$ALL
ALLSTATE CORP Stock $all

$all Overview Financials Valuation SEC Filings Company Website

2017 Q2 Form 10-Q Financial Statement

#000089905117000044 Filed on August 01, 2017

Income Statement

Concept	2017 Q2	2016 Q2
Revenue	$9.813B	$9.164B
YoY Change	7.08%	2.03%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.176B	$1.126B
YoY Change	4.44%	3.68%
% of Gross Profit
Operating Expenses	$8.612B	$8.706B
YoY Change	-1.08%	4.08%
Operating Profit
YoY Change
Interest Expense	$83.00M	$72.00M
YoY Change	15.28%	-1.37%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$851.0M	$376.0M
YoY Change	126.33%	-28.52%
Income Tax	$272.0M	$105.0M
% Of Pretax Income	31.96%	27.93%
Net Earnings	$579.0M	$271.0M
YoY Change	113.65%	-23.66%
Net Earnings / Revenue	5.9%	2.96%
Basic Earnings Per Share	$1.51	$0.65
Diluted Earnings Per Share	$1.49	$0.64
COMMON SHARES
Basic Shares Outstanding	363.6M shares	373.6M shares
Diluted Shares Outstanding	369.0M shares	378.1M shares

Balance Sheet

Concept	2017 Q2	2016 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents
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	$1.072B	$1.011B
YoY Change	6.03%	-2.6%
Goodwill	$2.309B	$1.219B
YoY Change	89.42%	0.0%
Intangibles
YoY Change
Long-Term Investments	$81.20B	$79.64B
YoY Change	1.96%	0.71%
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$110.9B	$107.3B
YoY Change	3.34%	0.16%
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
YoY Change
Total Short-Term Liabilities
YoY Change
LONG-TERM LIABILITIES
Long-Term Debt	$6.348B	$5.109B
YoY Change	24.25%	-1.48%
Other Long-Term Liabilities	$6.873B	$6.496B
YoY Change	5.8%	12.45%
Total Long-Term Liabilities	$13.22B	$11.61B
YoY Change	13.93%	5.86%
TOTAL LIABILITIES
Total Short-Term Liabilities
Total Long-Term Liabilities	$13.22B	$11.61B
Total Liabilities	$89.36B	$86.73B
YoY Change	3.04%	1.06%
SHAREHOLDERS EQUITY
Retained Earnings	$41.62B	$39.62B
YoY Change	5.05%	2.74%
Common Stock	$3.269B	$3.203B
YoY Change	2.06%	-0.06%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$25.24B	$24.31B
YoY Change	3.83%	9.15%
Treasury Stock Shares	539.0M shares	529.0M shares
Shareholders Equity	$21.50B	$20.55B
YoY Change
Total Liabilities & Shareholders Equity	$110.9B	$107.3B
YoY Change	3.34%	0.16%

