$ALL
ALLSTATE CORP Stock $all

$all Overview Financials Valuation SEC Filings Company Website

2017 Q1 Form 10-Q Financial Statement

#000089905117000012 Filed on May 02, 2017

Income Statement

Concept	2017 Q1	2016 Q1
Revenue	$9.644B	$8.871B
YoY Change	8.71%	-0.9%
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	$1.169B	$1.129B
YoY Change	3.54%	5.51%
% of Gross Profit
Operating Expenses	$8.329B	$8.440B
YoY Change	-1.32%	8.3%
Operating Profit
YoY Change
Interest Expense	$85.00M	$73.00M
YoY Change	16.44%	0.0%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$1.012B	$355.0M
YoY Change	185.07%	-67.16%
Income Tax	$317.0M	$109.0M
% Of Pretax Income	31.32%	30.7%
Net Earnings	$695.0M	$246.0M
YoY Change	182.52%	-63.66%
Net Earnings / Revenue	7.21%	2.77%
Basic Earnings Per Share	$2.15	$0.57
Diluted Earnings Per Share	$2.11	$0.57
COMMON SHARES
Basic Shares Outstanding	365.7M shares	378.1M shares
Diluted Shares Outstanding	371.3M shares	382.9M shares

Balance Sheet

Concept	2017 Q1	2016 Q1
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	$1.067B	$1.011B
YoY Change	5.54%	-1.46%
Goodwill	$2.295B	$1.219B
YoY Change	88.27%	0.0%
Intangibles
YoY Change
Long-Term Investments	$81.05B	$78.83B
YoY Change	2.82%	-1.9%
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$110.2B	$105.9B
YoY Change	4.05%	-1.96%
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	$6.346B	$5.108B
YoY Change	24.24%	-1.66%
Other Long-Term Liabilities	$7.304B	$6.017B
YoY Change	21.39%	0.94%
Total Long-Term Liabilities	$13.65B	$11.13B
YoY Change	22.7%	-0.27%
TOTAL LIABILITIES
Total Short-Term Liabilities
Total Long-Term Liabilities	$13.65B	$11.13B
Total Liabilities	$89.09B	$85.61B
YoY Change	4.06%	-0.32%
SHAREHOLDERS EQUITY
Retained Earnings	$41.21B	$39.51B
YoY Change	4.31%	2.98%
Common Stock	$3.285B	$3.237B
YoY Change	1.48%	4.12%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$24.89B	$23.99B
YoY Change	3.72%	10.07%
Treasury Stock Shares	535.0M shares	525.0M shares
Shareholders Equity	$21.16B	$20.34B
YoY Change
Total Liabilities & Shareholders Equity	$110.2B	$105.9B
YoY Change	4.05%	-1.96%

Cashflow Statement

Concept	2017 Q1	2016 Q1
OPERATING ACTIVITIES
Net Income	$695.0M	$246.0M
YoY Change	182.52%	-63.66%
Depreciation, Depletion And Amortization	$1.169B	$1.129B
YoY Change	3.54%	5.51%
Cash From Operating Activities	$857.0M	$714.0M
YoY Change	20.03%	26.15%
INVESTING ACTIVITIES
Capital Expenditures	$74.00M	$52.00M
YoY Change	42.31%	-11.86%
Acquisitions
YoY Change
Other Investing Activities	$10.00M	$19.00M
YoY Change	-47.37%	-1050.0%
Cash From Investing Activities	-$280.0M	$96.00M
YoY Change	-391.67%	-91.05%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$264.0M	$456.0M
YoY Change	-42.11%	-54.85%
Debt Paid & Issued, Net	$0.00	$16.00M
YoY Change	-100.0%
Cash From Financing Activities	-$571.0M	-$774.0M
YoY Change	-26.23%	-43.91%
NET CHANGE
Cash From Operating Activities	$857.0M	$714.0M
Cash From Investing Activities	-$280.0M	$96.00M
Cash From Financing Activities	-$571.0M	-$774.0M
Net Change In Cash	$6.000M	$36.00M
YoY Change	-83.33%	-86.1%
FREE CASH FLOW
Cash From Operating Activities	$857.0M	$714.0M
Capital Expenditures	$74.00M	$52.00M
Free Cash Flow	$783.0M	$662.0M
YoY Change	18.28%	30.57%

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
CY2017Q1	all	Accumulated Other Comprehensive Income Loss Other Unrealized Net Capital Gains And Losses AccumulatedOtherComprehensiveIncomeLossOtherUnrealizedNetCapitalGainsAndLosses	1304000000	USD
