax Cutsand Jobs Act

ReclassificationofstrandedtaxeffectsresultingfromtheTaxCutsandJobsAct

91300000

USD

CY2017

antm

Securities Lending Transactions Initial Collateral Percentage Value

SecuritiesLendingTransactionsInitialCollateralPercentageValue

1.02

CY2017Q4

antm

Self Funded Receivables Gross

SelfFundedReceivablesGross

2579700000

USD

CY2018Q1

antm

Self Funded Receivables Gross

SelfFundedReceivablesGross

2458500000

USD

CY2017Q1

antm

Stock Repurchased And Retired During Period Average Price

StockRepurchasedAndRetiredDuringPeriodAveragePrice

160.81

CY2018Q1

antm

Stock Repurchased And Retired During Period Average Price

StockRepurchasedAndRetiredDuringPeriodAveragePrice

233.51

CY2018Q1

dei

Amendment Flag

AmendmentFlag

false

CY2018Q1

dei

Current Fiscal Year End Date

CurrentFiscalYearEndDate

--12-31

CY2018Q1

dei

Document Fiscal Period Focus

DocumentFiscalPeriodFocus

Q1

CY2018Q1

dei

Document Fiscal Year Focus

DocumentFiscalYearFocus

2018

CY2018Q1

dei

Document Period End Date

DocumentPeriodEndDate

2018-03-31

CY2018Q1

dei

Document Type

DocumentType

10-Q

CY2018Q1

dei

Entity Central Index Key

EntityCentralIndexKey

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CY2018Q1

dei

Entity Common Stock Shares Outstanding

EntityCommonStockSharesOutstanding

255544728

shares

CY2018Q2

dei

Entity Common Stock Shares Outstanding

EntityCommonStockSharesOutstanding

255199261

shares

CY2018Q1

dei

Entity Filer Category

EntityFilerCategory

Large Accelerated Filer

CY2018Q1

dei

Entity Registrant Name

EntityRegistrantName

Anthem, Inc.

CY2018Q1

dei

Trading Symbol

TradingSymbol

ANTM

CY2017Q4

invest

Derivative Notional Amount

DerivativeNotionalAmount

2048100000

USD

CY2018Q1

invest

Derivative Notional Amount

DerivativeNotionalAmount

1517500000

USD

CY2017Q4

us-gaap

Accounts Payable And Accrued Liabilities Current

AccountsPayableAndAccruedLiabilitiesCurrent

5024400000

USD

CY2018Q1

us-gaap

Accounts Payable And Accrued Liabilities Current

AccountsPayableAndAccruedLiabilitiesCurrent

5816700000

USD

CY2017Q4

us-gaap

Accrued Income Taxes Current

AccruedIncomeTaxesCurrent

0

USD

CY2018Q1

us-gaap

Accrued Income Taxes Current

AccruedIncomeTaxesCurrent

194900000

USD

CY2017Q4

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Accrued Investment Income Receivable

AccruedInvestmentIncomeReceivable

162500000

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CY2018Q1

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Accrued Investment Income Receivable

AccruedInvestmentIncomeReceivable

160200000

USD

CY2017Q1

us-gaap

Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax

AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

441400000

USD

CY2018Q1

us-gaap

Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax

AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

14000000

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CY2017Q1

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Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax

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CY2018Q1

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Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax

AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax

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CY2017Q1

us-gaap

Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax

AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

53300000

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CY2018Q1

us-gaap

Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax

AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

25000000

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CY2017Q1

us-gaap

Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax

AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

-2700000

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CY2018Q1

us-gaap

Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax

AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

-900000

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CY2017Q1

us-gaap

Accumulated Other Comprehensive Income Loss Net Of Tax

AccumulatedOtherComprehensiveIncomeLossNetOfTax

-161800000

USD

CY2017Q4

us-gaap

Accumulated Other Comprehensive Income Loss Net Of Tax

AccumulatedOtherComprehensiveIncomeLossNetOfTax

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USD

CY2018Q1

us-gaap

Accumulated Other Comprehensive Income Loss Net Of Tax

AccumulatedOtherComprehensiveIncomeLossNetOfTax

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USD

CY2017Q1

us-gaap

Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities

AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities

1500000

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CY2018Q1

us-gaap

Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities

AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities

0

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CY2017Q1

us-gaap

Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Debt Securities

AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities

1000000

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CY2018Q1

us-gaap

Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Debt Securities

AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities

0

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CY2017Q4

us-gaap

Additional Paid In Capital

AdditionalPaidInCapital

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USD

CY2018Q1

us-gaap

Additional Paid In Capital

AdditionalPaidInCapital

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USD

CY2017Q1

us-gaap

Adjustment For Amortization

AdjustmentForAmortization

193400000

USD

CY2018Q1

us-gaap

Adjustment For Amortization

AdjustmentForAmortization

239700000

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CY2017Q1

us-gaap

Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Subsequent Adjustments

AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments

-1100000

USD

CY2018Q1

us-gaap

Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Subsequent Adjustments

AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments

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USD

CY2017Q4

us-gaap

Allowance For Doubtful Accounts Premiums And Other Receivables

AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables

455300000

USD

CY2018Q1

us-gaap

Allowance For Doubtful Accounts Premiums And Other Receivables

AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables

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USD

CY2017Q1

us-gaap

Amortization Of Intangible Assets

AmortizationOfIntangibleAssets

41800000

USD

CY2018Q1

us-gaap

Amortization Of Intangible Assets

AmortizationOfIntangibleAssets

79500000

USD

CY2017

us-gaap

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

400000

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CY2018Q1

us-gaap

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

300000

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CY2017Q4

us-gaap

Assets

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CY2018Q1

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Assets

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CY2017Q4

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Assets Current

AssetsCurrent

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CY2018Q1

us-gaap

Assets Current

AssetsCurrent

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CY2017Q4

us-gaap

Assets Fair Value Disclosure Recurring

AssetsFairValueDisclosureRecurring

24001900000

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CY2018Q1

us-gaap

Assets Fair Value Disclosure Recurring

AssetsFairValueDisclosureRecurring

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CY2017Q4

us-gaap

Available For Sale Debt Securities Amortized Cost Basis

AvailableForSaleDebtSecuritiesAmortizedCostBasis

17054500000

USD

CY2018Q1

us-gaap

Available For Sale Debt Securities Amortized Cost Basis

AvailableForSaleDebtSecuritiesAmortizedCostBasis

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USD

CY2017Q1

us-gaap

Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax

AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

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CY2018Q1

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Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax

AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

239100000

USD

CY2017Q1

us-gaap

Available For Sale Securities Accumulated Gross Unrealized Gain Loss Before Tax

AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax

686700000

USD

CY2018Q1

us-gaap

Available For Sale Securities Accumulated Gross Unrealized Gain Loss Before Tax

AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax

18700000

USD

CY2017Q1

us-gaap

Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax

AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

124300000

USD

CY2018Q1

us-gaap

Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax

AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

220400000

USD

CY2017Q4

us-gaap

Available For Sale Securities Debt Securities Current

AvailableForSaleSecuritiesDebtSecuritiesCurrent

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USD

CY2018Q1

us-gaap

Available For Sale Securities Debt Securities Current

AvailableForSaleSecuritiesDebtSecuritiesCurrent

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USD

CY2017Q4

us-gaap

Available For Sale Securities Debt Securities Noncurrent

AvailableForSaleSecuritiesDebtSecuritiesNoncurrent

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USD

CY2018Q1

us-gaap

Available For Sale Securities Debt Securities Noncurrent

AvailableForSaleSecuritiesDebtSecuritiesNoncurrent

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USD

CY2017Q1

us-gaap

Available For Sale Securities Gross Realized Gains

AvailableForSaleSecuritiesGrossRealizedGains

45500000

USD

CY2018Q1

us-gaap

Available For Sale Securities Gross Realized Gains

AvailableForSaleSecuritiesGrossRealizedGains

29700000

USD

CY2017Q1

us-gaap

Available For Sale Securities Gross Realized Losses

AvailableForSaleSecuritiesGrossRealizedLosses

23700000

USD

CY2018Q1

us-gaap

Available For Sale Securities Gross Realized Losses

AvailableForSaleSecuritiesGrossRealizedLosses

36400000

USD

CY2017Q1

us-gaap

Available For Sale Securities Income Tax Expense On Change In Unrealized Holding Gain Or Loss

AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss

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CY2018Q1

us-gaap

Available For Sale Securities Income Tax Expense On Change In Unrealized Holding Gain Or Loss

AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss

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CY2017Q1

us-gaap

Benefits Losses And Expenses

BenefitsLossesAndExpenses

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USD

CY2018Q1

us-gaap

Benefits Losses And Expenses

BenefitsLossesAndExpenses

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CY2016Q4

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

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USD

CY2017Q1

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

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CY2017Q4

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

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USD

CY2018Q1

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Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

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CY2017Q4

us-gaap

Cash And Cash Equivalents Fair Value Disclosure

CashAndCashEquivalentsFairValueDisclosure

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CY2018Q1

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Cash And Cash Equivalents Fair Value Disclosure

CashAndCashEquivalentsFairValueDisclosure

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CY2017Q1

us-gaap

Cash And Cash Equivalents Period Increase Decrease

CashAndCashEquivalentsPeriodIncreaseDecrease

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USD

CY2018Q1

us-gaap

Cash And Cash Equivalents Period Increase Decrease

CashAndCashEquivalentsPeriodIncreaseDecrease

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CY2016Q4

us-gaap

Ceded Premiums Payable

CededPremiumsPayable

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USD

CY2017Q1

us-gaap

Ceded Premiums Payable

CededPremiumsPayable

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USD

CY2017Q4

us-gaap

Ceded Premiums Payable

CededPremiumsPayable

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CY2018Q1

us-gaap

Ceded Premiums Payable

CededPremiumsPayable

34500000

USD

CY2017Q4

us-gaap

Commitments And Contingencies

CommitmentsAndContingencies

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CY2018Q1

us-gaap

Commitments And Contingencies

CommitmentsAndContingencies

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CY2017Q1

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Common Stock Dividends Per Share Cash Paid

CommonStockDividendsPerShareCashPaid

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CY2018Q1

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Common Stock Dividends Per Share Cash Paid

CommonStockDividendsPerShareCashPaid

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CY2017Q4

us-gaap

Derivative Liability Collateral Right To Reclaim Cash Offset

DerivativeLiabilityCollateralRightToReclaimCashOffset

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CY2017Q4

us-gaap

Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral

DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral

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CY2018Q1

us-gaap

Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral

DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral

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USD

CY2017Q4

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Derivative Fair Value Of Derivative Liability

DerivativeFairValueOfDerivativeLiability

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CY2018Q1

us-gaap

Derivative Fair Value Of Derivative Liability

DerivativeFairValueOfDerivativeLiability

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CY2017Q4

us-gaap

Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral

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19900000

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CY2017Q1

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Common Stock Dividends Per Share Declared

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CY2018Q1

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Common Stock Dividends Per Share Declared

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CY2017Q4

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Common Stock Par Or Stated Value Per Share

CommonStockParOrStatedValuePerShare

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CY2018Q1

us-gaap

Common Stock Par Or Stated Value Per Share

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CY2017Q4

us-gaap

Common Stock Shares Authorized

CommonStockSharesAuthorized

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CY2018Q1

us-gaap

Common Stock Shares Authorized

CommonStockSharesAuthorized

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CY2017Q4

us-gaap

Common Stock Shares Issued

CommonStockSharesIssued

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CY2018Q1

us-gaap

Common Stock Shares Issued

CommonStockSharesIssued

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CY2017Q4

us-gaap

Common Stock Shares Outstanding

CommonStockSharesOutstanding

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CY2018Q1

us-gaap

Common Stock Shares Outstanding

CommonStockSharesOutstanding

255544728

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CY2017Q4

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Common Stock Value

CommonStockValue

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CY2018Q1

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Common Stock Value

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CY2017Q1

us-gaap

Comprehensive Income Net Of Tax

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CY2018Q1

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Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

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CY2018Q1

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Cumulative Effect Of New Accounting Principle In Period Of Adoption

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CY2017Q1

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CY2018Q1

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Deferred Income Tax Expense Benefit

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CY2017Q1

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Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits

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CY2018Q1

us-gaap

Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits

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CY2017Q1

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Deferred Tax Assets Unrealized Currency Losses

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CY2018Q1

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Deferred Tax Assets Unrealized Currency Losses

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CY2017Q4

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Deferred Tax Liabilities Noncurrent

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CY2018Q1

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Deferred Tax Liabilities Noncurrent

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CY2017Q1

us-gaap

Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax

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Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax

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Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax

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CY2018Q1

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Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax

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Deposits Received For Securities Loaned At Carrying Value

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CY2018Q1

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Deposits Received For Securities Loaned At Carrying Value

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CY2017Q1

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CY2018Q1

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Depreciation

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Derivative Asset Fair Value Gross Liability

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CY2018Q1

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Derivative Asset Fair Value Gross Liability

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Derivative Fair Value Of Derivative Asset

DerivativeFairValueOfDerivativeAsset

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CY2018Q1

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Derivative Fair Value Of Derivative Asset

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Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral

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Derivative Gain Loss On Derivative Net

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Derivative Gain Loss On Derivative Net

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CY2018Q1

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Derivative Liability Collateral Right To Reclaim Cash Offset

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CY2018Q1

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Dividend Payable Date To Be Paid Day Month And Year

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CY2018Q1

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Dividends Common Stock

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CY2017Q1

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Dividends Payable Date Declared Day Month And Year