Cashflow Statement

Concept	2017 Q2	2016 Q2
OPERATING ACTIVITIES
Net Income	$579.0M	$271.0M
YoY Change	113.65%	-23.66%
Depreciation, Depletion And Amortization	$1.176B	$1.126B
YoY Change	4.44%	3.68%
Cash From Operating Activities	$491.0M	$644.0M
YoY Change	-23.76%	-12.62%
INVESTING ACTIVITIES
Capital Expenditures	-$72.00M	-$68.00M
YoY Change	5.88%	-8.11%
Acquisitions
YoY Change
Other Investing Activities	$409.0M	$148.0M
YoY Change	176.35%	169.09%
Cash From Investing Activities	$337.0M	$80.00M
YoY Change	321.25%	-521.05%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-788.0M	-809.0M
YoY Change	-2.6%	-2.41%
NET CHANGE
Cash From Operating Activities	491.0M	644.0M
Cash From Investing Activities	337.0M	80.00M
Cash From Financing Activities	-788.0M	-809.0M
Net Change In Cash	40.00M	-85.00M
YoY Change	-147.06%	-23.42%
FREE CASH FLOW
Cash From Operating Activities	$491.0M	$644.0M
Capital Expenditures	-$72.00M	-$68.00M
Free Cash Flow	$563.0M	$712.0M
YoY Change	-20.93%	-12.21%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2016Q4	all	Accumulated Other Comprehensive Income Loss Other Unrealized Net Capital Gains And Losses AccumulatedOtherComprehensiveIncomeLossOtherUnrealizedNetCapitalGainsAndLosses	1091000000	USD
CY2017Q2	all	Accumulated Other Comprehensive Income Loss Other Unrealized Net Capital Gains And Losses AccumulatedOtherComprehensiveIncomeLossOtherUnrealizedNetCapitalGainsAndLosses	1590000000	USD
CY2016Q4	all	Accumulated Other Comprehensive Income Loss Otherthan Temporary Impairment Not Credit Loss Netof Tax AccumulatedOtherComprehensiveIncomeLossOtherthanTemporaryImpairmentNotCreditLossNetofTax	-57000000	USD
CY2017Q2	all	Accumulated Other Comprehensive Income Loss Otherthan Temporary Impairment Not Credit Loss Netof Tax AccumulatedOtherComprehensiveIncomeLossOtherthanTemporaryImpairmentNotCreditLossNetofTax	-65000000	USD
CY2016Q4	all	Accumulated Other Comprehensive Income Loss Unrealized Adjustment To Deferred Policy Acquisition Costs Deferred Sales Inducement Costs And Insurance Reserves AccumulatedOtherComprehensiveIncomeLossUnrealizedAdjustmentToDeferredPolicyAcquisitionCostsDeferredSalesInducementCostsAndInsuranceReserves	-95000000	USD
CY2017Q2	all	Accumulated Other Comprehensive Income Loss Unrealized Adjustment To Deferred Policy Acquisition Costs Deferred Sales Inducement Costs And Insurance Reserves AccumulatedOtherComprehensiveIncomeLossUnrealizedAdjustmentToDeferredPolicyAcquisitionCostsDeferredSalesInducementCostsAndInsuranceReserves	-129000000	USD
CY2016Q2	all	Antidilutive Securities Excluded From Computation Of Earning Per Share Exercise Price Range Higher AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareExercisePriceRangeHigher	71.29
	all	Antidilutive Securities Excluded From Computation Of Earning Per Share Exercise Price Range Higher AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareExercisePriceRangeHigher	71.29
CY2017Q2	all	Antidilutive Securities Excluded From Computation Of Earning Per Share Exercise Price Range Higher AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareExercisePriceRangeHigher	86.61
	all	Antidilutive Securities Excluded From Computation Of Earning Per Share Exercise Price Range Higher AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareExercisePriceRangeHigher	86.61
CY2016Q2	all	Antidilutive Securities Excluded From Computation Of Earning Per Share Exercise Price Range Lower AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareExercisePriceRangeLower	57.29
	all	Antidilutive Securities Excluded From Computation Of Earning Per Share Exercise Price Range Lower AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareExercisePriceRangeLower	57.29
CY2017Q2	all	Antidilutive Securities Excluded From Computation Of Earning Per Share Exercise Price Range Lower AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareExercisePriceRangeLower	74.03
	all	Antidilutive Securities Excluded From Computation Of Earning Per Share Exercise Price Range Lower AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareExercisePriceRangeLower	69.95
CY2016Q4	all	Assets As Percent Of Assets Measured At Fair Value AssetsAsPercentOfAssetsMeasuredAtFairValue	0.000
CY2017Q2	all	Assets As Percent Of Assets Measured At Fair Value AssetsAsPercentOfAssetsMeasuredAtFairValue	0.000
CY2016Q4	all	Available For Sale Equity Securities Unrealized Gain Included In Other Comprehensive Income AvailableForSaleEquitySecuritiesUnrealizedGainIncludedInOtherComprehensiveIncome	594000000	USD
	all	Other Than Temporary Impairment Change In Credit Losses Recognized In Earnings Due To Accretion In Cash Flows And Time Value Of Cash Flows OtherThanTemporaryImpairmentChangeInCreditLossesRecognizedInEarningsDueToAccretionInCashFlowsAndTimeValueOfCashFlows	0	USD
CY2017Q2	all	Available For Sale Equity Securities Unrealized Gain Included In Other Comprehensive Income AvailableForSaleEquitySecuritiesUnrealizedGainIncludedInOtherComprehensiveIncome	837000000	USD
CY2016Q4	all	Available For Sale Equity Securities Unrealized Gain Loss Included In Other Comprehensive Income AvailableForSaleEquitySecuritiesUnrealizedGainLossIncludedInOtherComprehensiveIncome	509000000	USD
CY2017Q2	all	Available For Sale Equity Securities Unrealized Gain Loss Included In Other Comprehensive Income AvailableForSaleEquitySecuritiesUnrealizedGainLossIncludedInOtherComprehensiveIncome	796000000	USD
CY2016Q4	all	Available For Sale Equity Securities Unrealized Loss Included In Other Comprehensive Income AvailableForSaleEquitySecuritiesUnrealizedLossIncludedInOtherComprehensiveIncome	85000000	USD
CY2017Q2	all	Available For Sale Securities Debt Maturities With Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithSingleMaturityDateAmortizedCost	54952000000	USD
CY2017Q2	all	Available For Sale Securities Debt Maturities With Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithSingleMaturityDateFairValue	56602000000	USD
CY2017Q2	all	Available For Sale Securities Unrealized Losses Having Loss Of Less Than Twenty Percent AvailableForSaleSecuritiesUnrealizedLossesHavingLossOfLessThanTwentyPercent	207000000	USD
CY2017Q2	all	Available For Sale Equity Securities Unrealized Loss Included In Other Comprehensive Income AvailableForSaleEquitySecuritiesUnrealizedLossIncludedInOtherComprehensiveIncome	41000000	USD
CY2016Q4	all	Available For Sale Fixed Income Securities Unrealized Gain Included In Other Comprehensive Income AvailableForSaleFixedIncomeSecuritiesUnrealizedGainIncludedInOtherComprehensiveIncome	1710000000	USD
CY2017Q2	all	Available For Sale Fixed Income Securities Unrealized Gain Included In Other Comprehensive Income AvailableForSaleFixedIncomeSecuritiesUnrealizedGainIncludedInOtherComprehensiveIncome	1963000000	USD
CY2016Q4	all	Available For Sale Fixed Income Securities Unrealized Gain Loss Included In Other Comprehensive Income AvailableForSaleFixedIncomeSecuritiesUnrealizedGainLossIncludedInOtherComprehensiveIncome	1263000000	USD
CY2017Q2	all	Available For Sale Fixed Income Securities Unrealized Gain Loss Included In Other Comprehensive Income AvailableForSaleFixedIncomeSecuritiesUnrealizedGainLossIncludedInOtherComprehensiveIncome	1755000000	USD
CY2016Q4	all	Available For Sale Fixed Income Securities Unrealized Loss Included In Other Comprehensive Income AvailableForSaleFixedIncomeSecuritiesUnrealizedLossIncludedInOtherComprehensiveIncome	447000000	USD
CY2017Q2	all	Available For Sale Fixed Income Securities Unrealized Loss Included In Other Comprehensive Income AvailableForSaleFixedIncomeSecuritiesUnrealizedLossIncludedInOtherComprehensiveIncome	208000000	USD
CY2017Q2	all	Available For Sale Securities Unrealized Losses Having Loss Of Twenty Percent Or Higher AvailableForSaleSecuritiesUnrealizedLossesHavingLossOfTwentyPercentOrHigher	42000000	USD
CY2016Q4	all	Availableforsale Shortterm Investments Unrealized Gain Includedin Other Comprehensive Income AvailableforsaleShorttermInvestmentsUnrealizedGainIncludedinOtherComprehensiveIncome	0	USD
CY2017Q2	all	Availableforsale Shortterm Investments Unrealized Gain Includedin Other Comprehensive Income AvailableforsaleShorttermInvestmentsUnrealizedGainIncludedinOtherComprehensiveIncome	0	USD
CY2016Q4	all	Availableforsale Shortterm Investments Unrealized Gain Loss Includedin Other Comprehensive Income AvailableforsaleShorttermInvestmentsUnrealizedGainLossIncludedinOtherComprehensiveIncome	0	USD
CY2017Q2	all	Availableforsale Shortterm Investments Unrealized Gain Loss Includedin Other Comprehensive Income AvailableforsaleShorttermInvestmentsUnrealizedGainLossIncludedinOtherComprehensiveIncome	0	USD
CY2016Q4	all	Availableforsale Shortterm Investments Unrealized Loss Includedin Other Comprehensive Income AvailableforsaleShorttermInvestmentsUnrealizedLossIncludedinOtherComprehensiveIncome	0	USD
CY2017Q2	all	Availableforsale Shortterm Investments Unrealized Loss Includedin Other Comprehensive Income AvailableforsaleShorttermInvestmentsUnrealizedLossIncludedinOtherComprehensiveIncome	0	USD
CY2017Q2	all	Cash And Securities Pledged As Collateral From Counterparties CashAndSecuritiesPledgedAsCollateralFromCounterparties	7000000	USD
	all	Change In Deferred Acquisition Policy Costs And Deferred Sales Inducement Cost Impact On Accumulated Other Comprehensive Income ChangeInDeferredAcquisitionPolicyCostsAndDeferredSalesInducementCostImpactOnAccumulatedOtherComprehensiveIncome	-52000000	USD
	all	Change In Insurance Reserves Impact On Accumulated Other Comprehensive Income ChangeInInsuranceReservesImpactOnAccumulatedOtherComprehensiveIncome	0	USD
CY2016Q2	all	Change In Intent Write Downs ChangeInIntentWriteDowns	16000000	USD
	all	Change In Intent Write Downs ChangeInIntentWriteDowns	38000000	USD
CY2017Q2	all	Change In Intent Write Downs ChangeInIntentWriteDowns	22000000	USD
	all	Change In Intent Write Downs ChangeInIntentWriteDowns	38000000	USD
CY2016Q4	all	Claim Payments Outstanding ClaimPaymentsOutstanding	879000000	USD
CY2017Q2	all	Claim Payments Outstanding ClaimPaymentsOutstanding	939000000	USD
CY2017Q2	all	Collateral Already Posted Aggregate Fair Value Without Credit Risk Contingent Features CollateralAlreadyPostedAggregateFairValueWithoutCreditRiskContingentFeatures	9000000	USD
CY2016Q4	all	Counterparty And Cash Collateral Netting As Percent Of Liabilities Measured At Fair Value CounterpartyAndCashCollateralNettingAsPercentOfLiabilitiesMeasuredAtFairValue	-0.084