CY2016Q4	all	Accumulated Other Comprehensive Income Loss Otherthan Temporary Impairment Not Credit Loss Netof Tax AccumulatedOtherComprehensiveIncomeLossOtherthanTemporaryImpairmentNotCreditLossNetofTax	-57000000	USD
CY2017Q1	all	Accumulated Other Comprehensive Income Loss Otherthan Temporary Impairment Not Credit Loss Netof Tax AccumulatedOtherComprehensiveIncomeLossOtherthanTemporaryImpairmentNotCreditLossNetofTax	-59000000	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
CY2017Q1	all	Accumulated Other Comprehensive Income Loss Unrealized Adjustment To Deferred Policy Acquisition Costs Deferred Sales Inducement Costs And Insurance Reserves AccumulatedOtherComprehensiveIncomeLossUnrealizedAdjustmentToDeferredPolicyAcquisitionCostsDeferredSalesInducementCostsAndInsuranceReserves	-107000000	USD
CY2016Q1	all	Antidilutive Securities Excluded From Computation Of Earning Per Share Exercise Price Range Higher AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareExercisePriceRangeHigher	71.29
CY2017Q1	all	Antidilutive Securities Excluded From Computation Of Earning Per Share Exercise Price Range Higher AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareExercisePriceRangeHigher	81.86
CY2016Q1	all	Antidilutive Securities Excluded From Computation Of Earning Per Share Exercise Price Range Lower AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareExercisePriceRangeLower	52.18
CY2017Q1	all	Antidilutive Securities Excluded From Computation Of Earning Per Share Exercise Price Range Lower AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareExercisePriceRangeLower	67.81
CY2016Q4	all	Assets As Percent Of Assets Measured At Fair Value AssetsAsPercentOfAssetsMeasuredAtFairValue	0.000
CY2017Q1	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
CY2017Q1	all	Available For Sale Equity Securities Unrealized Gain Included In Other Comprehensive Income AvailableForSaleEquitySecuritiesUnrealizedGainIncludedInOtherComprehensiveIncome	714000000	USD
CY2016Q4	all	Available For Sale Equity Securities Unrealized Gain Loss Included In Other Comprehensive Income AvailableForSaleEquitySecuritiesUnrealizedGainLossIncludedInOtherComprehensiveIncome	509000000	USD
CY2017Q1	all	Available For Sale Equity Securities Unrealized Gain Loss Included In Other Comprehensive Income AvailableForSaleEquitySecuritiesUnrealizedGainLossIncludedInOtherComprehensiveIncome	659000000	USD
CY2016Q4	all	Available For Sale Fixed Income Securities Unrealized Gain Loss Included In Other Comprehensive Income AvailableForSaleFixedIncomeSecuritiesUnrealizedGainLossIncludedInOtherComprehensiveIncome	1263000000	USD
CY2016Q4	all	Claim Payments Outstanding ClaimPaymentsOutstanding	879000000	USD
CY2017Q1	all	Claim Payments Outstanding ClaimPaymentsOutstanding	845000000	USD
CY2016Q4	all	Available For Sale Equity Securities Unrealized Loss Included In Other Comprehensive Income AvailableForSaleEquitySecuritiesUnrealizedLossIncludedInOtherComprehensiveIncome	85000000	USD
CY2017Q1	all	Available For Sale Equity Securities Unrealized Loss Included In Other Comprehensive Income AvailableForSaleEquitySecuritiesUnrealizedLossIncludedInOtherComprehensiveIncome	55000000	USD
CY2016Q4	all	Available For Sale Fixed Income Securities Unrealized Gain Included In Other Comprehensive Income AvailableForSaleFixedIncomeSecuritiesUnrealizedGainIncludedInOtherComprehensiveIncome	1710000000	USD