DividendsPayableDateDeclaredDayMonthAndYear

2018-01-30

CY2017Q1

us-gaap

Dividends Payable Date Of Record Day Month And Year

DividendsPayableDateOfRecordDayMonthAndYear

2017-03-10

CY2018Q1

us-gaap

Dividends Payable Date Of Record Day Month And Year

DividendsPayableDateOfRecordDayMonthAndYear

2018-03-09

CY2017Q1

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

3.82

CY2018Q1

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

5.13

CY2017Q1

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

3.73

CY2018Q1

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

4.99

CY2017Q1

us-gaap

Effect Of Exchange Rate On Cash And Cash Equivalents

EffectOfExchangeRateOnCashAndCashEquivalents

1600000

USD

CY2018Q1

us-gaap

Effect Of Exchange Rate On Cash And Cash Equivalents

EffectOfExchangeRateOnCashAndCashEquivalents

400000

USD

CY2017Q1

us-gaap

Effective Income Tax Rate Continuing Operations

EffectiveIncomeTaxRateContinuingOperations

0.333

CY2018Q1

us-gaap

Effective Income Tax Rate Continuing Operations

EffectiveIncomeTaxRateContinuingOperations

0.263

CY2017Q1

us-gaap

Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss

FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

-1700000

USD

CY2018Q1

us-gaap

Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss

FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

-500000

USD

CY2017Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

-1000000

USD

CY2018Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

-239000000

USD

CY2017Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss

3300000

USD

CY2018Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss

400000

USD

CY2017Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases

81800000

USD

CY2018Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases

275600000

USD

CY2017Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales

34500000

USD

CY2018Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales

4500000

USD

CY2017Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements

20200000

USD

CY2018Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements

7100000

USD

CY2017Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3

9500000

USD

CY2018Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3

20800000

USD

CY2017Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3

31200000

USD

CY2018Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3

1400000

USD

CY2016Q4

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

481400000

USD

CY2017Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

489100000

USD

CY2017Q4

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

537500000

USD

CY2018Q1

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

582300000

USD

CY2017Q1

us-gaap

Gain Loss On Sale Of Property Plant Equipment

GainLossOnSaleOfPropertyPlantEquipment

-700000

USD

CY2018Q1

us-gaap

Gain Loss On Sale Of Property Plant Equipment

GainLossOnSaleOfPropertyPlantEquipment

0

USD

CY2017Q1

us-gaap

Gains Losses On Extinguishment Of Debt

GainsLossesOnExtinguishmentOfDebt

0

USD

CY2018Q1

us-gaap

Gains Losses On Extinguishment Of Debt

GainsLossesOnExtinguishmentOfDebt

-19100000

USD

CY2017Q1

us-gaap

General And Administrative Expense

GeneralAndAdministrativeExpense

2842700000

USD

CY2018Q1

us-gaap

General And Administrative Expense

GeneralAndAdministrativeExpense

3110300000

USD

CY2017Q4

us-gaap

Goodwill

19231200000

USD

CY2018Q1

us-gaap

Goodwill

20185500000

USD

CY2017Q1

us-gaap

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

1515000000

USD

CY2018Q1

us-gaap

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

1780300000

USD

CY2017Q1

us-gaap

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

1515000000

USD

CY2018Q1

us-gaap

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

1780300000

USD

CY2017Q1

us-gaap

Income Tax Expense Benefit

IncomeTaxExpenseBenefit

505100000

USD

CY2018Q1

us-gaap

Income Tax Expense Benefit

IncomeTaxExpenseBenefit

467800000

USD

CY2018Q1

us-gaap

Income Tax Reconciliation Nondeductible Expense

IncomeTaxReconciliationNondeductibleExpense

83400000

USD

CY2017Q4

us-gaap

Income Taxes Receivable

IncomeTaxesReceivable

341900000

USD

CY2018Q1

us-gaap

Income Taxes Receivable

IncomeTaxesReceivable

0

USD

CY2017Q1

us-gaap

Increase Decrease In Accounts Payable And Accrued Liabilities

IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

-223800000

USD

CY2018Q1

us-gaap

Increase Decrease In Accounts Payable And Accrued Liabilities

IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

-300400000

USD

CY2017Q1

us-gaap

Increase Decrease In Collateral Held Under Securities Lending

IncreaseDecreaseInCollateralHeldUnderSecuritiesLending

154500000

USD

CY2018Q1

us-gaap

Increase Decrease In Collateral Held Under Securities Lending

IncreaseDecreaseInCollateralHeldUnderSecuritiesLending

157400000

USD

CY2017Q1

us-gaap

Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable

IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable

659700000

USD

CY2018Q1

us-gaap

Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable

IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable

536800000

USD

CY2017Q1

us-gaap

Increase Decrease In Insurance Liabilities

IncreaseDecreaseInInsuranceLiabilities

130100000

USD

CY2018Q1

us-gaap

Increase Decrease In Insurance Liabilities

IncreaseDecreaseInInsuranceLiabilities

-560800000

USD

CY2017Q1

us-gaap

Increase Decrease In Other Operating Assets

IncreaseDecreaseInOtherOperatingAssets

205200000

USD

CY2018Q1

us-gaap

Increase Decrease In Other Operating Assets

IncreaseDecreaseInOtherOperatingAssets

391800000

USD

CY2017Q1

us-gaap

Increase Decrease In Other Operating Capital Net

IncreaseDecreaseInOtherOperatingCapitalNet

46200000

USD

CY2018Q1

us-gaap

Increase Decrease In Other Operating Capital Net

IncreaseDecreaseInOtherOperatingCapitalNet

54400000

USD

CY2017Q1

us-gaap

Increase Decrease In Other Operating Liabilities

IncreaseDecreaseInOtherOperatingLiabilities

40300000

USD

CY2018Q1

us-gaap

Increase Decrease In Other Operating Liabilities

IncreaseDecreaseInOtherOperatingLiabilities

147400000

USD

CY2017Q1

us-gaap

Increase Decrease In Outstanding Checks Financing Activities

IncreaseDecreaseInOutstandingChecksFinancingActivities

-168900000

USD

CY2018Q1

us-gaap

Increase Decrease In Outstanding Checks Financing Activities

IncreaseDecreaseInOutstandingChecksFinancingActivities

-124400000

USD

CY2017Q1

us-gaap

Increase Decrease In Receivables

IncreaseDecreaseInReceivables

-276300000

USD

CY2018Q1

us-gaap

Increase Decrease In Receivables

IncreaseDecreaseInReceivables

-36700000

USD

CY2017Q1

us-gaap

Increase Decrease In Securities Lending Payable

IncreaseDecreaseInSecuritiesLendingPayable

154500000

USD

CY2018Q1

us-gaap

Increase Decrease In Securities Lending Payable

IncreaseDecreaseInSecuritiesLendingPayable

157400000

USD

CY2017Q1

us-gaap

Increase Decrease In Trading Securities

IncreaseDecreaseInTradingSecurities

14800000

USD

CY2018Q1

us-gaap

Increase Decrease In Trading Securities

IncreaseDecreaseInTradingSecurities

6800000

USD

CY2017Q1

us-gaap

Increase Decrease In Unearned Premiums

IncreaseDecreaseInUnearnedPremiums

954200000

USD

CY2018Q1

us-gaap

Increase Decrease In Unearned Premiums

IncreaseDecreaseInUnearnedPremiums

1182200000

USD

CY2017Q1

us-gaap

Insurance Services Revenue

InsuranceServicesRevenue

22319500000

USD

CY2018Q1

us-gaap

Insurance Services Revenue

InsuranceServicesRevenue

22342300000

USD

CY2017Q4

us-gaap

Intangible Assets Net Excluding Goodwill

IntangibleAssetsNetExcludingGoodwill

8368400000

USD

CY2018Q1

us-gaap

Intangible Assets Net Excluding Goodwill

IntangibleAssetsNetExcludingGoodwill

9076000000

USD

CY2017Q1

us-gaap

Interest Expense

InterestExpense

235000000

USD

CY2018Q1

us-gaap

Interest Expense

InterestExpense

184200000

USD

CY2017Q4

us-gaap

Liabilities

44037100000

USD

CY2018Q1

us-gaap

Liabilities

46288000000

USD

CY2017Q4

us-gaap

Liabilities And Stockholders Equity

LiabilitiesAndStockholdersEquity

70540000000

USD

CY2018Q1

us-gaap

Liabilities And Stockholders Equity

LiabilitiesAndStockholdersEquity

73300400000

USD

CY2017Q4

us-gaap

Liabilities Current

LiabilitiesCurrent

23356000000

USD

CY2018Q1

us-gaap

Liabilities Current

LiabilitiesCurrent

24755900000

USD

CY2017Q4

us-gaap

Liabilities Fair Value Disclosure Recurring

LiabilitiesFairValueDisclosureRecurring

21500000

USD

CY2018Q1

us-gaap

Liabilities Fair Value Disclosure Recurring