CY2017Q2	all	Counterparty And Cash Collateral Netting As Percent Of Liabilities Measured At Fair Value CounterpartyAndCashCollateralNettingAsPercentOfLiabilitiesMeasuredAtFairValue	-0.063
CY2016Q4	all	Counterparty Credit Exposure CounterpartyCreditExposure	23000000	USD
CY2017Q2	all	Counterparty Credit Exposure CounterpartyCreditExposure	7000000	USD
CY2016Q4	all	Credit Derivative Exposure Net Of Collateral CreditDerivativeExposureNetOfCollateral	12000000	USD
CY2017Q2	all	Credit Derivative Exposure Net Of Collateral CreditDerivativeExposureNetOfCollateral	1000000	USD
CY2017Q2	all	Credit Index Number Of Reference Entities CreditIndexNumberOfReferenceEntities	125	entity
CY2016Q4	all	Deferred Income Taxes Recognized In Accumulated Other Comprehensive Income DeferredIncomeTaxesRecognizedInAccumulatedOtherComprehensiveIncome	571000000	USD
CY2017Q2	all	Deferred Income Taxes Recognized In Accumulated Other Comprehensive Income DeferredIncomeTaxesRecognizedInAccumulatedOtherComprehensiveIncome	825000000	USD
CY2016Q4	all	Deferred Policy Acquisition Costs And Deferred Sales Inducement Costs And Insurance Reserves Recognized In Accumulated Other Comprehensive Income DeferredPolicyAcquisitionCostsAndDeferredSalesInducementCostsAndInsuranceReservesRecognizedInAccumulatedOtherComprehensiveIncome	-146000000	USD
CY2017Q2	all	Deferred Policy Acquisition Costs And Deferred Sales Inducement Costs And Insurance Reserves Recognized In Accumulated Other Comprehensive Income DeferredPolicyAcquisitionCostsAndDeferredSalesInducementCostsAndInsuranceReservesRecognizedInAccumulatedOtherComprehensiveIncome	-198000000	USD
CY2016Q4	all	Deferred Policy Acquisition Costs And Deferred Sales Inducement Costs Recognized In Accumulated Other Comprehensive Income DeferredPolicyAcquisitionCostsAndDeferredSalesInducementCostsRecognizedInAccumulatedOtherComprehensiveIncome	-146000000	USD
CY2017Q2	all	Deferred Policy Acquisition Costs And Deferred Sales Inducement Costs Recognized In Accumulated Other Comprehensive Income DeferredPolicyAcquisitionCostsAndDeferredSalesInducementCostsRecognizedInAccumulatedOtherComprehensiveIncome	-198000000	USD
CY2016Q4	all	Derivative Asset Net Of Offsets And Securities Collateral DerivativeAssetNetOfOffsetsAndSecuritiesCollateral	9000000	USD
CY2017Q2	all	Derivative Asset Net Of Offsets And Securities Collateral DerivativeAssetNetOfOffsetsAndSecuritiesCollateral	19000000	USD
CY2016Q4	all	Derivative Gross Asset Fair Value With Credit Risk Contingent Features DerivativeGrossAssetFairValueWithCreditRiskContingentFeatures	7000000	USD
CY2017Q2	all	Derivative Instruments Unrealized Loss Included In Other Comprehensive Income DerivativeInstrumentsUnrealizedLossIncludedInOtherComprehensiveIncome	4000000	USD
CY2017Q2	all	Derivative Gross Asset Fair Value With Credit Risk Contingent Features DerivativeGrossAssetFairValueWithCreditRiskContingentFeatures	12000000	USD
CY2016Q4	all	Derivative Gross Liability Fair Value Credit Risk Contingent Features DerivativeGrossLiabilityFairValueCreditRiskContingentFeatures	9000000	USD
CY2017Q2	all	Derivative Gross Liability Fair Value Credit Risk Contingent Features DerivativeGrossLiabilityFairValueCreditRiskContingentFeatures	20000000	USD
CY2016Q4	all	Derivative Instruments Unrealized Gain Included In Other Comprehensive Income DerivativeInstrumentsUnrealizedGainIncludedInOtherComprehensiveIncome	5000000	USD
CY2017Q2	all	Derivative Instruments Unrealized Gain Included In Other Comprehensive Income DerivativeInstrumentsUnrealizedGainIncludedInOtherComprehensiveIncome	3000000	USD
CY2016Q4	all	Derivative Instruments Unrealized Gain Loss Included In Other Comprehensive Income DerivativeInstrumentsUnrealizedGainLossIncludedInOtherComprehensiveIncome	2000000	USD
CY2017Q2	all	Derivative Instruments Unrealized Gain Loss Included In Other Comprehensive Income DerivativeInstrumentsUnrealizedGainLossIncludedInOtherComprehensiveIncome	-1000000	USD
CY2016Q4	all	Derivative Instruments Unrealized Loss Included In Other Comprehensive Income DerivativeInstrumentsUnrealizedLossIncludedInOtherComprehensiveIncome	3000000	USD
CY2016Q4	all	Derivative Liability Counterparty Netting And Collateral Right To Reclaim Cash Offset DerivativeLiabilityCounterpartyNettingAndCollateralRightToReclaimCashOffset	28000000	USD
CY2017Q2	all	Derivative Liability Counterparty Netting And Collateral Right To Reclaim Cash Offset DerivativeLiabilityCounterpartyNettingAndCollateralRightToReclaimCashOffset	21000000	USD
CY2016Q4	all	Equity Method Investments Unrealized Loss Included In Other Comprehensive Income EquityMethodInvestmentsUnrealizedLossIncludedInOtherComprehensiveIncome	-4000000	USD
CY2017Q2	all	Equity Method Investments Unrealized Loss Included In Other Comprehensive Income EquityMethodInvestmentsUnrealizedLossIncludedInOtherComprehensiveIncome	-1000000	USD
CY2016Q2	all	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss Included In Earnings FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInEarnings	-3000000	USD
	all	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss Included In Earnings FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInEarnings	-30000000	USD
CY2017Q2	all	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss Included In Earnings FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInEarnings	3000000	USD
	all	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss Included In Earnings FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInEarnings	13000000	USD
CY2016Q4	all	Fair Value Of Derivative Assets With Unrealized Net Capital Gain Loss FairValueOfDerivativeAssetsWithUnrealizedNetCapitalGainLoss	5000000	USD
CY2016Q4	all	Fair Value Of Derivative Instruments With Unrealized Net Capital Gain Loss FairValueOfDerivativeInstrumentsWithUnrealizedNetCapitalGainLoss	5000000	USD
CY2017Q2	all	Fair Value Of Derivative Instruments With Unrealized Net Capital Gain Loss FairValueOfDerivativeInstrumentsWithUnrealizedNetCapitalGainLoss	3000000	USD
CY2017Q2	all	Fair Value Of Derivative Liabilities With Unrealized Net Capital Gain Loss FairValueOfDerivativeLiabilitiesWithUnrealizedNetCapitalGainLoss	-3000000	USD
CY2016Q2	all	Free Standing Derivative Assets Fair Value Disclosure FreeStandingDerivativeAssetsFairValueDisclosure	1000000	USD
CY2017Q2	all	Free Standing Derivative Assets Fair Value Disclosure FreeStandingDerivativeAssetsFairValueDisclosure	1000000	USD
CY2016Q2	all	Free Standing Derivative Liabilities Fair Value Disclosure FreeStandingDerivativeLiabilitiesFairValueDisclosure	8000000	USD
CY2016Q2	all	Impairment Write Down ImpairmentWriteDown	63000000	USD
	all	Impairment Write Down ImpairmentWriteDown	122000000	USD
CY2017Q2	all	Impairment Write Down ImpairmentWriteDown	28000000	USD
	all	Impairment Write Down ImpairmentWriteDown	71000000	USD
CY2016Q2	all	Income Loss From Operations Before Income Tax Expense Benefit IncomeLossFromOperationsBeforeIncomeTaxExpenseBenefit	376000000	USD
	all	Income Loss From Operations Before Income Tax Expense Benefit IncomeLossFromOperationsBeforeIncomeTaxExpenseBenefit	731000000	USD
CY2017Q2	all	Income Loss From Operations Before Income Tax Expense Benefit IncomeLossFromOperationsBeforeIncomeTaxExpenseBenefit	851000000	USD
	all	Income Loss From Operations Before Income Tax Expense Benefit IncomeLossFromOperationsBeforeIncomeTaxExpenseBenefit	1863000000	USD
	all	Increase Decrease In Amounts Recognized In Insurance Reserves Deferred Acquisition Policy Costs And Deferred Sales Inducement Cost In Accumulated Other Comprehensive Income IncreaseDecreaseInAmountsRecognizedInInsuranceReservesDeferredAcquisitionPolicyCostsAndDeferredSalesInducementCostInAccumulatedOtherComprehensiveIncome	-52000000	USD
CY2016Q2	all	Incremental Common Shares Attributable To Employee Stock Options IncrementalCommonSharesAttributableToEmployeeStockOptions	3400000	shares
	all	Incremental Common Shares Attributable To Employee Stock Options IncrementalCommonSharesAttributableToEmployeeStockOptions	3400000	shares
CY2017Q2	all	Incremental Common Shares Attributable To Employee Stock Options IncrementalCommonSharesAttributableToEmployeeStockOptions	4300000	shares
	all	Incremental Common Shares Attributable To Employee Stock Options IncrementalCommonSharesAttributableToEmployeeStockOptions	4200000	shares
CY2016Q2	all	Incremental Common Shares Attributable To Restricted Stock Units IncrementalCommonSharesAttributableToRestrictedStockUnits	1100000	shares
	all	Incremental Common Shares Attributable To Restricted Stock Units IncrementalCommonSharesAttributableToRestrictedStockUnits	1300000	shares
CY2017Q2	all	Incremental Common Shares Attributable To Restricted Stock Units IncrementalCommonSharesAttributableToRestrictedStockUnits	1100000	shares
	all	Incremental Common Shares Attributable To Restricted Stock Units IncrementalCommonSharesAttributableToRestrictedStockUnits	1300000	shares
CY2016Q4	all	Insurance Reserves Recognized In Accumulated Other Comprehensive Income InsuranceReservesRecognizedInAccumulatedOtherComprehensiveIncome	0	USD
CY2017Q2	all	Insurance Reserves Recognized In Accumulated Other Comprehensive Income InsuranceReservesRecognizedInAccumulatedOtherComprehensiveIncome	0	USD
CY2016Q4	all	Liability For Asbestos Claims Net LiabilityForAsbestosClaimsNet	912000000	USD
CY2017Q2	all	Liability For Asbestos Claims Net LiabilityForAsbestosClaimsNet	867000000	USD
CY2016Q4	all	Liability For Environmental Claims Net LiabilityForEnvironmentalClaimsNet	179000000	USD
	all	Life And Annuity Premiums And Contract Charges Net Of Reinsurance Ceded LifeAndAnnuityPremiumsAndContractChargesNetOfReinsuranceCeded	1184000000	USD
CY2017Q2	all	Liability For Environmental Claims Net LiabilityForEnvironmentalClaimsNet	166000000	USD
CY2016Q2	all	Life And Annuity Contract Benefits Net Of Reinsurance Recoveries LifeAndAnnuityContractBenefitsNetOfReinsuranceRecoveries	454000000	USD
	all	Life And Annuity Contract Benefits Net Of Reinsurance Recoveries LifeAndAnnuityContractBenefitsNetOfReinsuranceRecoveries	909000000	USD
CY2017Q2	all	Life And Annuity Contract Benefits Net Of Reinsurance Recoveries LifeAndAnnuityContractBenefitsNetOfReinsuranceRecoveries	486000000	USD
	all	Life And Annuity Contract Benefits Net Of Reinsurance Recoveries LifeAndAnnuityContractBenefitsNetOfReinsuranceRecoveries	960000000	USD
CY2016Q2	all	Life And Annuity Premiums And Contract Charges Net Of Reinsurance Ceded LifeAndAnnuityPremiumsAndContractChargesNetOfReinsuranceCeded	564000000	USD