CY2017Q1	all	Available For Sale Fixed Income Securities Unrealized Gain Included In Other Comprehensive Income AvailableForSaleFixedIncomeSecuritiesUnrealizedGainIncludedInOtherComprehensiveIncome	1774000000	USD
CY2017Q1	all	Available For Sale Fixed Income Securities Unrealized Gain Loss Included In Other Comprehensive Income AvailableForSaleFixedIncomeSecuritiesUnrealizedGainLossIncludedInOtherComprehensiveIncome	1442000000	USD
CY2016Q4	all	Available For Sale Fixed Income Securities Unrealized Loss Included In Other Comprehensive Income AvailableForSaleFixedIncomeSecuritiesUnrealizedLossIncludedInOtherComprehensiveIncome	447000000	USD
CY2017Q1	all	Available For Sale Fixed Income Securities Unrealized Loss Included In Other Comprehensive Income AvailableForSaleFixedIncomeSecuritiesUnrealizedLossIncludedInOtherComprehensiveIncome	332000000	USD
CY2017Q1	all	Available For Sale Securities Debt Maturities With Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithSingleMaturityDateAmortizedCost	55137000000	USD
CY2017Q1	all	Available For Sale Securities Debt Maturities With Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithSingleMaturityDateFairValue	56488000000	USD
CY2017Q1	all	Available For Sale Securities Unrealized Losses Having Loss Of Less Than Twenty Percent AvailableForSaleSecuritiesUnrealizedLossesHavingLossOfLessThanTwentyPercent	314000000	USD
CY2017Q1	all	Available For Sale Securities Unrealized Losses Having Loss Of Twenty Percent Or Higher AvailableForSaleSecuritiesUnrealizedLossesHavingLossOfTwentyPercentOrHigher	73000000	USD
CY2016Q4	all	Availableforsale Shortterm Investments Unrealized Gain Includedin Other Comprehensive Income AvailableforsaleShorttermInvestmentsUnrealizedGainIncludedinOtherComprehensiveIncome	0	USD
CY2017Q1	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
CY2017Q1	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
CY2017Q1	all	Availableforsale Shortterm Investments Unrealized Loss Includedin Other Comprehensive Income AvailableforsaleShorttermInvestmentsUnrealizedLossIncludedinOtherComprehensiveIncome	0	USD
CY2017Q1	all	Cash And Securities Pledged As Collateral From Counterparties CashAndSecuritiesPledgedAsCollateralFromCounterparties	9000000	USD
CY2017Q1	all	Change In Deferred Acquisition Policy Costs And Deferred Sales Inducement Cost Impact On Accumulated Other Comprehensive Income ChangeInDeferredAcquisitionPolicyCostsAndDeferredSalesInducementCostImpactOnAccumulatedOtherComprehensiveIncome	-19000000	USD
CY2017Q1	all	Change In Insurance Reserves Impact On Accumulated Other Comprehensive Income ChangeInInsuranceReservesImpactOnAccumulatedOtherComprehensiveIncome	0	USD
CY2016Q1	all	Change In Intent Write Downs ChangeInIntentWriteDowns	22000000	USD
CY2017Q1	all	Change In Intent Write Downs ChangeInIntentWriteDowns	16000000	USD
CY2017Q1	all	Collateral Already Posted Aggregate Fair Value Without Credit Risk Contingent Features CollateralAlreadyPostedAggregateFairValueWithoutCreditRiskContingentFeatures	19000000	USD
CY2016Q4	all	Counterparty And Cash Collateral Netting As Percent Of Liabilities Measured At Fair Value CounterpartyAndCashCollateralNettingAsPercentOfLiabilitiesMeasuredAtFairValue	-0.084