LiabilitiesFairValueDisclosureRecurring

24600000

USD

CY2016Q4

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

7892600000

USD

CY2017Q1

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

7920600000

USD

CY2017Q4

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

7991500000

USD

CY2018Q1

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

7640300000

USD

CY2017Q4

us-gaap

Liability For Future Policy Benefits

LiabilityForFuturePolicyBenefits

647300000

USD

CY2018Q1

us-gaap

Liability For Future Policy Benefits

LiabilityForFuturePolicyBenefits

666800000

USD

CY2017Q4

us-gaap

Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense

LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense

11011700000

USD

CY2018Q1

us-gaap

Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense

LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense

10630600000

USD

CY2017Q1

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

11772200000

USD

CY2018Q1

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

11478800000

USD

CY2017Q1

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

5288900000

USD

CY2018Q1

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

5627100000

USD

CY2017Q1

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1

17173900000

USD

CY2018Q1

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1

16625900000

USD

CY2016Q4

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Net

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

7353500000

USD

CY2017Q1

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Net

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

7466300000

USD

CY2017Q4

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Net

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

7886600000

USD

CY2018Q1

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Net

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

7605800000

USD

CY2018Q1

us-gaap

Litigation Settlement Amount Awarded To Other Party

LitigationSettlementAmountAwardedToOtherParty

115000000

USD

CY2017Q4

us-gaap

Long Term Debt Current

LongTermDebtCurrent

1274600000

USD

CY2018Q1

us-gaap

Long Term Debt Current

LongTermDebtCurrent

650800000

USD

CY2017Q4

us-gaap

Long Term Debt Noncurrent

LongTermDebtNoncurrent

17382200000

USD

CY2018Q1

us-gaap

Long Term Debt Noncurrent

LongTermDebtNoncurrent

18110100000

USD

CY2017Q1

us-gaap

Net Cash Provided By Used In Financing Activities

NetCashProvidedByUsedInFinancingActivities

1234300000

USD

CY2018Q1

us-gaap

Net Cash Provided By Used In Financing Activities

NetCashProvidedByUsedInFinancingActivities

-627700000

USD

CY2017Q1

us-gaap

Net Cash Provided By Used In Investing Activities

NetCashProvidedByUsedInInvestingActivities

-1227000000

USD

CY2018Q1

us-gaap

Net Cash Provided By Used In Investing Activities

NetCashProvidedByUsedInInvestingActivities

-565900000

USD

CY2017Q1

us-gaap

Net Cash Provided By Used In Operating Activities

NetCashProvidedByUsedInOperatingActivities

2688200000

USD

CY2018Q1

us-gaap

Net Cash Provided By Used In Operating Activities

NetCashProvidedByUsedInOperatingActivities

2214900000

USD

CY2017Q1

us-gaap

Net Income Loss

NetIncomeLoss

1009900000

USD

CY2018Q1

us-gaap

Net Income Loss

NetIncomeLoss

1312500000

USD

CY2017Q1

us-gaap

Net Investment Income

NetInvestmentIncome

207200000

USD

CY2018Q1

us-gaap

Net Investment Income

NetInvestmentIncome

229200000

USD

CY2018Q1

us-gaap

Number Of Reportable Segments

NumberOfReportableSegments

3

segment

CY2018Q1

us-gaap

Number Of States In Which Entity Operates

NumberOfStatesInWhichEntityOperates

50

states

CY2017Q1

us-gaap

Operating Income Loss

OperatingIncomeLoss

1585400000

USD

CY2018Q1

us-gaap

Operating Income Loss

OperatingIncomeLoss

1867900000

USD

CY2017Q4

us-gaap

Other Assets Current

OtherAssetsCurrent

2249300000

USD

CY2018Q1

us-gaap

Other Assets Current

OtherAssetsCurrent

3552300000

USD

CY2017Q4

us-gaap

Other Assets Noncurrent

OtherAssetsNoncurrent

565300000

USD

CY2018Q1

us-gaap

Other Assets Noncurrent

OtherAssetsNoncurrent

832000000

USD

CY2017Q1

us-gaap

Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax

OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

94200000

USD

CY2018Q1

us-gaap

Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax

OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

-256200000

USD

CY2017Q1

us-gaap

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

1400000

USD

CY2018Q1

us-gaap

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

400000

USD

CY2017Q1

us-gaap

Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax

OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax

-700000

USD

CY2018Q1

us-gaap

Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax

OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax

-200000

USD

CY2017Q1

us-gaap

Other Comprehensive Income Loss Net Of Tax

OtherComprehensiveIncomeLossNetOfTax

106100000

USD

CY2018Q1

us-gaap

Other Comprehensive Income Loss Net Of Tax

OtherComprehensiveIncomeLossNetOfTax

-207600000

USD

CY2017Q1

us-gaap

Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent

OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

106100000

USD

CY2018Q1

us-gaap

Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent

OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

-207600000

USD

CY2017Q1

us-gaap

Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax

OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

-3900000

USD

CY2018Q1

us-gaap

Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax

OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

-7700000

USD

CY2017Q1

us-gaap

Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax

OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

14000000

USD

CY2018Q1

us-gaap

Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax

OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

-11500000

USD

CY2017Q1

us-gaap

Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax

OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

-7500000

USD

CY2018Q1

us-gaap

Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax

OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

3100000

USD

CY2017Q1

us-gaap

Other Comprehensive Income Loss Tax

OtherComprehensiveIncomeLossTax

-46600000

USD

CY2018Q1

us-gaap

Other Comprehensive Income Loss Tax

OtherComprehensiveIncomeLossTax

63300000

USD

CY2017Q1

us-gaap

Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax

OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax

17000000

USD

CY2018Q1

us-gaap

Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax

OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax

28800000

USD

CY2017Q1

us-gaap

Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax

OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax

-2700000

USD

CY2018Q1

us-gaap

Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax

OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax

-7800000

USD

CY2017Q1

us-gaap

Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax

OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

80200000

USD

CY2018Q1

us-gaap

Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax

OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

-244700000

USD

CY2017Q1

us-gaap

Other Income

OtherIncome

5000000

USD

CY2018Q1

us-gaap

Other Income

OtherIncome

30700000

USD

CY2017Q4

us-gaap

Other Liabilities Current

OtherLiabilitiesCurrent

3343000000

USD

CY2018Q1

us-gaap

Other Liabilities Current

OtherLiabilitiesCurrent

3475500000

USD

CY2017Q4

us-gaap

Other Liabilities Noncurrent

OtherLiabilitiesNoncurrent

925100000

USD

CY2018Q1

us-gaap

Other Liabilities Noncurrent

OtherLiabilitiesNoncurrent

942300000

USD

CY2017Q4

us-gaap

Other Long Term Investments

OtherLongTermInvestments

3343800000

USD

CY2018Q1

us-gaap

Other Long Term Investments

OtherLongTermInvestments

3460800000

USD

CY2017Q4

us-gaap

Other Policyholder Funds

OtherPolicyholderFunds

2950300000

USD

CY2018Q1

us-gaap

Other Policyholder Funds

OtherPolicyholderFunds

2918800000

USD

CY2017Q4

us-gaap

Other Receivables

OtherReceivables

2266500000

USD

CY2018Q1

us-gaap

Other Receivables

OtherReceivables

2305200000

USD

CY2017Q4

us-gaap

Other Short Term Investments

OtherShortTermInvestments

17200000

USD

CY2018Q1

us-gaap

Other Short Term Investments

OtherShortTermInvestments

24300000

USD

CY2017Q1

us-gaap

Other Than Temporary Impairment Credit Losses Recognized In Earnings Period Increase Decrease

OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsPeriodIncreaseDecrease

-3600000

USD

CY2018Q1

us-gaap

Other Than Temporary Impairment Credit Losses Recognized In Earnings Period Increase Decrease

OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsPeriodIncreaseDecrease

-200000

USD

CY2017Q1

us-gaap

Other Than Temporary Impairment Losses Investments Availableforsale Securities

OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities

9600000

USD

CY2018Q1

us-gaap

Other Than Temporary Impairment Losses Investments Availableforsale Securities

OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities

7900000

USD

CY2017Q1

us-gaap

Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities

OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities

-1500000

USD

CY2018Q1

us-gaap

Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities

OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities

0

USD

CY2017Q1

us-gaap

Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Availableforsale Securities

OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAvailableforsaleSecurities

-3600000

USD

CY2018Q1

us-gaap

Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Availableforsale Securities

OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAvailableforsaleSecurities

-200000

USD

CY2017Q1

us-gaap

Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities

OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities

-2100000

USD

CY2018Q1

us-gaap

Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities

OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities

-100000

USD

CY2017Q1

us-gaap

Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net

OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet

8100000

USD

CY2018Q1

us-gaap

Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net

OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet

7900000

USD

CY2017Q4

us-gaap

Payables To Broker Dealers And Clearing Organizations

PayablesToBrokerDealersAndClearingOrganizations

112600000

USD

CY2018Q1

us-gaap

Payables To Broker Dealers And Clearing Organizations

PayablesToBrokerDealersAndClearingOrganizations

134700000

USD

CY2017Q1

us-gaap

Payments For Losses And Loss Adjustment Expense

PaymentsForLossesAndLossAdjustmentExpense

17061100000

USD

CY2018Q1

us-gaap

Payments For Losses And Loss Adjustment Expense

PaymentsForLossesAndLossAdjustmentExpense

17105900000

USD

CY2017Q1

us-gaap

Payments For Proceeds From Derivative Instrument Investing Activities

PaymentsForProceedsFromDerivativeInstrumentInvestingActivities

-400000

USD

CY2018Q1

us-gaap

Payments For Proceeds From Derivative Instrument Investing Activities

PaymentsForProceedsFromDerivativeInstrumentInvestingActivities

0

USD

CY2017Q1

us-gaap

Payments For Proceeds From Other Investing Activities

PaymentsForProceedsFromOtherInvestingActivities

-11800000

USD

CY2018Q1

us-gaap

Payments For Proceeds From Other Investing Activities

PaymentsForProceedsFromOtherInvestingActivities

-3600000

USD

CY2017Q1

us-gaap

Payments For Repurchase Of Common Stock

PaymentsForRepurchaseOfCommonStock

50700000

USD

CY2018Q1

us-gaap

Payments For Repurchase Of Common Stock

PaymentsForRepurchaseOfCommonStock

394700000

USD

CY2017Q1

us-gaap

Payments Of Dividends

PaymentsOfDividends

172200000

USD

CY2018Q1

us-gaap

Payments Of Dividends

PaymentsOfDividends

191900000

USD

CY2017Q1

us-gaap

Payments Related To Tax Withholding For Share Based Compensation

PaymentsRelatedToTaxWithholdingForShareBasedCompensation

41900000

USD

CY2018Q1

us-gaap

Payments Related To Tax Withholding For Share Based Compensation

PaymentsRelatedToTaxWithholdingForShareBasedCompensation

73200000

USD

CY2017Q1

us-gaap

Payments To Acquire Available For Sale Securities Debt

PaymentsToAcquireAvailableForSaleSecuritiesDebt

4030100000

USD

CY2017Q4

us-gaap

Preferred Stock Value

PreferredStockValue

0

USD

CY2018Q1

us-gaap

Payments To Acquire Available For Sale Securities Debt

PaymentsToAcquireAvailableForSaleSecuritiesDebt

2235400000

USD

CY2017Q1

us-gaap

Payments To Acquire Businesses Net Of Cash Acquired

PaymentsToAcquireBusinessesNetOfCashAcquired

0

USD

CY2018Q1

us-gaap

Payments To Acquire Businesses Net Of Cash Acquired

PaymentsToAcquireBusinessesNetOfCashAcquired

1346100000

USD

CY2017Q1

us-gaap

Payments To Acquire Other Investments

PaymentsToAcquireOtherInvestments

73700000

USD

CY2018Q1

us-gaap

Payments To Acquire Other Investments

PaymentsToAcquireOtherInvestments

72300000

USD

CY2017Q1

us-gaap

Payments To Acquire Property Plant And Equipment

PaymentsToAcquirePropertyPlantAndEquipment

127900000

USD

CY2018Q1

us-gaap

Payments To Acquire Property Plant And Equipment

PaymentsToAcquirePropertyPlantAndEquipment

218200000

USD

CY2017Q1

us-gaap

Policyholder Benefits And Claims Incurred Net

PolicyholderBenefitsAndClaimsIncurredNet

17542800000

USD

CY2018Q1

us-gaap

Policyholder Benefits And Claims Incurred Net

PolicyholderBenefitsAndClaimsIncurredNet

17045900000

USD

CY2017Q4

us-gaap

Preferred Stock Par Or Stated Value Per Share

PreferredStockParOrStatedValuePerShare

0

CY2018Q1

us-gaap

Preferred Stock Par Or Stated Value Per Share

PreferredStockParOrStatedValuePerShare

0

CY2017Q4

us-gaap

Preferred Stock Shares Authorized

PreferredStockSharesAuthorized

100000000

shares

CY2018Q1

us-gaap

Preferred Stock Shares Authorized

PreferredStockSharesAuthorized

100000000

shares

CY2017Q4

us-gaap

Preferred Stock Shares Issued

PreferredStockSharesIssued

0

shares

CY2018Q1

us-gaap

Preferred Stock Shares Issued

PreferredStockSharesIssued

0

shares

CY2017Q4

us-gaap

Preferred Stock Shares Outstanding

PreferredStockSharesOutstanding

0

shares

CY2018Q1

us-gaap

Preferred Stock Shares Outstanding

PreferredStockSharesOutstanding

0

shares

CY2018Q1

us-gaap

Preferred Stock Value

PreferredStockValue

0

USD

CY2017Q4

us-gaap

Premiums And Other Receivables Net

PremiumsAndOtherReceivablesNet

6184900000

USD

CY2018Q1

us-gaap

Premiums And Other Receivables Net

PremiumsAndOtherReceivablesNet

6255900000

USD

CY2017Q1

us-gaap

Premiums Earned Net

PremiumsEarnedNet

20951300000

USD

CY2018Q1

us-gaap

Premiums Earned Net

PremiumsEarnedNet

20902800000

USD

CY2017Q4

us-gaap

Premiums Receivable Gross

PremiumsReceivableGross

3605200000

USD

CY2018Q1

us-gaap

Premiums Receivable Gross

PremiumsReceivableGross

3797400000

USD

CY2017Q1

us-gaap

Proceeds From Hedge Financing Activities

ProceedsFromHedgeFinancingActivities

0

USD

CY2018Q1

us-gaap

Proceeds From Hedge Financing Activities

ProceedsFromHedgeFinancingActivities

300000

USD

CY2017Q1

us-gaap

Proceeds From Issuance Of Long Term Debt

ProceedsFromIssuanceOfLongTermDebt

0

USD

CY2018Q1

us-gaap

Proceeds From Issuance Of Long Term Debt

ProceedsFromIssuanceOfLongTermDebt

836000000

USD

CY2017Q1

us-gaap

Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities

ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

522700000

USD

CY2018Q1

us-gaap

Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities

ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

362900000

USD

CY2017Q1

us-gaap

Proceeds From Repayments Of Commercial Paper

ProceedsFromRepaymentsOfCommercialPaper

1719100000

USD

CY2018Q1

us-gaap

Proceeds From Repayments Of Commercial Paper

ProceedsFromRepaymentsOfCommercialPaper

-108000000

USD

CY2017Q1

us-gaap

Proceeds From Sale And Maturity Of Other Investments

ProceedsFromSaleAndMaturityOfOtherInvestments

76500000

USD

CY2018Q1

us-gaap

Proceeds From Sale And Maturity Of Other Investments

ProceedsFromSaleAndMaturityOfOtherInvestments

23100000

USD

CY2017Q1

us-gaap

Proceeds From Sale Of Available For Sale Securities

ProceedsFromSaleOfAvailableForSaleSecurities

3374500000

USD

CY2018Q1

us-gaap

Proceeds From Sale Of Available For Sale Securities

ProceedsFromSaleOfAvailableForSaleSecurities

2227300000

USD

CY2017Q1

us-gaap

Proceeds From Sale Of Available For Sale Securities Debt

ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

2851800000

USD

CY2018Q1

us-gaap

Proceeds From Sale Of Available For Sale Securities Debt

ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

1864400000

USD

CY2017Q1

us-gaap

Proceeds From Short Term Debt

ProceedsFromShortTermDebt

1170000000

USD

CY2018Q1

us-gaap

Proceeds From Short Term Debt

ProceedsFromShortTermDebt

1505000000

USD

CY2017Q1

us-gaap

Proceeds From Stock Options Exercised

ProceedsFromStockOptionsExercised

103500000

USD

CY2018Q1

us-gaap

Proceeds From Stock Options Exercised

ProceedsFromStockOptionsExercised

59400000

USD

CY2017Q4

us-gaap

Property Plant And Equipment Net

PropertyPlantAndEquipmentNet

2174900000

USD

CY2018Q1

us-gaap

Property Plant And Equipment Net

PropertyPlantAndEquipmentNet

2237600000

USD

CY2017Q1

us-gaap

Repayments Of Long Term Debt

RepaymentsOfLongTermDebt

401100000

USD

CY2018Q1

us-gaap

Repayments Of Long Term Debt

RepaymentsOfLongTermDebt

662700000

USD

CY2017Q1

us-gaap

Repayments Of Short Term Debt

RepaymentsOfShortTermDebt

1070000000

USD

CY2018Q1

us-gaap

Repayments Of Short Term Debt

RepaymentsOfShortTermDebt

1655000000

USD

CY2017Q4

us-gaap

Restricted Cash And Investments Current

RestrictedCashAndInvestmentsCurrent

182300000

USD

CY2018Q1

us-gaap

Restricted Cash And Investments Current

RestrictedCashAndInvestmentsCurrent

230500000

USD

CY2017Q4

us-gaap

Retained Earnings Accumulated Deficit

RetainedEarningsAccumulatedDeficit

18054400000

USD

CY2018Q1

us-gaap

Retained Earnings Accumulated Deficit

RetainedEarningsAccumulatedDeficit

19241100000

USD

CY2017Q1

us-gaap

Revenues

22525900000

USD

CY2018Q1

us-gaap

Revenues

22537500000

USD

CY2017Q1

us-gaap

Sales Revenue Services Net

SalesRevenueServicesNet

1363200000

USD

CY2018Q1

us-gaap

Sales Revenue Services Net

SalesRevenueServicesNet

1408800000

USD

CY2017Q4

us-gaap

Securities Held As Collateral At Fair Value

SecuritiesHeldAsCollateralAtFairValue

455100000

USD

CY2018Q1

us-gaap

Securities Held As Collateral At Fair Value

SecuritiesHeldAsCollateralAtFairValue

612200000

USD

CY2017Q4

us-gaap

Securities Loaned Fair Value Of Collateral

SecuritiesLoanedFairValueOfCollateral

454400000

USD

CY2018Q1

us-gaap

Securities Loaned Fair Value Of Collateral

SecuritiesLoanedFairValueOfCollateral

611800000

USD

CY2017Q4

us-gaap

Securities Received As Collateral

SecuritiesReceivedAsCollateral

455100000

USD

CY2018Q1

us-gaap

Securities Received As Collateral

SecuritiesReceivedAsCollateral

612200000

USD

CY2017Q1

us-gaap

Selling Expense

SellingExpense

348600000

USD

CY2018Q1

us-gaap

Selling Expense

SellingExpense

318200000

USD

CY2017Q1

us-gaap

Selling General And Administrative Expense

SellingGeneralAndAdministrativeExpense

3191300000

USD

CY2018Q1

us-gaap

Selling General And Administrative Expense

SellingGeneralAndAdministrativeExpense

3428500000

USD

CY2017Q1

us-gaap

Share Based Compensation

ShareBasedCompensation

42700000

USD

CY2018Q1

us-gaap

Share Based Compensation

ShareBasedCompensation

42200000

USD

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period

ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod

0

shares

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value

ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

176.68

CY2017

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

500000

shares

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

800000

shares

CY2017Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value

ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

166.94

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value

ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

232.15

CY2017Q4

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number

ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

2000000

shares

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number

ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

1900000

shares

CY2017Q4

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value

ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

152.20

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value

ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

180.43

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period

ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod

900000

shares

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value

ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

147.29

CY2017Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate

ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

0.00397

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate

ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

0.00323

CY2017Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate

ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

0.3200

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate

ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

0.3000

CY2017Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate

ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

0.0231

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate

ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

0.0290

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

2700000

shares

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

116.42

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod

0

shares

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice

172.73

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod

800000

shares

CY2017Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

40.73

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

55.31

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

350100000

USD

CY2017Q4

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

4300000

shares

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

4600000

shares

CY2017Q4

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

124.31

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

145.62

CY2018Q1

us-gaap

Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value

ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

277900000

USD

CY2018Q1

us-gaap

Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price

ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

99.33

CY2018Q1

us-gaap

Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price

ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

232.03

CY2017Q1

us-gaap

Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1

SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1

P4Y0M0D

CY2018Q1

us-gaap

Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1

SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1

P3Y8M12D

CY2018Q1

us-gaap

Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1

SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1

P5Y2M8D

CY2018Q1

us-gaap

Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2

SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2

P6Y9M18D

CY2017Q4

us-gaap

Short Term Borrowings

ShortTermBorrowings

1275000000

USD

CY2018Q1

us-gaap

Short Term Borrowings

ShortTermBorrowings

1125000000

USD

CY2018Q1

us-gaap

Stock Issued During Period Shares Stock Options Exercised

StockIssuedDuringPeriodSharesStockOptionsExercised

500000

shares

CY2017Q1

us-gaap

Stock Issued During Period Value Stock Options Exercised

StockIssuedDuringPeriodValueStockOptionsExercised

99900000

USD

CY2018Q1

us-gaap

Stock Issued During Period Value Stock Options Exercised

StockIssuedDuringPeriodValueStockOptionsExercised

28400000

USD

CY2017Q1

us-gaap

Stock Repurchase Program Remaining Authorized Repurchase Amount1

StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

4125200000

USD

CY2017Q4

us-gaap

Stockholders Equity

StockholdersEquity

26502900000

USD

CY2018Q1

us-gaap

Stockholders Equity

StockholdersEquity

27012400000

USD

CY2017Q4

us-gaap

Stockholders Equity Including Portion Attributable To Noncontrolling Interest Adjusted Balance1

StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1

26502900000

USD

CY2017Q1

us-gaap

Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense

SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense

17968500000

USD

CY2018Q1

us-gaap

Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense

SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense

17271100000

USD

CY2017Q1

us-gaap

Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense

SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

794600000

USD

CY2018Q1

us-gaap

Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense

SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

645200000

USD

CY2017Q1

us-gaap

Supplementary Insurance Information Other Operating Expense

SupplementaryInsuranceInformationOtherOperatingExpense

368900000

USD

CY2018Q1

us-gaap

Supplementary Insurance Information Other Operating Expense

SupplementaryInsuranceInformationOtherOperatingExpense

420000000

USD

CY2018Q1

us-gaap

Stock Repurchase Program Remaining Authorized Repurchase Amount1

StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

6783400000

USD

CY2017Q1

us-gaap

Stock Repurchased And Retired During Period Shares

StockRepurchasedAndRetiredDuringPeriodShares

300000

shares

CY2018Q1

us-gaap

Stock Repurchased And Retired During Period Shares

StockRepurchasedAndRetiredDuringPeriodShares

1700000

shares

CY2017Q1

us-gaap

Stock Repurchased And Retired During Period Value

StockRepurchasedAndRetiredDuringPeriodValue

50700000

USD

CY2018Q1

us-gaap

Stock Repurchased And Retired During Period Value

StockRepurchasedAndRetiredDuringPeriodValue

394700000

USD

CY2016Q4

us-gaap

Stockholders Equity

StockholdersEquity

25100400000

USD

CY2017Q1

us-gaap

Stockholders Equity

StockholdersEquity

26091900000

USD

CY2017Q4

us-gaap

Unearned Premiums

UnearnedPremiums

860300000

USD

CY2018Q1

us-gaap

Unearned Premiums

UnearnedPremiums

2115900000

USD

CY2017Q1

us-gaap

Unrealized Gain Loss On Cash Flow Hedging Instruments

UnrealizedGainLossOnCashFlowHedgingInstruments

-239400000

USD

CY2018Q1

us-gaap

Unrealized Gain Loss On Cash Flow Hedging Instruments

UnrealizedGainLossOnCashFlowHedgingInstruments

-322000000

USD

CY2017Q1

us-gaap

Weighted Average Number Diluted Shares Outstanding Adjustment

WeightedAverageNumberDilutedSharesOutstandingAdjustment

6000000

shares

CY2018Q1

us-gaap

Weighted Average Number Diluted Shares Outstanding Adjustment

WeightedAverageNumberDilutedSharesOutstandingAdjustment

7000000

shares

CY2017Q1

us-gaap

Weighted Average Number Of Diluted Shares Outstanding

WeightedAverageNumberOfDilutedSharesOutstanding

270400000

shares

CY2018Q1

us-gaap

Weighted Average Number Of Diluted Shares Outstanding

WeightedAverageNumberOfDilutedSharesOutstanding

262800000

shares

CY2017Q1

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

264400000

shares

CY2018Q1

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

255800000

shares

CY2018Q1

us-gaap

Description Of New Accounting Pronouncements Not Yet Adopted

DescriptionOfNewAccountingPronouncementsNotYetAdopted

<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:12px;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Recent Accounting Guidance Not Yet Adopted: </font><font style="font-family:inherit;font-size:10pt;">In February 2018, the FASB issued Accounting Standards Update No. 2018-03, </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Technical Corrections and Improvements to Financial Instruments—Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities</font><font style="font-family:inherit;font-size:10pt;">, or ASU 2018-03. This amendment clarifies certain aspects of the new guidance (ASU 2016-01) on recognizing and measuring financial instruments and presentation requirements for certain fair value option liabilities. ASU 2018-03 is effective for interim periods beginning after June 15, 2018 and will be effective for our 2018 annual reporting period. The standard requires entities to record a cumulative-effect adjustment to the statement of financial position at the beginning of the fiscal year in which the amendments are adopted. We are currently evaluating the effects the adoption of ASU 2018-03 will have on our consolidated financial position and related disclosures.</font></div><div style="line-height:120%;padding-bottom:12px;text-align:left;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In February 2016, the FASB issued Accounting Standards Update No. 2016-02, </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Leases (Topic 842)</font><font style="font-family:inherit;font-size:10pt;">, or ASU 2016-02. Upon the effective date, ASU 2016-02 will supersede the current lease guidance in Topic 840, </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Leases</font><font style="font-family:inherit;font-size:10pt;">. Under the new guidance, lessees will be required to recognize for all leases, with the exception of short-term leases, a lease liability, which is a lessee’s obligation to make lease payments arising from a lease, measured on a discounted basis. Concurrently, lessees will be required to recognize a right-of-use asset, which is an asset that represents the lessee’s right to use, or control the use of, a specified asset for the lease term. ASU 2016-02 is effective for interim and annual reporting periods beginning after December 15, 2018, with early adoption permitted. The guidance is required to be applied using a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative periods presented in the financial statements. We are currently evaluating the effects the adoption of ASU 2016-02 will have on our consolidated financial statements, results of operations and cash flows.</font></div><div style="line-height:120%;padding-bottom:16px;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">There were no other new accounting pronouncements that were issued or became effective since the issuance of our </font><font style="font-family:inherit;font-size:10pt;">2017</font><font style="font-family:inherit;font-size:10pt;"> Annual Report on Form 10-K that had, or are expected to have, a material impact on our consolidated financial position, results of operations or cash flows.</font></div></div>

