$CNA
CNA FINANCIAL CORP Stock $cna

$cna Overview Financials Valuation SEC Filings Company Website

2018 Q2 Form 10-Q Financial Statement

#000002117518000089 Filed on July 30, 2018

Income Statement

Concept	2018 Q2	2017 Q2
Revenue	$2.574B	$2.366B
YoY Change	8.79%	0.77%
Cost Of Revenue	$1.321B	$1.275B
YoY Change	3.61%	-4.49%
Gross Profit	$1.253B	$1.091B
YoY Change	14.85%	7.7%
Gross Profit Margin	48.68%	46.11%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$359.0M	$312.0M
YoY Change	15.06%	2.3%
% of Gross Profit	28.65%	28.6%
Operating Expenses	$2.209B	$1.956B
YoY Change	12.93%	-3.26%
Operating Profit	-$956.0M	-$865.0M
YoY Change	10.52%	-14.27%
Interest Expense	$35.00M	$40.00M
YoY Change	-12.5%	5.26%
% of Operating Profit
Other Income/Expense, Net	$97.00M	$71.00M
YoY Change	36.62%	-51.37%
Pretax Income	$330.0M	$370.0M
YoY Change	-10.81%	28.47%
Income Tax	$60.00M	$98.00M
% Of Pretax Income	18.18%	26.49%
Net Earnings	$270.0M	$272.0M
YoY Change	-0.74%	30.14%
Net Earnings / Revenue	10.49%	11.5%
Basic Earnings Per Share	$0.99	$1.01
Diluted Earnings Per Share	$0.99	$1.00
COMMON SHARES
Basic Shares Outstanding	271.5M shares	271.1M shares
Diluted Shares Outstanding	272.4M shares	271.9M shares

Balance Sheet

Concept	2018 Q2	2017 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$288.0M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$347.0M	$336.0M
YoY Change	3.27%	21.74%
Goodwill	$147.0M	$147.0M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$45.15B	$46.27B
YoY Change	-2.41%	-0.6%
Other Assets	$296.0M	$166.0M
YoY Change	78.31%	-43.34%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$57.86B	$56.21B
YoY Change	2.94%	-1.23%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$30.00M	$150.0M
YoY Change	-80.0%
Total Short-Term Liabilities	$30.00M	$150.0M
YoY Change	-80.0%
LONG-TERM LIABILITIES
Long-Term Debt	$2.679B	$2.561B
YoY Change	4.61%	-5.43%
Other Long-Term Liabilities	$6.667B	$4.356B
YoY Change	53.05%	0.55%
Total Long-Term Liabilities	$2.679B	$2.561B
YoY Change	4.61%	-5.43%
TOTAL LIABILITIES
Total Short-Term Liabilities	$30.00M	$150.0M
Total Long-Term Liabilities	$2.679B	$2.561B
Total Liabilities	$46.44B	$44.18B
YoY Change	5.13%	-1.87%
SHAREHOLDERS EQUITY
Retained Earnings	$9.216B	$9.211B
YoY Change	0.05%	3.37%
Common Stock	$2.862B	$2.850B
YoY Change	0.42%	0.42%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$58.00M	$65.00M
YoY Change	-10.77%	-10.96%
Treasury Stock Shares	1.649M shares	2.053M shares
Shareholders Equity	$11.42B	$12.03B
YoY Change
Total Liabilities & Shareholders Equity	$57.86B	$56.21B
YoY Change	2.94%	-1.23%

Cashflow Statement

Concept	2018 Q2	2017 Q2
OPERATING ACTIVITIES
Net Income	$270.0M	$272.0M
YoY Change	-0.74%	30.14%
Depreciation, Depletion And Amortization	$359.0M	$312.0M
YoY Change	15.06%	2.3%
Cash From Operating Activities	$136.0M	$233.0M
YoY Change	-41.63%	-16.49%
INVESTING ACTIVITIES
Capital Expenditures	-$38.00M	-$38.00M
YoY Change	0.0%	18.75%
Acquisitions
YoY Change
Other Investing Activities	-$12.00M	-$205.0M
YoY Change	-94.15%	62.7%
Cash From Investing Activities	-$50.00M	-$243.0M
YoY Change	-79.42%	53.8%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-74.00M	-68.00M
YoY Change	8.82%	-1.45%
NET CHANGE
Cash From Operating Activities	136.0M	233.0M
Cash From Investing Activities	-50.00M	-243.0M
Cash From Financing Activities	-74.00M	-68.00M
Net Change In Cash	12.00M	-78.00M
YoY Change	-115.38%	-250.0%
FREE CASH FLOW
Cash From Operating Activities	$136.0M	$233.0M
Capital Expenditures	-$38.00M	-$38.00M
Free Cash Flow	$174.0M	$271.0M
YoY Change	-35.79%	-12.86%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	cna	Income Tax Expense Benefit On Operating Income Loss IncomeTaxExpenseBenefitOnOperatingIncomeLoss	114000000	USD
CY2017Q2	cna	Catastrophe Losses Net Of Reinsurance CatastropheLossesNetOfReinsurance	39000000	USD
	cna	Catastrophe Losses Net Of Reinsurance CatastropheLossesNetOfReinsurance	73000000	USD
CY2018Q2	cna	Catastrophe Losses Net Of Reinsurance CatastropheLossesNetOfReinsurance	26000000	USD
	cna	Catastrophe Losses Net Of Reinsurance CatastropheLossesNetOfReinsurance	60000000	USD
CY2016Q4	cna	Ceded Claim And Claim Adjustment Expenses CededClaimAndClaimAdjustmentExpenses	4094000000	USD
CY2017Q2	cna	Ceded Claim And Claim Adjustment Expenses CededClaimAndClaimAdjustmentExpenses	4080000000	USD
CY2017Q4	cna	Ceded Claim And Claim Adjustment Expenses CededClaimAndClaimAdjustmentExpenses	3934000000	USD
CY2018Q2	cna	Ceded Claim And Claim Adjustment Expenses CededClaimAndClaimAdjustmentExpenses	4157000000	USD
	cna	Change In Other Investments ChangeInOtherInvestments	-3000000	USD
	cna	Change In Other Investments ChangeInOtherInvestments	-6000000	USD
	cna	Change In Short Term Investments ChangeInShortTermInvestments	81000000	USD
	cna	Change In Short Term Investments ChangeInShortTermInvestments	135000000	USD
CY2018Q2	cna	Commitments To Purchase Or Fund Additional Amounts CommitmentsToPurchaseOrFundAdditionalAmounts	272000000	USD
CY2018Q2	cna	Commitments To Sell Various Privately Placed Debt Securities CommitmentsToSellVariousPrivatelyPlacedDebtSecurities	111000000	USD
CY2017Q2	cna	Costs From Contract With Customers CostsFromContractWithCustomers	72000000	USD
	cna	Costs From Contract With Customers CostsFromContractWithCustomers	142000000	USD
CY2018Q2	cna	Costs From Contract With Customers CostsFromContractWithCustomers	225000000	USD
	cna	Costs From Contract With Customers CostsFromContractWithCustomers	441000000	USD
	cna	Deferred Income Tax Expense Benefit Continuingand Discontinuing DeferredIncomeTaxExpenseBenefitContinuingandDiscontinuing	122000000	USD
	cna	Deferred Income Tax Expense Benefit Continuingand Discontinuing DeferredIncomeTaxExpenseBenefitContinuingandDiscontinuing	15000000	USD
CY2017Q2	cna	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings And Other Comprehensive Income Loss FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsAndOtherComprehensiveIncomeLoss	3000000	USD
	cna	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings And Other Comprehensive Income Loss FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsAndOtherComprehensiveIncomeLoss	14000000	USD
CY2018Q2	cna	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings And Other Comprehensive Income Loss FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsAndOtherComprehensiveIncomeLoss	-3000000	USD
	cna	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings And Other Comprehensive Income Loss FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsAndOtherComprehensiveIncomeLoss	-4000000	USD
CY2018Q2	cna	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Includedin Net Investment Income FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedinNetInvestmentIncome	0	USD
	cna	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Includedin Net Investment Income FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedinNetInvestmentIncome	0	USD