CY2017Q1	all	Counterparty And Cash Collateral Netting As Percent Of Liabilities Measured At Fair Value CounterpartyAndCashCollateralNettingAsPercentOfLiabilitiesMeasuredAtFairValue	-0.068
CY2016Q4	all	Counterparty Credit Exposure CounterpartyCreditExposure	23000000	USD
CY2017Q1	all	Counterparty Credit Exposure CounterpartyCreditExposure	9000000	USD
CY2016Q4	all	Credit Derivative Exposure Net Of Collateral CreditDerivativeExposureNetOfCollateral	12000000	USD
CY2017Q1	all	Credit Derivative Exposure Net Of Collateral CreditDerivativeExposureNetOfCollateral	2000000	USD
CY2017Q1	all	Credit Index Number Of Reference Entities CreditIndexNumberOfReferenceEntities	125	entity
CY2016Q4	all	Deferred Income Taxes Recognized In Accumulated Other Comprehensive Income DeferredIncomeTaxesRecognizedInAccumulatedOtherComprehensiveIncome	571000000	USD
CY2017Q1	all	Deferred Income Taxes Recognized In Accumulated Other Comprehensive Income DeferredIncomeTaxesRecognizedInAccumulatedOtherComprehensiveIncome	680000000	USD
CY2016Q4	all	Deferred Policy Acquisition Costs And Deferred Sales Inducement Costs And Insurance Reserves Recognized In Accumulated Other Comprehensive Income DeferredPolicyAcquisitionCostsAndDeferredSalesInducementCostsAndInsuranceReservesRecognizedInAccumulatedOtherComprehensiveIncome	-146000000	USD
CY2017Q1	all	Deferred Policy Acquisition Costs And Deferred Sales Inducement Costs And Insurance Reserves Recognized In Accumulated Other Comprehensive Income DeferredPolicyAcquisitionCostsAndDeferredSalesInducementCostsAndInsuranceReservesRecognizedInAccumulatedOtherComprehensiveIncome	-165000000	USD
CY2016Q4	all	Deferred Policy Acquisition Costs And Deferred Sales Inducement Costs Recognized In Accumulated Other Comprehensive Income DeferredPolicyAcquisitionCostsAndDeferredSalesInducementCostsRecognizedInAccumulatedOtherComprehensiveIncome	-146000000	USD
CY2017Q1	all	Deferred Policy Acquisition Costs And Deferred Sales Inducement Costs Recognized In Accumulated Other Comprehensive Income DeferredPolicyAcquisitionCostsAndDeferredSalesInducementCostsRecognizedInAccumulatedOtherComprehensiveIncome	-165000000	USD
CY2016Q4	all	Derivative Asset Net Of Offsets And Securities Collateral DerivativeAssetNetOfOffsetsAndSecuritiesCollateral	9000000	USD
CY2017Q1	all	Derivative Asset Net Of Offsets And Securities Collateral DerivativeAssetNetOfOffsetsAndSecuritiesCollateral	13000000	USD
CY2016Q4	all	Derivative Gross Asset Fair Value With Credit Risk Contingent Features DerivativeGrossAssetFairValueWithCreditRiskContingentFeatures	7000000	USD
CY2017Q1	all	Derivative Gross Asset Fair Value With Credit Risk Contingent Features DerivativeGrossAssetFairValueWithCreditRiskContingentFeatures	9000000	USD
CY2016Q4	all	Derivative Gross Liability Fair Value Credit Risk Contingent Features DerivativeGrossLiabilityFairValueCreditRiskContingentFeatures	9000000	USD
CY2017Q1	all	Derivative Gross Liability Fair Value Credit Risk Contingent Features DerivativeGrossLiabilityFairValueCreditRiskContingentFeatures	11000000	USD
CY2016Q4	all	Derivative Instruments Unrealized Gain Included In Other Comprehensive Income DerivativeInstrumentsUnrealizedGainIncludedInOtherComprehensiveIncome	5000000	USD
CY2017Q1	all	Derivative Instruments Unrealized Gain Included In Other Comprehensive Income DerivativeInstrumentsUnrealizedGainIncludedInOtherComprehensiveIncome	3000000	USD