	all	Life And Annuity Premiums And Contract Charges Net Of Reinsurance Ceded LifeAndAnnuityPremiumsAndContractChargesNetOfReinsuranceCeded	1130000000	USD
CY2017Q2	all	Life And Annuity Premiums And Contract Charges Net Of Reinsurance Ceded LifeAndAnnuityPremiumsAndContractChargesNetOfReinsuranceCeded	591000000	USD
CY2017Q2	all	Loss Contingency Numberof Trials LossContingencyNumberofTrials	2	trial
	all	Net Cash Provided By Used In Operating Activities Liabilities For Collateral NetCashProvidedByUsedInOperatingActivitiesLiabilitiesForCollateral	56000000	USD
	all	Net Cash Provided By Used In Operating Activities Liabilities For Collateral NetCashProvidedByUsedInOperatingActivitiesLiabilitiesForCollateral	-3000000	USD
	all	Net Cash Provided By Used In Operating Activities Proceeds Managed Collateral NetCashProvidedByUsedInOperatingActivitiesProceedsManagedCollateral	-56000000	USD
	all	Net Cash Provided By Used In Operating Activities Proceeds Managed Collateral NetCashProvidedByUsedInOperatingActivitiesProceedsManagedCollateral	3000000	USD
	all	Net Change In Short Term Investments Of Proceeds Managed Collateral NetChangeInShortTermInvestmentsOfProceedsManagedCollateral	-56000000	USD
	all	Net Change In Short Term Investments Of Proceeds Managed Collateral NetChangeInShortTermInvestmentsOfProceedsManagedCollateral	-7000000	USD
	all	Net Changein Fixed Income Term Investmentsof Proceeds Managed Collateral NetChangeinFixedIncomeTermInvestmentsofProceedsManagedCollateral	0	USD
	all	Net Changein Fixed Income Term Investmentsof Proceeds Managed Collateral NetChangeinFixedIncomeTermInvestmentsofProceedsManagedCollateral	10000000	USD
CY2016Q4	all	Notional Amount Of Counterparty Credit Exposure NotionalAmountOfCounterpartyCreditExposure	888000000	USD
CY2017Q2	all	Notional Amount Of Counterparty Credit Exposure NotionalAmountOfCounterpartyCreditExposure	915000000	USD
CY2016Q4	all	Number Of Counterparties NumberOfCounterparties	8	counter-party
CY2017Q2	all	Number Of Counterparties NumberOfCounterparties	6	counter-party
CY2015Q2	all	Numberof Defenses NumberofDefenses	2	defense
	all	Numberof Defenses NumberofDefenses	2	defense
CY2015Q4	all	Obligation To Return Collateral Securities Lending And Derivatives ObligationToReturnCollateralSecuritiesLendingAndDerivatives	840000000	USD
CY2016Q2	all	Obligation To Return Collateral Securities Lending And Derivatives ObligationToReturnCollateralSecuritiesLendingAndDerivatives	896000000	USD
CY2016Q4	all	Obligation To Return Collateral Securities Lending And Derivatives ObligationToReturnCollateralSecuritiesLendingAndDerivatives	1129000000	USD
CY2017Q2	all	Obligation To Return Collateral Securities Lending And Derivatives ObligationToReturnCollateralSecuritiesLendingAndDerivatives	1126000000	USD
CY2016Q2	all	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax Including Other Than Temporary Impairment Losses OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTaxIncludingOtherThanTemporaryImpairmentLosses	652000000	USD
	all	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax Including Other Than Temporary Impairment Losses OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTaxIncludingOtherThanTemporaryImpairmentLosses	1544000000	USD
CY2017Q2	all	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax Including Other Than Temporary Impairment Losses OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTaxIncludingOtherThanTemporaryImpairmentLosses	415000000	USD
	all	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax Including Other Than Temporary Impairment Losses OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTaxIncludingOtherThanTemporaryImpairmentLosses	727000000	USD
CY2016Q2	all	Other Comprehensive Income Loss Available For Sale Securities Including Other Than Temporary Impairment Losses Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesIncludingOtherThanTemporaryImpairmentLossesAdjustmentNetOfTax	424000000	USD
	all	Other Comprehensive Income Loss Available For Sale Securities Including Other Than Temporary Impairment Losses Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesIncludingOtherThanTemporaryImpairmentLossesAdjustmentNetOfTax	1004000000	USD
CY2017Q2	all	Other Comprehensive Income Loss Available For Sale Securities Including Other Than Temporary Impairment Losses Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesIncludingOtherThanTemporaryImpairmentLossesAdjustmentNetOfTax	270000000	USD
	all	Other Comprehensive Income Loss Available For Sale Securities Including Other Than Temporary Impairment Losses Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesIncludingOtherThanTemporaryImpairmentLossesAdjustmentNetOfTax	473000000	USD
CY2016Q2	all	Other Comprehensive Income Loss Available For Sale Securities Including Other Than Temporary Impairment Losses Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesIncludingOtherThanTemporaryImpairmentLossesTax	228000000	USD
	all	Other Comprehensive Income Loss Available For Sale Securities Including Other Than Temporary Impairment Losses Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesIncludingOtherThanTemporaryImpairmentLossesTax	540000000	USD
CY2017Q2	all	Other Comprehensive Income Loss Available For Sale Securities Including Other Than Temporary Impairment Losses Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesIncludingOtherThanTemporaryImpairmentLossesTax	145000000	USD
	all	Other Comprehensive Income Loss Available For Sale Securities Including Other Than Temporary Impairment Losses Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesIncludingOtherThanTemporaryImpairmentLossesTax	254000000	USD
CY2016Q2	all	Other Realized Capital Gains And Losses OtherRealizedCapitalGainsAndLosses	103000000	USD
	all	Other Realized Capital Gains And Losses OtherRealizedCapitalGainsAndLosses	35000000	USD
CY2017Q2	all	Other Realized Capital Gains And Losses OtherRealizedCapitalGainsAndLosses	131000000	USD
	all	Other Realized Capital Gains And Losses OtherRealizedCapitalGainsAndLosses	324000000	USD
CY2016Q2	all	Other Than Temporary Impairment Change In Credit Losses Recognized In Earnings Due To Accretion In Cash Flows And Time Value Of Cash Flows OtherThanTemporaryImpairmentChangeInCreditLossesRecognizedInEarningsDueToAccretionInCashFlowsAndTimeValueOfCashFlows	0	USD
CY2017Q2	all	Other Than Temporary Impairment Change In Credit Losses Recognized In Earnings Due To Accretion In Cash Flows And Time Value Of Cash Flows OtherThanTemporaryImpairmentChangeInCreditLossesRecognizedInEarningsDueToAccretionInCashFlowsAndTimeValueOfCashFlows	1000000	USD
	all	Other Than Temporary Impairment Change In Credit Losses Recognized In Earnings Due To Accretion In Cash Flows And Time Value Of Cash Flows OtherThanTemporaryImpairmentChangeInCreditLossesRecognizedInEarningsDueToAccretionInCashFlowsAndTimeValueOfCashFlows	1000000	USD
CY2016Q4	all	Other Than Temporary Impairment Losses Investments Portion In Accumulated Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherThanTemporaryImpairmentLossesInvestmentsPortionInAccumulatedOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-133000000	USD
CY2017Q2	all	Other Than Temporary Impairment Losses Investments Portion In Accumulated Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherThanTemporaryImpairmentLossesInvestmentsPortionInAccumulatedOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-131000000	USD
	all	Payments To Purchase Mortgage Loans PaymentsToPurchaseMortgageLoans	264000000	USD
	all	Payments To Purchase Mortgage Loans PaymentsToPurchaseMortgageLoans	148000000	USD
	all	Potential Recoveries Under Credit Risk Derivatives PotentialRecoveriesUnderCreditRiskDerivatives	0	USD
	all	Proceeds From Collection Of Mortgage Loans ProceedsFromCollectionOfMortgageLoans	150000000	USD
	all	Proceeds From Collection Of Mortgage Loans ProceedsFromCollectionOfMortgageLoans	305000000	USD
CY2017Q2	all	Reinsurance Agreements Limitations On Insurance Risk Transfer ReinsuranceAgreementsLimitationsOnInsuranceRiskTransfer	0	USD
CY2016Q4	all	Reinsurance Recoverables Asbestos ReinsuranceRecoverablesAsbestos	444000000	USD
CY2017Q2	all	Reinsurance Recoverables Asbestos ReinsuranceRecoverablesAsbestos	419000000	USD
CY2016Q4	all	Reinsurance Recoverables Environment ReinsuranceRecoverablesEnvironment	40000000	USD
CY2017Q2	all	Reinsurance Recoverables Environment ReinsuranceRecoverablesEnvironment	36000000	USD
CY2017Q2	all	Securities Pledged As Collateral To Counterparties SecuritiesPledgedAsCollateralToCounterparties	12000000	USD
CY2016Q4	all	Short Term Investments Amortized Cost ShortTermInvestmentsAmortizedCost	4288000000	USD
CY2017Q2	all	Short Term Investments Amortized Cost ShortTermInvestmentsAmortizedCost	2175000000	USD
CY2016Q4	all	Total Unrealized Gains Losses On Investments Before Taxes TotalUnrealizedGainsLossesOnInvestmentsBeforeTaxes	1770000000	USD
CY2017Q2	all	Total Unrealized Gains Losses On Investments Before Taxes TotalUnrealizedGainsLossesOnInvestmentsBeforeTaxes	2549000000	USD
CY2016Q4	all	Unrealized Gain Loss Fixed Income Securities Changes In Valuation Subsequent To Impairment UnrealizedGainLossFixedIncomeSecuritiesChangesInValuationSubsequentToImpairment	221000000	USD
CY2017Q2	all	Unrealized Gain Loss Fixed Income Securities Changes In Valuation Subsequent To Impairment UnrealizedGainLossFixedIncomeSecuritiesChangesInValuationSubsequentToImpairment	231000000	USD
CY2016Q2	all	Unrealized Gain Loss On Foreign Currency Derivatives During Term Of Hedging Relationship UnrealizedGainLossOnForeignCurrencyDerivativesDuringTermOfHedgingRelationship	2000000	USD
	all	Unrealized Gain Loss On Foreign Currency Derivatives During Term Of Hedging Relationship UnrealizedGainLossOnForeignCurrencyDerivativesDuringTermOfHedgingRelationship	2000000	USD
CY2017Q2	all	Unrealized Gain Loss On Foreign Currency Derivatives During Term Of Hedging Relationship UnrealizedGainLossOnForeignCurrencyDerivativesDuringTermOfHedgingRelationship	-1000000	USD
	all	Unrealized Gain Loss On Foreign Currency Derivatives During Term Of Hedging Relationship UnrealizedGainLossOnForeignCurrencyDerivativesDuringTermOfHedgingRelationship	-1000000	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	2017
	dei	Document Period End Date DocumentPeriodEndDate	2017-06-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000899051