CY2018Q2	cna	Future Capital Call Commitments FutureCapitalCallCommitments	551000000	USD
CY2017Q2	cna	Income Tax Expense Benefit On Net Realized Investment Gains Losses IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses	17000000	USD
	cna	Income Tax Expense Benefit On Net Realized Investment Gains Losses IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses	28000000	USD
CY2018Q2	cna	Income Tax Expense Benefit On Net Realized Investment Gains Losses IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses	-1000000	USD
	cna	Income Tax Expense Benefit On Net Realized Investment Gains Losses IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses	1000000	USD
CY2017Q2	cna	Income Tax Expense Benefit On Operating Income Loss IncomeTaxExpenseBenefitOnOperatingIncomeLoss	81000000	USD
	cna	Income Tax Expense Benefit On Operating Income Loss IncomeTaxExpenseBenefitOnOperatingIncomeLoss	153000000	USD
CY2018Q2	cna	Income Tax Expense Benefit On Operating Income Loss IncomeTaxExpenseBenefitOnOperatingIncomeLoss	61000000	USD
CY2017Q2	cna	Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends	1280000000	USD
	cna	Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends	2573000000	USD
CY2018Q2	cna	Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends	1327000000	USD
	cna	Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends	2666000000	USD
CY2017Q2	cna	Investment Income InvestmentIncome	490000000	USD
	cna	Investment Income InvestmentIncome	1049000000	USD
CY2018Q2	cna	Investment Income InvestmentIncome	522000000	USD
	cna	Investment Income InvestmentIncome	1027000000	USD
CY2017Q2	cna	Investmentsand Derivatives Realized Gain Loss InvestmentsandDerivativesRealizedGainLoss	50000000	USD
	cna	Investmentsand Derivatives Realized Gain Loss InvestmentsandDerivativesRealizedGainLoss	86000000	USD
CY2018Q2	cna	Investmentsand Derivatives Realized Gain Loss InvestmentsandDerivativesRealizedGainLoss	-1000000	USD
	cna	Investmentsand Derivatives Realized Gain Loss InvestmentsandDerivativesRealizedGainLoss	11000000	USD
CY2017Q2	cna	Investmentsand Derivatives Realized Gain Loss Excluding Otherthan Temporary Impairments InvestmentsandDerivativesRealizedGainLossExcludingOtherthanTemporaryImpairments	52000000	USD
	cna	Investmentsand Derivatives Realized Gain Loss Excluding Otherthan Temporary Impairments InvestmentsandDerivativesRealizedGainLossExcludingOtherthanTemporaryImpairments	90000000	USD
CY2018Q2	cna	Investmentsand Derivatives Realized Gain Loss Excluding Otherthan Temporary Impairments InvestmentsandDerivativesRealizedGainLossExcludingOtherthanTemporaryImpairments	-1000000	USD
	cna	Investmentsand Derivatives Realized Gain Loss Excluding Otherthan Temporary Impairments InvestmentsandDerivativesRealizedGainLossExcludingOtherthanTemporaryImpairments	17000000	USD
	cna	Liability For Unpaid Claims And Claims Adjustment Expense Foreign Cta And Other LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCtaAndOther	70000000	USD
	cna	Liability For Unpaid Claims And Claims Adjustment Expense Foreign Cta And Other LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCtaAndOther	-70000000	USD
	cna	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Amortization Of Discount LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAmortizationOfDiscount	93000000	USD
	cna	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Amortization Of Discount LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAmortizationOfDiscount	92000000	USD
CY2016Q4	cna	Liabilityforunpaidclaimandclaimadjustmentexpensegross Liabilityforunpaidclaimandclaimadjustmentexpensegross	22343000000	USD
CY2017Q2	cna	Liabilityforunpaidclaimandclaimadjustmentexpensegross Liabilityforunpaidclaimandclaimadjustmentexpensegross	22179000000	USD
CY2017Q4	cna	Liabilityforunpaidclaimandclaimadjustmentexpensegross Liabilityforunpaidclaimandclaimadjustmentexpensegross	22004000000	USD
CY2018Q2	cna	Liabilityforunpaidclaimandclaimadjustmentexpensegross Liabilityforunpaidclaimandclaimadjustmentexpensegross	21990000000	USD
CY2017Q4	cna	Limited Partnership Investments LimitedPartnershipInvestments	2369000000	USD
CY2018Q2	cna	Limited Partnership Investments LimitedPartnershipInvestments	2363000000	USD
CY2017Q4	cna	Marketable Securities Fixed Maturities At Amortized Cost MarketableSecuritiesFixedMaturitiesAtAmortizedCost	38215000000	USD
CY2018Q2	cna	Marketable Securities Fixed Maturities At Amortized Cost MarketableSecuritiesFixedMaturitiesAtAmortizedCost	37928000000	USD
CY2018Q2	cna	Mortgage Loan Commitments MortgageLoanCommitments	15000000	USD
CY2017Q2	cna	Net Investment Income And Gains Losses On Trading Securities NetInvestmentIncomeAndGainsLossesOnTradingSecurities	475000000	USD
	cna	Net Investment Income And Gains Losses On Trading Securities NetInvestmentIncomeAndGainsLossesOnTradingSecurities	1020000000	USD
CY2018Q2	cna	Net Investment Income And Gains Losses On Trading Securities NetInvestmentIncomeAndGainsLossesOnTradingSecurities	506000000	USD
	cna	Net Investment Income And Gains Losses On Trading Securities NetInvestmentIncomeAndGainsLossesOnTradingSecurities	996000000	USD
CY2017Q2	cna	Net Operating Income Loss From Continuing Operations Attributableto Parent NetOperatingIncomeLossFromContinuingOperationsAttributabletoParent	239000000	USD
	cna	Net Operating Income Loss From Continuing Operations Attributableto Parent NetOperatingIncomeLossFromContinuingOperationsAttributabletoParent	474000000	USD
CY2018Q2	cna	Net Operating Income Loss From Continuing Operations Attributableto Parent NetOperatingIncomeLossFromContinuingOperationsAttributabletoParent	270000000	USD
	cna	Net Operating Income Loss From Continuing Operations Attributableto Parent NetOperatingIncomeLossFromContinuingOperationsAttributabletoParent	551000000	USD
CY2017Q2	cna	Net Realized Investment Gains Losses NetRealizedInvestmentGainsLosses	33000000	USD
	cna	Net Realized Investment Gains Losses NetRealizedInvestmentGainsLosses	58000000	USD
CY2018Q2	cna	Net Realized Investment Gains Losses NetRealizedInvestmentGainsLosses	0	USD
	cna	Net Realized Investment Gains Losses NetRealizedInvestmentGainsLosses	10000000	USD
	cna	Net Realized Investment Gains Losses Continuing And Discontinuing Operations NetRealizedInvestmentGainsLossesContinuingAndDiscontinuingOperations	86000000	USD
	cna	Net Realized Investment Gains Losses Continuing And Discontinuing Operations NetRealizedInvestmentGainsLossesContinuingAndDiscontinuingOperations	11000000	USD
CY2017Q2	cna	Net Unrealized Gains Losses On Investments NetUnrealizedGainsLossesOnInvestments	77000000	USD
	cna	Net Unrealized Gains Losses On Investments NetUnrealizedGainsLossesOnInvestments	140000000	USD
CY2018Q2	cna	Net Unrealized Gains Losses On Investments NetUnrealizedGainsLossesOnInvestments	-160000000	USD