CY2016Q4	all	Derivative Instruments Unrealized Loss Included In Other Comprehensive Income DerivativeInstrumentsUnrealizedLossIncludedInOtherComprehensiveIncome	3000000	USD
CY2017Q1	all	Derivative Instruments Unrealized Loss Included In Other Comprehensive Income DerivativeInstrumentsUnrealizedLossIncludedInOtherComprehensiveIncome	3000000	USD
CY2016Q1	all	Income Loss From Operations Before Income Tax Expense Benefit IncomeLossFromOperationsBeforeIncomeTaxExpenseBenefit	355000000	USD
CY2017Q1	all	Income Loss From Operations Before Income Tax Expense Benefit IncomeLossFromOperationsBeforeIncomeTaxExpenseBenefit	1012000000	USD
CY2016Q4	all	Derivative Instruments Unrealized Gain Loss Included In Other Comprehensive Income DerivativeInstrumentsUnrealizedGainLossIncludedInOtherComprehensiveIncome	2000000	USD
CY2017Q1	all	Derivative Instruments Unrealized Gain Loss Included In Other Comprehensive Income DerivativeInstrumentsUnrealizedGainLossIncludedInOtherComprehensiveIncome	0	USD
CY2016Q4	all	Derivative Liability Counterparty Netting And Collateral Right To Reclaim Cash Offset DerivativeLiabilityCounterpartyNettingAndCollateralRightToReclaimCashOffset	28000000	USD
CY2017Q1	all	Derivative Liability Counterparty Netting And Collateral Right To Reclaim Cash Offset DerivativeLiabilityCounterpartyNettingAndCollateralRightToReclaimCashOffset	23000000	USD
CY2016Q4	all	Equity Method Investments Unrealized Loss Included In Other Comprehensive Income EquityMethodInvestmentsUnrealizedLossIncludedInOtherComprehensiveIncome	-4000000	USD
CY2017Q1	all	Equity Method Investments Unrealized Loss Included In Other Comprehensive Income EquityMethodInvestmentsUnrealizedLossIncludedInOtherComprehensiveIncome	0	USD
CY2016Q1	all	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss Included In Earnings FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInEarnings	-27000000	USD
CY2017Q1	all	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss Included In Earnings FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInEarnings	10000000	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
CY2017Q1	all	Fair Value Of Derivative Instruments With Unrealized Net Capital Gain Loss FairValueOfDerivativeInstrumentsWithUnrealizedNetCapitalGainLoss	3000000	USD
CY2017Q1	all	Fair Value Of Derivative Liabilities With Unrealized Net Capital Gain Loss FairValueOfDerivativeLiabilitiesWithUnrealizedNetCapitalGainLoss	-3000000	USD
CY2016Q1	all	Free Standing Derivative Assets Fair Value Disclosure FreeStandingDerivativeAssetsFairValueDisclosure	1000000	USD
CY2017Q1	all	Free Standing Derivative Assets Fair Value Disclosure FreeStandingDerivativeAssetsFairValueDisclosure	1000000	USD
CY2016Q1	all	Free Standing Derivative Liabilities Fair Value Disclosure FreeStandingDerivativeLiabilitiesFairValueDisclosure	9000000	USD
CY2017Q1	all	Free Standing Derivative Liabilities Fair Value Disclosure FreeStandingDerivativeLiabilitiesFairValueDisclosure	2000000	USD
CY2016Q1	all	Impairment Write Down ImpairmentWriteDown	59000000	USD
CY2017Q1	all	Impairment Write Down ImpairmentWriteDown	43000000	USD
CY2017Q1	all	Increase Decrease In Amounts Recognized In Insurance Reserves Deferred Acquisition Policy Costs And Deferred Sales Inducement Cost In Accumulated Other Comprehensive Income IncreaseDecreaseInAmountsRecognizedInInsuranceReservesDeferredAcquisitionPolicyCostsAndDeferredSalesInducementCostInAccumulatedOtherComprehensiveIncome	-19000000	USD