CY2017Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	361359566	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	ALLSTATE CORP
CY2016Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	3776000000	USD
CY2017Q2	invest	Derivative Notional Amount DerivativeNotionalAmount	4374000000	USD
CY2016Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	567000000	USD
CY2017Q2	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	573000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1053000000	USD
CY2017Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1526000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	1419000000	USD
CY2017Q2	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	1382000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-50000000	USD
CY2017Q2	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-42000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-416000000	USD
CY2017Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	102000000	USD
CY2016Q4	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	2000000	USD
CY2017Q2	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	5000000	USD
CY2016Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	3303000000	USD
CY2017Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	3269000000	USD
	us-gaap	Additions To Contract Holders Funds AdditionsToContractHoldersFunds	522000000	USD
	us-gaap	Additions To Contract Holders Funds AdditionsToContractHoldersFunds	515000000	USD
CY2016Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4800000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4800000	shares
CY2017Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2500000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2600000	shares
CY2016Q4	us-gaap	Assets Assets	108610000000	USD
CY2017Q2	us-gaap	Assets Assets	110865000000	USD
CY2016Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	56576000000	USD
CY2017Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	56901000000	USD
CY2016Q4	us-gaap	Available For Sale Equity Securities Amortized Cost Basis AvailableForSaleEquitySecuritiesAmortizedCostBasis	5157000000	USD
CY2017Q2	us-gaap	Available For Sale Equity Securities Amortized Cost Basis AvailableForSaleEquitySecuritiesAmortizedCostBasis	5321000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1710000000	USD
CY2017Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1963000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	447000000	USD
CY2017Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	208000000	USD
	us-gaap	Available For Sale Securities Change In Net Unrealized Holding Gain Loss AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLoss	779000000	USD
	us-gaap	Available For Sale Securities Change In Net Unrealized Holding Gain Loss Net Of Tax AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax	473000000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	4226000000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	4247000000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	5086000000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	5715000000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	16870000000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	17293000000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	28770000000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	29347000000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	1949000000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	2054000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	57839000000	USD
CY2017Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	58656000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Equity Securities AvailableForSaleSecuritiesEquitySecurities	5666000000	USD
CY2017Q2	us-gaap	Available For Sale Securities Equity Securities AvailableForSaleSecuritiesEquitySecurities	6117000000	USD
	us-gaap	Available For Sale Securities Income Tax Expense On Change In Unrealized Holding Gain Or Loss AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss	254000000	USD
CY2016Q2	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	8789000000	USD
	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	17307000000	USD
CY2017Q2	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	8748000000	USD
	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	17172000000	USD
CY2015Q4	us-gaap	Cash Cash	495000000	USD
CY2016Q2	us-gaap	Cash Cash	446000000	USD
CY2016Q4	us-gaap	Cash Cash	436000000	USD
CY2017Q2	us-gaap	Cash Cash	482000000	USD
	us-gaap	Cash Period Increase Decrease CashPeriodIncreaseDecrease	-49000000	USD
	us-gaap	Cash Period Increase Decrease CashPeriodIncreaseDecrease	46000000	USD
CY2016Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	0	USD
CY2017Q2	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	3000000	USD
CY2016Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2016Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.33
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.66
CY2017Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.37
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.74
CY2016Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2017Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000.0	shares
CY2017Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000.0	shares
CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	900000000	shares
CY2017Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	900000000	shares
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	366000000	shares
CY2017Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	361000000	shares
CY2016Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	9000000	USD
CY2017Q2	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	9000000	USD
CY2016Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	716000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1567000000	USD
CY2017Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	878000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1792000000	USD
	us-gaap	Credit Derivative Term1 CreditDerivativeTerm1	P5Y
CY2016Q2	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	1126000000	USD
	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	2255000000	USD
CY2017Q2	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	1176000000	USD
	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	2345000000	USD
CY2016Q4	us-gaap	Deferred Policy Acquisition Costs And Value Of Business Acquired DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired	3954000000	USD
CY2017Q2	us-gaap	Deferred Policy Acquisition Costs And Value Of Business Acquired DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired	4037000000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	487000000	USD
CY2017Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1104000000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	188000000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	238000000	USD
CY2016Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	28000000	USD
CY2017Q2	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	14000000	USD
CY2016Q4	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	1103000000	USD
CY2017Q2	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	1083000000	USD
CY2016Q4	us-gaap	Derivative Asset Number Of Instruments Held DerivativeAssetNumberOfInstrumentsHeld	4233	contract
CY2017Q2	us-gaap	Derivative Asset Number Of Instruments Held DerivativeAssetNumberOfInstrumentsHeld	7317	contract
CY2016Q4	us-gaap	Derivative Assets DerivativeAssets	93000000	USD
CY2017Q2	us-gaap	Derivative Assets DerivativeAssets	102000000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	121000000	USD
CY2017Q2	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	116000000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	334000000	USD
CY2017Q2	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	342000000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-241000000	USD
CY2017Q2	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-229000000	USD
CY2016Q2	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-2000000	USD
	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-37000000	USD
CY2017Q2	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	11000000	USD
	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	20000000	USD
CY2016Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	334000000	USD
CY2017Q2	us-gaap	Derivative Liabilities DerivativeLiabilities	331000000	USD
CY2016Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	USD
CY2017Q2	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	11000000	USD
CY2016Q4	us-gaap	Derivative Liability Notional Amount DerivativeLiabilityNotionalAmount	2673000000	USD
CY2017Q2	us-gaap	Derivative Liability Notional Amount DerivativeLiabilityNotionalAmount	3291000000	USD
CY2016Q4	us-gaap	Derivative Liability Number Of Instruments Held DerivativeLiabilityNumberOfInstrumentsHeld	4848	contract
CY2017Q2	us-gaap	Derivative Liability Number Of Instruments Held DerivativeLiabilityNumberOfInstrumentsHeld	8896	contract
CY2016Q4	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	9081	contract
CY2017Q2	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	16213	contract
CY2016Q2	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	1000000	USD
	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	3000000	USD
CY2017Q2	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	12000000	USD
	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	14000000	USD
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.22
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.51
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.34
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.64
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.21
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.49
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.29
	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	20000000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2016Q2	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	3000000	USD
	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	-26000000	USD
CY2017Q2	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	9000000	USD