	cna	Net Unrealized Gains Losses On Investments NetUnrealizedGainsLossesOnInvestments	-598000000	USD
CY2017Q2	cna	Operating Income Loss From Continuing Operations Before Income Tax OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax	320000000	USD
	cna	Operating Income Loss From Continuing Operations Before Income Tax OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax	627000000	USD
CY2018Q2	cna	Operating Income Loss From Continuing Operations Before Income Tax OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax	331000000	USD
	cna	Operating Income Loss From Continuing Operations Before Income Tax OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax	665000000	USD
CY2017Q2	cna	Operating Revenues OperatingRevenues	2316000000	USD
	cna	Operating Revenues OperatingRevenues	4610000000	USD
CY2018Q2	cna	Operating Revenues OperatingRevenues	2575000000	USD
	cna	Operating Revenues OperatingRevenues	5098000000	USD
CY2017Q2	cna	Other Insurance Related Expenses OtherInsuranceRelatedExpenses	261000000	USD
	cna	Other Insurance Related Expenses OtherInsuranceRelatedExpenses	515000000	USD
CY2018Q2	cna	Other Insurance Related Expenses OtherInsuranceRelatedExpenses	236000000	USD
	cna	Other Insurance Related Expenses OtherInsuranceRelatedExpenses	513000000	USD
CY2017Q4	cna	Other Invested Assets Overseas Deposit OtherInvestedAssetsOverseasDeposit	39000000	USD
CY2018Q2	cna	Other Invested Assets Overseas Deposit OtherInvestedAssetsOverseasDeposit	42000000	USD
	cna	Payments To Purchase Mortgage Loans PaymentsToPurchaseMortgageLoans	72000000	USD
	cna	Payments To Purchase Mortgage Loans PaymentsToPurchaseMortgageLoans	94000000	USD
	cna	Paymentsto Acquire Marketable Securities Equity PaymentstoAcquireMarketableSecuritiesEquity	127000000	USD
CY2017Q2	cna	Pretax Favorable Unfavorable Premium Development Excluding Life Group PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup	-55000000	USD
	cna	Pretax Favorable Unfavorable Premium Development Excluding Life Group PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup	-112000000	USD
CY2018Q2	cna	Pretax Favorable Unfavorable Premium Development Excluding Life Group PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup	-59000000	USD
	cna	Pretax Favorable Unfavorable Premium Development Excluding Life Group PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup	-98000000	USD
	cna	Proceedsfrom Saleof Marketable Securities Equity ProceedsfromSaleofMarketableSecuritiesEquity	25000000	USD
CY2017Q4	cna	Reduction Of Net Unrealized Gains On Investments Included In Aoci Due To Shadow Adjustments ReductionOfNetUnrealizedGainsOnInvestmentsIncludedInAociDueToShadowAdjustments	1411000000	USD
CY2018Q2	cna	Reduction Of Net Unrealized Gains On Investments Included In Aoci Due To Shadow Adjustments ReductionOfNetUnrealizedGainsOnInvestmentsIncludedInAociDueToShadowAdjustments	1186000000	USD
CY2017Q4	cna	Shortterm Investmentsand Other ShorttermInvestmentsandOther	1354000000	USD
CY2018Q2	cna	Shortterm Investmentsand Other ShorttermInvestmentsandOther	1217000000	USD
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
	dei	Document Period End Date DocumentPeriodEndDate	2018-06-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000021175
CY2018Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	271395494	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	CNA FINANCIAL CORP
CY2017Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	167000000	USD
CY2018Q2	invest	Derivative Notional Amount DerivativeNotionalAmount	161000000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	21000000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	30000000	USD
CY2017Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	411000000	USD
CY2018Q2	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	396000000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	274000000	USD
CY2018Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	234000000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	32000000	USD
CY2018Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-605000000	USD
CY2017Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	2175000000	USD
CY2018Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	2179000000	USD
	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	30000000	USD
	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	47000000	USD
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-17000000	USD
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-207000000	USD
CY2018Q2	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	164000000	USD
	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	321000000	USD
CY2017Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1000	shares
CY2018Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	445000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2000	shares
CY2017Q4	us-gaap	Assets Assets	56567000000	USD
CY2018Q2	us-gaap	Assets Assets	57858000000	USD
CY2017Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	43536000000	USD
CY2018Q2	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	41785000000	USD
CY2018Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	2213000000	USD
CY2018Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	346000000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	38212000000	USD
CY2018Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	37911000000	USD
CY2017Q4	us-gaap	Available For Sale Equity Securities Amortized Cost Basis AvailableForSaleEquitySecuritiesAmortizedCostBasis	659000000	USD
CY2017Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	42182000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	3397000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	89000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	38874000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	49000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	89000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	5075000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	40000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	3620000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	1455000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	16060000000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	16138000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	16718000000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	16240000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	8165000000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	8211000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	8501000000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	8421000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	12852000000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	12261000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	15108000000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	13795000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1135000000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1301000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1157000000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1322000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	41484000000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	39778000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Equity Securities AvailableForSaleSecuritiesEquitySecurities	695000000	USD