CY2016Q1	all	Incremental Common Shares Attributable To Employee Stock Options IncrementalCommonSharesAttributableToEmployeeStockOptions	3400000	shares
CY2017Q1	all	Incremental Common Shares Attributable To Employee Stock Options IncrementalCommonSharesAttributableToEmployeeStockOptions	4200000	shares
CY2016Q1	all	Incremental Common Shares Attributable To Restricted Stock Units IncrementalCommonSharesAttributableToRestrictedStockUnits	1400000	shares
CY2017Q1	all	Incremental Common Shares Attributable To Restricted Stock Units IncrementalCommonSharesAttributableToRestrictedStockUnits	1400000	shares
CY2016Q4	all	Insurance Reserves Recognized In Accumulated Other Comprehensive Income InsuranceReservesRecognizedInAccumulatedOtherComprehensiveIncome	0	USD
CY2017Q1	all	Insurance Reserves Recognized In Accumulated Other Comprehensive Income InsuranceReservesRecognizedInAccumulatedOtherComprehensiveIncome	0	USD
CY2016Q4	all	Liability For Asbestos Claims Net LiabilityForAsbestosClaimsNet	912000000	USD
CY2017Q1	all	Liability For Asbestos Claims Net LiabilityForAsbestosClaimsNet	891000000	USD
CY2016Q4	all	Liability For Environmental Claims Net LiabilityForEnvironmentalClaimsNet	179000000	USD
CY2017Q1	all	Liability For Environmental Claims Net LiabilityForEnvironmentalClaimsNet	178000000	USD
CY2016Q1	all	Life And Annuity Contract Benefits Net Of Reinsurance Recoveries LifeAndAnnuityContractBenefitsNetOfReinsuranceRecoveries	455000000	USD
CY2017Q1	all	Life And Annuity Contract Benefits Net Of Reinsurance Recoveries LifeAndAnnuityContractBenefitsNetOfReinsuranceRecoveries	474000000	USD
CY2016Q1	all	Life And Annuity Premiums And Contract Charges Net Of Reinsurance Ceded LifeAndAnnuityPremiumsAndContractChargesNetOfReinsuranceCeded	566000000	USD
CY2017Q1	all	Life And Annuity Premiums And Contract Charges Net Of Reinsurance Ceded LifeAndAnnuityPremiumsAndContractChargesNetOfReinsuranceCeded	593000000	USD
CY2017Q1	all	Loss Contingency Numberof Claims Lossis Not Probable LossContingencyNumberofClaimsLossisNotProbable	3	claim
CY2015Q4	all	Loss Contingency Numberof Trials LossContingencyNumberofTrials	2	trial
CY2016Q1	all	Net Cash Provided By Used In Operating Activities Liabilities For Collateral NetCashProvidedByUsedInOperatingActivitiesLiabilitiesForCollateral	34000000	USD
CY2017Q1	all	Net Cash Provided By Used In Operating Activities Liabilities For Collateral NetCashProvidedByUsedInOperatingActivitiesLiabilitiesForCollateral	43000000	USD
CY2016Q1	all	Net Cash Provided By Used In Operating Activities Proceeds Managed Collateral NetCashProvidedByUsedInOperatingActivitiesProceedsManagedCollateral	-34000000	USD
CY2017Q1	all	Net Cash Provided By Used In Operating Activities Proceeds Managed Collateral NetCashProvidedByUsedInOperatingActivitiesProceedsManagedCollateral	-43000000	USD
CY2016Q1	all	Net Change In Short Term Investments Of Proceeds Managed Collateral NetChangeInShortTermInvestmentsOfProceedsManagedCollateral	-34000000	USD
CY2017Q1	all	Net Change In Short Term Investments Of Proceeds Managed Collateral NetChangeInShortTermInvestmentsOfProceedsManagedCollateral	-26000000	USD
CY2016Q1	all	Net Changein Fixed Income Term Investmentsof Proceeds Managed Collateral NetChangeinFixedIncomeTermInvestmentsofProceedsManagedCollateral	0	USD
CY2017Q1	all	Net Changein Fixed Income Term Investmentsof Proceeds Managed Collateral NetChangeinFixedIncomeTermInvestmentsofProceedsManagedCollateral	-17000000	USD