	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	23000000	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3	0	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3	0	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3	0	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3	0	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-4000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-18000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	9000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	20000000	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	14000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	17000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	1000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	9000000	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	0	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	0	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	87000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	161000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	128000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	288000000	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	2000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	25000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	98000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	101000000	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	34000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	52000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	7000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	20000000	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	31000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	60000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	33000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	60000000	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	76000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	97000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	127000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	149000000	USD
CY2015Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	973000000	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1003000000	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1019000000	USD
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	735000000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	903000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	842000000	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	7000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-8000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	3000000	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome	0	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome	0	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues	1000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues	1000000	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	0	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	0	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	0	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	0	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	2000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	4000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	1000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	3000000	USD
CY2015Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	299000000	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	313000000	USD
CY2016Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	304000000	USD
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	290000000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	286000000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	285000000	USD
CY2017Q2	us-gaap	Foreign Currency Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months	3000000	USD
CY2016Q2	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-1000000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-10000000	USD
CY2017Q2	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-8000000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-23000000	USD
CY2016Q2	us-gaap	Gain Loss On Fair Value Hedge Ineffectiveness Net GainLossOnFairValueHedgeIneffectivenessNet	0	USD
	us-gaap	Gain Loss On Fair Value Hedge Ineffectiveness Net GainLossOnFairValueHedgeIneffectivenessNet	0	USD
CY2017Q2	us-gaap	Gain Loss On Fair Value Hedge Ineffectiveness Net GainLossOnFairValueHedgeIneffectivenessNet	0	USD
	us-gaap	Gain Loss On Fair Value Hedge Ineffectiveness Net GainLossOnFairValueHedgeIneffectivenessNet	0	USD
CY2016Q2	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	104000000	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	45000000	USD
CY2017Q2	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	139000000	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	347000000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	1219000000	USD
CY2017Q2	us-gaap	Goodwill Goodwill	2309000000	USD
CY2016Q2	us-gaap	Impairment Of Investments ImpairmentOfInvestments	77000000	USD
	us-gaap	Impairment Of Investments ImpairmentOfInvestments	168000000	USD
CY2017Q2	us-gaap	Impairment Of Investments ImpairmentOfInvestments	47000000	USD
	us-gaap	Impairment Of Investments ImpairmentOfInvestments	109000000	USD
CY2016Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	105000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	214000000	USD
CY2017Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	272000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	589000000	USD
	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	72000000	USD
	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	65000000	USD
	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	-176000000	USD
	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	-42000000	USD
	us-gaap	Increase Decrease In Insurance Liabilities IncreaseDecreaseInInsuranceLiabilities	577000000	USD
	us-gaap	Increase Decrease In Insurance Liabilities IncreaseDecreaseInInsuranceLiabilities	228000000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	88000000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	393000000	USD
	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	27000000	USD
	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	51000000	USD
	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	120000000	USD
	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	-6000000	USD
	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	52000000	USD
	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	62000000	USD
	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	34000000	USD
CY2016Q2	us-gaap	Incurred Claims Property Casualty And Liability IncurredClaimsPropertyCasualtyAndLiability	5901000000	USD
	us-gaap	Incurred Claims Property Casualty And Liability IncurredClaimsPropertyCasualtyAndLiability	11585000000	USD
CY2017Q2	us-gaap	Incurred Claims Property Casualty And Liability IncurredClaimsPropertyCasualtyAndLiability	5689000000	USD
	us-gaap	Incurred Claims Property Casualty And Liability IncurredClaimsPropertyCasualtyAndLiability	11105000000	USD
CY2016Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	803000000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1578000000	USD
CY2017Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	945000000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1744000000	USD
CY2016Q2	us-gaap	Interest Credited To Policyholders Account Balances InterestCreditedToPolicyholdersAccountBalances	185000000	USD
	us-gaap	Interest Credited To Policyholders Account Balances InterestCreditedToPolicyholdersAccountBalances	375000000	USD
CY2017Q2	us-gaap	Interest Credited To Policyholders Account Balances InterestCreditedToPolicyholdersAccountBalances	175000000	USD
	us-gaap	Interest Credited To Policyholders Account Balances InterestCreditedToPolicyholdersAccountBalances	348000000	USD
CY2016Q2	us-gaap	Interest Expense InterestExpense	72000000	USD
	us-gaap	Interest Expense InterestExpense	145000000	USD
CY2017Q2	us-gaap	Interest Expense InterestExpense	83000000	USD
	us-gaap	Interest Expense InterestExpense	168000000	USD
CY2016Q2	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	41000000	USD
	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	85000000	USD
CY2017Q2	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	48000000	USD
	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	99000000	USD
CY2016Q4	us-gaap	Investments Investments	81799000000	USD
CY2017Q2	us-gaap	Investments Investments	81305000000	USD
CY2016Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	5814000000	USD
CY2017Q2	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	6206000000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	88037000000	USD
CY2017Q2	us-gaap	Liabilities Liabilities	89364000000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	108610000000	USD
CY2017Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	110865000000	USD
	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	34000000	USD
CY2016Q4	us-gaap	Liability For Claims And Claims Adjustment Expense Property Casualty Liability LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability	25250000000	USD
CY2017Q2	us-gaap	Liability For Claims And Claims Adjustment Expense Property Casualty Liability LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability	25884000000	USD
CY2016Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	12239000000	USD
CY2017Q2	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	12234000000	USD
CY2016Q4	us-gaap	Long Term Debt LongTermDebt	6347000000	USD
CY2017Q2	us-gaap	Long Term Debt LongTermDebt	6348000000	USD
CY2001	us-gaap	Loss Contingency New Claims Filed Number LossContingencyNewClaimsFiledNumber	2	case
CY2007Q4	us-gaap	Loss Contingency New Claims Filed Number LossContingencyNewClaimsFiledNumber	2	claim
	us-gaap	Loss Contingency New Claims Filed Number LossContingencyNewClaimsFiledNumber	2	claim
CY2001	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	32	employee
CY2015Q1	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	460	plaintiff
CY2015Q2	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	10	plaintiff
CY2016Q2	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	498	plaintiff
CY2016Q3	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	118	plaintiff
CY2016Q4	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	1	plaintiff
CY2017Q1	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	3	case
	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	10	plaintiff
CY2017Q2	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	118	plaintiff