CY2017Q2	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	1996000000	USD
	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	3983000000	USD
CY2018Q2	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	2244000000	USD
	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	4433000000	USD
CY2016Q4	us-gaap	Cash Cash	271000000	USD
CY2017Q2	us-gaap	Cash Cash	225000000	USD
CY2017Q4	us-gaap	Cash Cash	355000000	USD
CY2018Q2	us-gaap	Cash Cash	288000000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-46000000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-67000000	USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.25
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.5
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.30
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.6
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	2.50
CY2018Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	2.50
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2018Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	273040243	shares
CY2018Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	273040243	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	271205390	shares
CY2018Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	271391107	shares
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	683000000	USD
CY2018Q2	us-gaap	Common Stock Value CommonStockValue	683000000	USD
CY2017Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	396000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	737000000	USD
CY2018Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	65000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-60000000	USD
CY2017Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	2900000000	USD
CY2018Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	3200000000	USD
CY2018Q2	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	213000000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	435000000	USD
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CY2017Q4	us-gaap	Debt Securities DebtSecurities	41487000000	USD
CY2018Q2	us-gaap	Debt Securities DebtSecurities	39795000000	USD
CY2017Q2	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	50000000	USD
	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	86000000	USD
CY2018Q2	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	-1000000	USD
	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	11000000	USD
CY2018Q2	us-gaap	Debt Securities Trading And Equity Securities Fv Ni Cost DebtSecuritiesTradingAndEquitySecuritiesFvNiCost	37928000000	USD
CY2017Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	137000000	USD
CY2018Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	296000000	USD
CY2018Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	158000000	USD
CY2017Q2	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	312000000	USD
	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	617000000	USD
CY2018Q2	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	359000000	USD
	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	655000000	USD
CY2017Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	634000000	USD
CY2018Q2	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	673000000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	43000000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	41000000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	3000000	USD
CY2018Q2	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	4000000	USD
CY2017Q4	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	143000000	USD
CY2018Q2	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	100000000	USD
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.01
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CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.99
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CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.00
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CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.99
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CY2018Q2	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	773000000	USD
CY2018Q2	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	762000000	USD
CY2017Q2	us-gaap	Fair Value Assets Level1 To Level2 Transfers Amount FairValueAssetsLevel1ToLevel2TransfersAmount	0	USD
CY2018Q2	us-gaap	Fair Value Assets Level1 To Level2 Transfers Amount FairValueAssetsLevel1ToLevel2TransfersAmount	0	USD
CY2017Q2	us-gaap	Fair Value Assets Level2 To Level1 Transfers Amount FairValueAssetsLevel2ToLevel1TransfersAmount	0	USD
CY2018Q2	us-gaap	Fair Value Assets Level2 To Level1 Transfers Amount FairValueAssetsLevel2ToLevel1TransfersAmount	29000000	USD
CY2017Q2	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	0	USD
	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	0	USD
CY2018Q2	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-1000000	USD
	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-3000000	USD
CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-1000000	USD
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CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	2000000	USD
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CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-2000000	USD
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CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	13000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	57000000	USD
CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	43000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	73000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	46000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	63000000	USD
CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	5000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	77000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	18000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	43000000	USD
CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	8000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	16000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	24000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	52000000	USD
CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	13000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	18000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	80000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	85000000	USD
CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	53000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	63000000	USD
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	407000000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	443000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	339000000	USD
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	454000000	USD
CY2018Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	398000000	USD
CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	385000000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	148000000	USD
CY2018Q2	us-gaap	Goodwill Goodwill	147000000	USD
CY2017Q2	us-gaap	Impairment Of Investments ImpairmentOfInvestments	2000000	USD
	us-gaap	Impairment Of Investments ImpairmentOfInvestments	4000000	USD
CY2018Q2	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
	us-gaap	Impairment Of Investments ImpairmentOfInvestments	6000000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	272000000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	532000000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	270000000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	561000000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	370000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	713000000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	330000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	676000000	USD
	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-42000000	USD
	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	15000000	USD
CY2017Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	98000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	181000000	USD
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	60000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	115000000	USD
	us-gaap	Increase Decrease In Accrued Investment Income Receivable IncreaseDecreaseInAccruedInvestmentIncomeReceivable	-1000000	USD
	us-gaap	Increase Decrease In Accrued Investment Income Receivable IncreaseDecreaseInAccruedInvestmentIncomeReceivable	-15000000	USD
	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	41000000	USD
	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	43000000	USD
	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	11000000	USD
	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	13000000	USD
	us-gaap	Increase Decrease In Insurance Liabilities IncreaseDecreaseInInsuranceLiabilities	262000000	USD
	us-gaap	Increase Decrease In Insurance Liabilities IncreaseDecreaseInInsuranceLiabilities	563000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	118000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	178000000	USD
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	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	587000000	USD
CY2017Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	847000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	915000	shares
CY2018Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	835000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	929000	shares
CY2017Q2	us-gaap	Interest Expense InterestExpense	40000000	USD
	us-gaap	Interest Expense InterestExpense	83000000	USD
CY2018Q2	us-gaap	Interest Expense InterestExpense	35000000	USD
	us-gaap	Interest Expense InterestExpense	70000000	USD
CY2017Q2	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	15000000	USD
	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	29000000	USD
CY2018Q2	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	16000000	USD
	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	31000000	USD
CY2017Q2	us-gaap	Investment Income Net InvestmentIncomeNet	475000000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	1020000000	USD
CY2018Q2	us-gaap	Investment Income Net InvestmentIncomeNet	506000000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	996000000	USD
CY2017Q4	us-gaap	Investments Investments	46870000000	USD
CY2018Q2	us-gaap	Investments Investments	45152000000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	44323000000	USD
CY2018Q2	us-gaap	Liabilities Liabilities	46443000000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	56567000000	USD
CY2018Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	57858000000	USD
CY2017Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	3000000	USD
CY2018Q2	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	-4000000	USD
CY2017Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	22004000000	USD
CY2018Q2	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	21990000000	USD
CY2017Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	11179000000	USD
CY2018Q2	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	10667000000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	266000000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	312000000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	2331000000	USD
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	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	2377000000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	2532000000	USD
CY2016Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	18249000000	USD
CY2017Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	18099000000	USD
CY2017Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	18070000000	USD
CY2018Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	17833000000	USD
CY2017Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	150000000	USD
CY2018Q2	us-gaap	Long Term Debt Current LongTermDebtCurrent	30000000	USD
CY2017Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2708000000	USD
CY2018Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2679000000	USD
CY2017Q4	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	839000000	USD
CY2018Q2	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	865000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-677000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-855000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	111000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	439000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	515000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	354000000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	272000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	532000000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	270000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	561000000	USD
CY2017Q2	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	149000000	USD
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	245000000	USD
CY2018Q2	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-209000000	USD