CY2018Q1

us-gaap

Nature Of Operations

NatureOfOperations

<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Organization</font></div><div style="line-height:120%;padding-bottom:12px;padding-top:12px;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">References to the terms “we,” “our,” “us” or “Anthem” used throughout these Notes to Consolidated Financial Statements refer to Anthem, Inc., an Indiana corporation, and unless the context otherwise requires, its direct and indirect subsidiaries. References to the “states” include the District of Columbia, unless the context otherwise requires.</font></div><div style="line-height:120%;padding-bottom:12px;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">We are one of the largest health benefits companies in the United States in terms of medical membership, serving </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">39.6</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;">medical members through our affiliated health plans as of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">March 31, 2018</font><font style="font-family:inherit;font-size:10pt;">. We offer a broad spectrum of network-based managed care plans to Large Group, Small Group, Individual, Medicaid and Medicare markets. Our managed care plans include: Preferred Provider Organizations, or PPOs; health maintenance organizations, or HMOs; Point-of-Service, or POS, plans; traditional indemnity plans and other hybrid plans, including Consumer-Driven Health Plans, or CDHPs; and hospital only and limited benefit products. In addition, we provide a broad array of managed care services to self-funded customers, including claims processing, underwriting, stop loss insurance, actuarial services, provider network access, medical cost management, disease management, wellness programs and other administrative services. We provide an array of specialty and other insurance products and services such as dental, vision, life and disability insurance benefits, radiology benefit management and analytics-driven personal health care. We also provide services to the federal government in connection with the Federal Employee Program</font><font style="font-family:inherit;font-size:10pt;"><sup style="vertical-align:top;line-height:120%;font-size:7pt">®</sup></font><font style="font-family:inherit;font-size:10pt;">.</font></div><div style="line-height:120%;padding-bottom:16px;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">We are an independent licensee of the Blue Cross and Blue Shield Association, or BCBSA, an association of independent health benefit plans. </font><font style="font-family:inherit;font-size:10pt;">We serve our members as the Blue Cross licensee for California and as the Blue Cross and Blue Shield, or BCBS, licensee for Colorado, Connecticut, Georgia, Indiana, Kentucky, Maine, Missouri (excluding </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">30</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;">counties in the Kansas City area), Nevada, New Hampshire, New York (in varying counties as BCBS, Blue Cross or Empire BlueCross BlueShield HealthPlus), Ohio, Virginia (excluding the Northern Virginia suburbs of Washington, D.C.) and Wisconsin. In a majority of these service areas, we do business as Anthem Blue Cross, Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Georgia, and Empire Blue Cross Blue Shield or Empire Blue Cross (in our New York service areas). We also conduct business through arrangements with other BCBS licensees in Louisiana, South Carolina and western New York. Through our subsidiaries, we also serve customers in over </font><font style="font-family:inherit;font-size:10pt;">15</font><font style="font-family:inherit;font-size:10pt;"> states across the country as America’s 1st Choice, Amerigroup, CareMore, Freedom Health, HealthLink, HealthSun, Optimum HealthCare, Simply Healthcare, and/or Unicare.</font><font style="font-family:inherit;font-size:10pt;"> We are licensed to conduct insurance operations in all </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">50</font><font style="font-family:inherit;font-size:10pt;"> states and the District of Columbia through our subsidiaries.</font></div></div>

CY2018Q1

us-gaap

Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense

ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense

<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:4px;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">A reconciliation of the beginning and ending balances for medical claims payable, by segment (see Note 15, "Segment Information"), for the </font><font style="font-family:inherit;font-size:10pt;">three months ended March 31, 2018</font><font style="font-family:inherit;font-size:10pt;"> is as follows:</font></div><div style="line-height:120%;padding-bottom:12px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.60317460317461%;border-collapse:collapse;text-align:left;"><tr><td colspan="12" rowspan="1"></td></tr><tr><td style="width:65%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:9%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:9%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:9%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Commercial</font></div><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">& Specialty</font></div><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Business</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Government</font></div><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Business</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Total</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Gross medical claims payable, beginning of period</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3,406.6</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4,584.9</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">7,991.5</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Ceded medical claims payable, beginning of period</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(78.0</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(26.9</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(104.9</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Net medical claims payable, beginning of period</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3,328.6</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4,558.0</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">7,886.6</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Business combinations and purchase adjustments</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">—</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">199.2</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">199.2</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Net incurred medical claims:</font></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Current period</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">5,825.2</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">11,445.9</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">17,271.1</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Prior periods redundancies</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(337.0</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(308.2</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(645.2</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Total net incurred medical claims</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">5,488.2</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">11,137.7</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">16,625.9</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Net payments attributable to:</font></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Current period medical claims</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3,796.1</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">7,682.7</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">11,478.8</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Prior periods medical claims</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">2,221.7</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3,405.4</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">5,627.1</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Total net payments</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">6,017.8</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">11,088.1</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">17,105.9</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Net medical claims payable, end of period</font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">2,799.0</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4,806.8</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">7,605.8</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Ceded medical claims payable, end of period</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">2.1</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">32.4</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">34.5</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Gross medical claims payable, end of period</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">2,801.1</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4,839.2</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">7,640.3</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr></table></div></div><div style="line-height:120%;padding-bottom:12px;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">At </font><font style="font-family:inherit;font-size:10pt;">March 31, 2018</font><font style="font-family:inherit;font-size:10pt;">, the total of net incurred but not reported liabilities plus expected development on reported claims for the Commercial & Specialty Business was </font><font style="font-family:inherit;font-size:10pt;">$85.2</font><font style="font-family:inherit;font-size:10pt;">, </font><font style="font-family:inherit;font-size:10pt;">$684.7</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;">$2,029.1</font><font style="font-family:inherit;font-size:10pt;"> for the claim years 2016 and prior, 2017 and 2018, respectively.</font></div><div style="line-height:120%;padding-bottom:12px;text-align:left;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">At </font><font style="font-family:inherit;font-size:10pt;">March 31, 2018</font><font style="font-family:inherit;font-size:10pt;">, the total of net incurred but not reported liabilities plus expected development on reported claims for the Government Business was </font><font style="font-family:inherit;font-size:10pt;">$43.0</font><font style="font-family:inherit;font-size:10pt;">, </font><font style="font-family:inherit;font-size:10pt;">$801.3</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;">$3,962.5</font><font style="font-family:inherit;font-size:10pt;"> for the claim years 2016 and prior, 2017 and 2018, respectively.</font></div><div style="line-height:120%;padding-bottom:4px;text-align:left;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">A reconciliation of the beginning and ending balances for medical claims payable, by segment (see Note 15, "Segment Information"), for the </font><font style="font-family:inherit;font-size:10pt;">three months ended March 31, 2017</font><font style="font-family:inherit;font-size:10pt;"> is as follows:</font></div><div style="line-height:120%;padding-bottom:12px;text-align:left;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.60317460317461%;border-collapse:collapse;text-align:left;"><tr><td colspan="12" rowspan="1"></td></tr><tr><td style="width:65%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:9%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:9%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:9%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Commercial</font></div><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">& Specialty</font></div><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Business</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Government</font></div><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Business</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Total</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Gross medical claims payable, beginning of period</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3,267.0</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4,625.6</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">7,892.6</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Ceded medical claims payable, beginning of period</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(521.3</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(17.8</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(539.1</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Net medical claims payable, beginning of period</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">2,745.7</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4,607.8</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">7,353.5</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Net incurred medical claims:</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Current period</font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">7,084.1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">10,884.4</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">17,968.5</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Prior periods redundancies</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(334.0</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(460.6</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(794.6</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Total net incurred medical claims</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">6,750.1</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">10,423.8</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">17,173.9</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Net payments attributable to:</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Current period medical claims</font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4,560.2</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">7,212.0</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">11,772.2</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Prior periods medical claims</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">2,062.5</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3,226.4</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">5,288.9</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Total net payments</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">6,622.7</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">10,438.4</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">17,061.1</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Net medical claims payable, end of period</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">2,873.1</font></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4,593.2</font></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">7,466.3</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Ceded medical claims payable, end of period</font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">439.6</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">14.7</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">454.3</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Gross medical claims payable, end of period</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3,312.7</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4,607.9</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">7,920.6</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr></table></div></div></div>

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$ELV
Elevance Health, Inc. Stock $elv

2018 Q1 Form 10-Q Financial Statement

#000115603918000005 Filed on April 25, 2018

Income Statement

Balance Sheet

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$ELV Elevance Health, Inc. Stock $elv

2018 Q1 Form 10-Q Financial Statement

#000115603918000005 Filed on April 25, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ELV
Elevance Health, Inc. Stock $elv