CY2017Q2	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	118	plaintiff
CY2017Q2	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	4	plaintiff
CY2017Q2	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	2	plaintiff
CY2017Q2	us-gaap	Margin Deposit Assets MarginDepositAssets	23000000	USD
CY2016Q4	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	4486000000	USD
CY2017Q2	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	4336000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1583000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1359000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	176000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	57000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1358000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1348000000	USD
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	271000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	517000000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	579000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	1274000000	USD
CY2016Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	242000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	459000000	USD
CY2017Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	550000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1216000000	USD
CY2016Q2	us-gaap	Net Investment Income NetInvestmentIncome	762000000	USD
	us-gaap	Net Investment Income NetInvestmentIncome	1493000000	USD
CY2017Q2	us-gaap	Net Investment Income NetInvestmentIncome	897000000	USD
	us-gaap	Net Investment Income NetInvestmentIncome	1645000000	USD
CY2016Q4	us-gaap	Other Assets OtherAssets	1835000000	USD
CY2017Q2	us-gaap	Other Assets OtherAssets	3256000000	USD
CY2016Q2	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	684000000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	1614000000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	458000000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	794000000	USD
CY2016Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	7000000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	29000000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	17000000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	12000000	USD
CY2016Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	5000000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	19000000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	11000000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	8000000	USD
CY2016Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	2000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	6000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	445000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1050000000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	299000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	-1000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	3000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	-1000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	1000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-25000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-26000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-16000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-18000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Before Reclassification Adjustments Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax	0	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Before Reclassification Adjustments Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax	2000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-9000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-8000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	11000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	64000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	7000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	42000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	4000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	22000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	24000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	29000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	15000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	19000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	9000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	10000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	239000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	159000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	663000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	479000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	431000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	312000000	USD
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CY2016Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	232000000	USD
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CY2017Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	167000000	USD
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CY2016Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	1040000000	USD
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CY2017Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	1086000000	USD
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CY2016Q4	us-gaap	Other Investments OtherInvestments	3706000000	USD
CY2017Q2	us-gaap	Other Investments OtherInvestments	3815000000	USD
CY2016Q4	us-gaap	Other Liabilities OtherLiabilities	6599000000	USD
CY2017Q2	us-gaap	Other Liabilities OtherLiabilities	6583000000	USD
CY2016Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	3000000	USD
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CY2017Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	6000000	USD
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CY2016Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	0	USD
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CY2017Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	1000000	USD
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CY2015Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	392000000	USD
CY2016Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	350000000	USD
CY2016Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	331000000	USD
CY2016Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	318000000	USD
CY2017Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	294000000	USD
CY2017Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	281000000	USD
CY2016Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	22000000	USD
	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	80000000	USD
CY2017Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	19000000	USD
	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	56000000	USD
CY2016Q2	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-2000000	USD
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CY2017Q2	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-3000000	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	0	USD
CY2016Q2	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	79000000	USD
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CY2017Q2	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	50000000	USD
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	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	904000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	657000000	USD
	us-gaap	Payments For Restructuring PaymentsForRestructuring	6000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	240000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	257000000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	58000000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	58000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	12947000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	17214000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	2672000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	3473000000	USD
	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	703000000	USD
	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	578000000	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	449000000	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	532000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	120000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	146000000	USD
CY2016Q4	us-gaap	Policyholder Contract Deposits PolicyholderContractDeposits	20260000000	USD
CY2017Q2	us-gaap	Policyholder Contract Deposits PolicyholderContractDeposits	19832000000	USD
CY2016Q2	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	29000000	USD
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CY2017Q2	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	29000000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	58000000	USD
CY2016Q4	us-gaap	Preferred Stock Including Additional Paid In Capital PreferredStockIncludingAdditionalPaidInCapital	1746000000	USD
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CY2016Q4	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	1805000000	USD
CY2017Q2	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	1805000000	USD
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CY2016Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2017Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2016Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	72200	shares
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CY2016Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	72200	shares
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CY2016Q2	us-gaap	Premiums Earned Net Property And Casualty PremiumsEarnedNetPropertyAndCasualty	7814000000	USD
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CY2017Q2	us-gaap	Premiums Earned Net Property And Casualty PremiumsEarnedNetPropertyAndCasualty	8018000000	USD
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CY2016Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	5597000000	USD
CY2017Q2	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	5693000000	USD
	us-gaap	Proceeds From Divestiture Of Interest In Subsidiaries And Affiliates ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates	363000000	USD
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	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	72000000	USD