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-621000000	USD
CY2017Q4	us-gaap	Other Assets OtherAssets	1133000000	USD
CY2018Q2	us-gaap	Other Assets OtherAssets	3426000000	USD
CY2018Q1	us-gaap	Other Assets OtherAssets	3015000000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	77000000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	144000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-159000000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-588000000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	42000000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	53000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-52000000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-40000000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	124000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	205000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-205000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-621000000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	124000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	205000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-205000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-621000000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-5000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-12000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-7000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-17000000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	51000000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	92000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-45000000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-153000000	USD
CY2017Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	292000000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	568000000	USD
CY2018Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	298000000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	601000000	USD
CY2017Q2	us-gaap	Other Expenses OtherExpenses	71000000	USD
	us-gaap	Other Expenses OtherExpenses	136000000	USD
CY2018Q2	us-gaap	Other Expenses OtherExpenses	97000000	USD
	us-gaap	Other Expenses OtherExpenses	158000000	USD
CY2017Q2	us-gaap	Other Income OtherIncome	9000000	USD
	us-gaap	Other Income OtherIncome	20000000	USD
CY2018Q2	us-gaap	Other Income OtherIncome	6000000	USD
	us-gaap	Other Income OtherIncome	16000000	USD
CY2017Q4	us-gaap	Other Investments OtherInvestments	44000000	USD
CY2018Q2	us-gaap	Other Investments OtherInvestments	48000000	USD
CY2017Q4	us-gaap	Other Liabilities OtherLiabilities	4253000000	USD
CY2018Q2	us-gaap	Other Liabilities OtherLiabilities	6667000000	USD
CY2018Q1	us-gaap	Other Liabilities OtherLiabilities	6222000000	USD
CY2017Q4	us-gaap	Other Liabilities Fair Value Disclosure OtherLiabilitiesFairValueDisclosure	3000000	USD
CY2018Q2	us-gaap	Other Liabilities Fair Value Disclosure OtherLiabilitiesFairValueDisclosure	-4000000	USD
CY2016Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	36000000	USD
CY2017Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	32000000	USD
CY2017Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	30000000	USD
CY2017Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	27000000	USD
CY2018Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	25000000	USD
CY2018Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	21000000	USD
CY2017Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	2000000	USD
	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	6000000	USD
CY2018Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	4000000	USD
	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	6000000	USD
CY2017Q2	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	2000000	USD
	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	4000000	USD
CY2018Q2	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	0	USD
	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	6000000	USD
CY2017Q2	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAvailableforsaleSecurities	0	USD
CY2018Q2	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAvailableforsaleSecurities	1000000	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAvailableforsaleSecurities	4000000	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAvailableforsaleSecurities	10000000	USD
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	2597000000	USD
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	2699000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-17000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-14000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	676000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	706000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	4840000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	5608000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	8000000	USD
	us-gaap	Payments To Acquire Limited Partnership Interests PaymentsToAcquireLimitedPartnershipInterests	47000000	USD
	us-gaap	Payments To Acquire Limited Partnership Interests PaymentsToAcquireLimitedPartnershipInterests	72000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	68000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	76000000	USD
CY2017Q2	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	1275000000	USD
	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	2564000000	USD
CY2018Q2	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	1321000000	USD
	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	2654000000	USD
CY2017Q2	us-gaap	Policyholder Dividends PolicyholderDividends	5000000	USD
	us-gaap	Policyholder Dividends PolicyholderDividends	9000000	USD
CY2018Q2	us-gaap	Policyholder Dividends PolicyholderDividends	6000000	USD
	us-gaap	Policyholder Dividends PolicyholderDividends	12000000	USD
CY2017Q2	us-gaap	Premiums Earned Net PremiumsEarnedNet	1734000000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	3379000000	USD
CY2018Q2	us-gaap	Premiums Earned Net PremiumsEarnedNet	1815000000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	3600000000	USD
CY2017Q4	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	44000000	USD
CY2018Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	44000000	USD
CY2017Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	2292000000	USD
CY2018Q2	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	2598000000	USD
CY2017Q4	us-gaap	Premiums Receivable Gross PremiumsReceivableGross	2336000000	USD
CY2018Q2	us-gaap	Premiums Receivable Gross PremiumsReceivableGross	2642000000	USD
	us-gaap	Proceeds From Limited Partnership Investments ProceedsFromLimitedPartnershipInvestments	100000000	USD
	us-gaap	Proceeds From Limited Partnership Investments ProceedsFromLimitedPartnershipInvestments	93000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1770000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1306000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	1000000	USD
	us-gaap	Proceeds From Sale And Collection Of Mortgage Notes Receivable ProceedsFromSaleAndCollectionOfMortgageNotesReceivable	17000000	USD
	us-gaap	Proceeds From Sale And Collection Of Mortgage Notes Receivable ProceedsFromSaleAndCollectionOfMortgageNotesReceivable	68000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	3142000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	4781000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	22000000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	326000000	USD
CY2018Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	347000000	USD
CY2017Q2	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	25000000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	40000000	USD
CY2018Q2	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-4000000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	0	USD
CY2017Q2	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	11000000	USD
	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	18000000	USD
CY2018Q2	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	-1000000	USD
	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	0	USD
CY2017Q4	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	4261000000	USD
CY2018Q2	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	4535000000	USD
CY2017Q4	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	29000000	USD
CY2018Q2	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	29000000	USD
CY2017Q4	us-gaap	Reinsurance Recoverables Gross ReinsuranceRecoverablesGross	4290000000	USD
CY2018Q2	us-gaap	Reinsurance Recoverables Gross ReinsuranceRecoverablesGross	4564000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	150000000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	9414000000	USD
CY2018Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	9216000000	USD
CY2018Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	9348000000	USD
CY2017Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	98000000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	191000000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	248000000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	486000000	USD
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	493000000	USD
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	825000000	USD
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	656000000	USD
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1200000000	USD
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
CY2017Q2	us-gaap	Revenues Revenues	2366000000	USD
	us-gaap	Revenues Revenues	4696000000	USD
CY2018Q2	us-gaap	Revenues Revenues	2574000000	USD
	us-gaap	Revenues Revenues	5109000000	USD
CY2017Q4	us-gaap	Short Term Investments ShortTermInvestments	1436000000	USD
CY2018Q2	us-gaap	Short Term Investments ShortTermInvestments	1308000000	USD
CY2017Q2	us-gaap	Stockholders Equity StockholdersEquity	12028000000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	12244000000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	11415000000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	2443000000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	2552000000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-159000000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-112000000	USD
CY2018Q2	us-gaap	Trading Securities TradingSecurities	39795000000	USD
CY2017Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1834853	shares
CY2018Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	1649136	shares
CY2017Q4	us-gaap	Treasury Stock Value TreasuryStockValue	60000000	USD
CY2018Q2	us-gaap	Treasury Stock Value TreasuryStockValue	58000000	USD
CY2017Q4	us-gaap	Unearned Premiums UnearnedPremiums	4029000000	USD
CY2018Q2	us-gaap	Unearned Premiums UnearnedPremiums	4410000000	USD
CY2017Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	271900000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	271900000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	272400000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	272400000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	271100000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	271000000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	271500000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	271500000	shares
	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:8px;padding-top:8px;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The following table presents a reconciliation between beginning and ending claim and claim adjustment expense reserves, including claim and claim adjustment expense reserves of the Life & Group segment.</font></div><div style="line-height:120%;text-align:left;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:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="8" rowspan="1"></td></tr><tr><td style="width:73%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:11%;" 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:11%;" 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="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">For the six months ended June 30</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;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">(In millions)</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;">2018</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;">2017</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:8pt;"><font style="font-family:inherit;font-size:8pt;">Reserves, beginning of year:</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;border-top:1px solid #000000;" 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:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Gross</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">$</font></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">22,004</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">$</font></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">22,343</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:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Ceded</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:8pt;"><font style="font-family:inherit;font-size:8pt;">3,934</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:8pt;"><font style="font-family:inherit;font-size:8pt;">4,094</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:8pt;"><font style="font-family:inherit;font-size:8pt;">Net reserves, beginning of year</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:8pt;"><font style="font-family:inherit;font-size:8pt;">18,070</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;" rowspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">18,249</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:8pt;"><font style="font-family:inherit;font-size:8pt;">Net