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	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	14521000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	2487000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	3430000000	USD
	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	144000000	USD
	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	118000000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1065000000	USD
CY2017Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1072000000	USD
CY2016Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	24000000	USD
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-125000000	USD
CY2017Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	81000000	USD
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	215000000	USD
CY2016Q4	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	8745000000	USD
CY2017Q2	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	8722000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	16000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2016Q2	us-gaap	Restructuring Charges RestructuringCharges	11000000	USD
	us-gaap	Restructuring Charges RestructuringCharges	16000000	USD
CY2017Q2	us-gaap	Restructuring Charges RestructuringCharges	53000000	USD
	us-gaap	Restructuring Charges RestructuringCharges	63000000	USD
CY2016Q4	us-gaap	Restructuring Reserve RestructuringReserve	2000000	USD
CY2017Q2	us-gaap	Restructuring Reserve RestructuringReserve	48000000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	40678000000	USD
CY2017Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	41622000000	USD
CY2016Q2	us-gaap	Revenues Revenues	9164000000	USD
	us-gaap	Revenues Revenues	18035000000	USD
CY2017Q2	us-gaap	Revenues Revenues	9587000000	USD
	us-gaap	Revenues Revenues	19021000000	USD
CY2016Q4	us-gaap	Separate Account Assets SeparateAccountAssets	3393000000	USD
CY2017Q2	us-gaap	Separate Account Assets SeparateAccountAssets	3416000000	USD
CY2016Q4	us-gaap	Separate Accounts Liability SeparateAccountsLiability	3393000000	USD
CY2017Q2	us-gaap	Separate Accounts Liability SeparateAccountsLiability	3416000000	USD
CY2016Q4	us-gaap	Short Term Investments ShortTermInvestments	4288000000	USD
CY2017Q2	us-gaap	Short Term Investments ShortTermInvestments	2175000000	USD
	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	39000000	USD
	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	42000000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	20573000000	USD
CY2017Q2	us-gaap	Stockholders Equity StockholdersEquity	21501000000	USD
CY2016Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	20553000000	USD
CY2017Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	21501000000	USD
	us-gaap	Transfer Of Investments TransferOfInvestments	270000000	USD
	us-gaap	Transfer Of Investments TransferOfInvestments	9000000	USD
CY2016Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	534000000	shares
CY2017Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	539000000	shares
CY2016Q4	us-gaap	Treasury Stock Value TreasuryStockValue	24741000000	USD
CY2017Q2	us-gaap	Treasury Stock Value TreasuryStockValue	25241000000	USD
CY2016Q4	us-gaap	Unearned Esop Shares UnearnedESOPShares	6000000	USD
CY2017Q2	us-gaap	Unearned Esop Shares UnearnedESOPShares	6000000	USD
CY2016Q4	us-gaap	Unearned Premiums UnearnedPremiums	12583000000	USD
CY2017Q2	us-gaap	Unearned Premiums UnearnedPremiums	13024000000	USD
CY2016Q2	us-gaap	Unrealized Gain Loss On Foreign Currency Derivatives Net Before Tax UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax	1000000	USD
	us-gaap	Unrealized Gain Loss On Foreign Currency Derivatives Net Before Tax UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax	-1000000	USD
CY2017Q2	us-gaap	Unrealized Gain Loss On Foreign Currency Derivatives Net Before Tax UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax	0	USD
	us-gaap	Unrealized Gain Loss On Foreign Currency Derivatives Net Before Tax UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax	-2000000	USD
CY2016Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	378100000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	380500000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	369000000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	370100000	shares
CY2016Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	373600000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	375800000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	363600000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	364600000	shares
	us-gaap	Withdrawal From Contract Holders Funds WithdrawalFromContractHoldersFunds	1013000000	USD
	us-gaap	Withdrawal From Contract Holders Funds WithdrawalFromContractHoldersFunds	957000000	USD
	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:0px;text-align:justify;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Activity in the reserve for property-liability insurance claims and claims expense is summarized as follows:</font></div><div style="line-height:120%;padding-bottom:0px;text-align:center;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;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="8" rowspan="1"></td></tr><tr><td style="width:71%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:12%;" 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:12%;" 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:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">($ in millions)</font></div></td><td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Six months ended June 30,</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="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;border-top:1px solid #000000;" rowspan="1"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">2017</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:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">2016</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Balance as of January 1</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">25,250</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">23,869</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:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Less reinsurance recoverables</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">6,184</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">5,892</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Net balance as of January 1</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">19,066</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">17,977</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">SquareTrade acquisition as of January 3, 2017</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">17</font></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">—</font></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Incurred claims and claims expense related to:</font></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Current 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:10pt;"><font style="font-family:inherit;font-size:10pt;">11,291</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">11,564</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Prior years</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(186</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">21</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:36px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Total incurred</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">11,105</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">11,585</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Claims and claims expense paid related to:</font></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Current 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:10pt;"><font style="font-family:inherit;font-size:10pt;">6,060</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">6,138</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Prior years</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4,450</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4,553</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:36px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Total paid</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">10,510</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">10,691</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Net balance as of June 30</font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">19,678</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">18,871</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:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Plus reinsurance recoverables</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">6,206</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">6,033</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Balance as of June 30</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">25,884</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">24,904</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr></table></div></div></div>

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0000899051-17-000044-index.html	Edgar Link	pending
0000899051-17-000044.txt	Edgar Link	pending
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all-20170630.xml	Edgar Link	completed
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allstatebrandcolor.jpg	Edgar Link	pending
allstatelogohands01.jpg	Edgar Link	pending
encompass.jpg	Edgar Link	pending
esurancelogo1.jpg	Edgar Link	pending
exhibit102rsuawardforgrant.htm	Edgar Link	pending
exhibit103image.jpg	Edgar Link	pending
exhibit103offerletter.htm	Edgar Link	pending
exhibit15allcorp63017.htm	Edgar Link	pending
exhibit31iallcorp63017.htm	Edgar Link	pending
exhibit32allcorp63017.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending
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ALLSTATE CORP Stock $all

2017 Q2 Form 10-Q Financial Statement

#000089905117000044 Filed on August 01, 2017

Income Statement

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Facts In Submission

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$ALL ALLSTATE CORP Stock $all

2017 Q2 Form 10-Q Financial Statement

#000089905117000044 Filed on August 01, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ALL
ALLSTATE CORP Stock $all