incurred claim and claim adjustment expenses:</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;border-top:1px solid #000000;" 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:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Provision for insured events of current year</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:8pt;"><font style="font-family:inherit;font-size:8pt;">2,552</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:8pt;"><font style="font-family:inherit;font-size:8pt;">2,443</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:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Decrease in provision for insured events of prior years</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:8pt;"><font style="font-family:inherit;font-size:8pt;">(112</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">)</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:8pt;"><font style="font-family:inherit;font-size:8pt;">(159</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">)</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Amortization of discount</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:8pt;"><font style="font-family:inherit;font-size:8pt;">92</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:8pt;"><font style="font-family:inherit;font-size:8pt;">93</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:8pt;"><font style="font-family:inherit;font-size:8pt;">Total net incurred </font><font style="font-family:inherit;font-size:8pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">(1)</sup></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:8pt;"><font style="font-family:inherit;font-size:8pt;">2,532</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:8pt;"><font style="font-family:inherit;font-size:8pt;">2,377</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:8pt;"><font style="font-family:inherit;font-size:8pt;">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></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Current year events</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:8pt;"><font style="font-family:inherit;font-size:8pt;">(312</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">)</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:8pt;"><font style="font-family:inherit;font-size:8pt;">(266</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">)</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Prior year events</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:8pt;"><font style="font-family:inherit;font-size:8pt;">(2,387</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:8pt;"><font style="font-family:inherit;font-size:8pt;">)</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:8pt;"><font style="font-family:inherit;font-size:8pt;">(2,331</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:8pt;"><font style="font-family:inherit;font-size:8pt;">)</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:8pt;"><font style="font-family:inherit;font-size:8pt;">Total net payments</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:8pt;"><font style="font-family:inherit;font-size:8pt;">(2,699</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">)</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:8pt;"><font style="font-family:inherit;font-size:8pt;">(2,597</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">)</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:8pt;"><font style="font-family:inherit;font-size:8pt;">Foreign currency translation adjustment and other</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:8pt;"><font style="font-family:inherit;font-size:8pt;">(70</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:8pt;"><font style="font-family:inherit;font-size:8pt;">)</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:8pt;"><font style="font-family:inherit;font-size:8pt;">70</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:8pt;"><font style="font-family:inherit;font-size:8pt;">Net reserves, 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:8pt;"><font style="font-family:inherit;font-size:8pt;">17,833</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:8pt;"><font style="font-family:inherit;font-size:8pt;">18,099</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:8pt;"><font style="font-family:inherit;font-size:8pt;">Ceded reserves, end 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:8pt;"><font style="font-family:inherit;font-size:8pt;">4,157</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:8pt;"><font style="font-family:inherit;font-size:8pt;">4,080</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:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Gross reserves, 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;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21,990</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">22,179</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #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></table></div><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><table cellpadding="0" cellspacing="0" style="padding-top:8px;padding-bottom:16px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;" rowspan="1" colspan="1"></td><td rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:top" rowspan="1" colspan="1"><div style="line-height:120%;font-size:8pt;padding-left:0px;"><font style="font-family:inherit;font-size:8pt;">(1)</font></div></td><td style="vertical-align:top;" rowspan="1" colspan="1"><div style="line-height:120%;text-align:justify;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Total net incurred above does not agree to Insurance claims and policyholders' benefits as reflected on the Condensed Consolidated Statements of Operations due to amounts related to retroactive reinsurance deferred gain accounting, uncollectible reinsurance and loss deductible receivables, and benefit expenses related to future policy benefits which are not reflected in the table above.</font></div></td></tr></table></div>
	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of Condensed Consolidated Financial Statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the Condensed Consolidated Financial Statements and the reported amounts of revenues and expenses during the reporting period. Actual results may differ from those estimates.</font></div></div>

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$CNA
CNA FINANCIAL CORP Stock $cna

2018 Q2 Form 10-Q Financial Statement

#000002117518000089 Filed on July 30, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$CNA CNA FINANCIAL CORP Stock $cna

2018 Q2 Form 10-Q Financial Statement

#000002117518000089 Filed on July 30, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CNA
CNA FINANCIAL CORP Stock $cna