CY2016Q4	all	Notional Amount Of Counterparty Credit Exposure NotionalAmountOfCounterpartyCreditExposure	888000000	USD
CY2017Q1	dei	Document Type DocumentType	10-Q
CY2017Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000899051
CY2017Q1	all	Notional Amount Of Counterparty Credit Exposure NotionalAmountOfCounterpartyCreditExposure	743000000	USD
CY2016Q4	all	Number Of Counterparties NumberOfCounterparties	8	counter-party
CY2017Q1	all	Number Of Counterparties NumberOfCounterparties	7	counter-party
CY2001	all	Number Of Former Employee Agents Plaintiffs Seek Benefits For NumberOfFormerEmployeeAgentsPlaintiffsSeekBenefitsFor	6300	employee
CY2016Q1	all	Numberof Defenses NumberofDefenses	2	defense
CY2015Q4	all	Obligation To Return Collateral Securities Lending And Derivatives ObligationToReturnCollateralSecuritiesLendingAndDerivatives	840000000	USD
CY2016Q1	all	Obligation To Return Collateral Securities Lending And Derivatives ObligationToReturnCollateralSecuritiesLendingAndDerivatives	874000000	USD
CY2016Q4	all	Obligation To Return Collateral Securities Lending And Derivatives ObligationToReturnCollateralSecuritiesLendingAndDerivatives	1129000000	USD
CY2017Q1	all	Obligation To Return Collateral Securities Lending And Derivatives ObligationToReturnCollateralSecuritiesLendingAndDerivatives	1172000000	USD
CY2016Q1	all	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax Including Other Than Temporary Impairment Losses OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTaxIncludingOtherThanTemporaryImpairmentLosses	892000000	USD
CY2017Q1	all	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax Including Other Than Temporary Impairment Losses OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTaxIncludingOtherThanTemporaryImpairmentLosses	312000000	USD
CY2016Q1	all	Other Comprehensive Income Loss Available For Sale Securities Including Other Than Temporary Impairment Losses Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesIncludingOtherThanTemporaryImpairmentLossesAdjustmentNetOfTax	580000000	USD
CY2017Q1	all	Other Comprehensive Income Loss Available For Sale Securities Including Other Than Temporary Impairment Losses Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesIncludingOtherThanTemporaryImpairmentLossesAdjustmentNetOfTax	203000000	USD
CY2016Q1	all	Other Comprehensive Income Loss Available For Sale Securities Including Other Than Temporary Impairment Losses Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesIncludingOtherThanTemporaryImpairmentLossesTax	312000000	USD
CY2017Q1	all	Other Comprehensive Income Loss Available For Sale Securities Including Other Than Temporary Impairment Losses Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesIncludingOtherThanTemporaryImpairmentLossesTax	109000000	USD
CY2016Q1	all	Other Realized Capital Gains And Losses OtherRealizedCapitalGainsAndLosses	-68000000	USD
CY2017Q1	all	Other Realized Capital Gains And Losses OtherRealizedCapitalGainsAndLosses	193000000	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
CY2017Q1	all	Other Than Temporary Impairment Losses Investments Portion In Accumulated Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherThanTemporaryImpairmentLossesInvestmentsPortionInAccumulatedOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-148000000	USD
CY2016Q1	all	Payments To Purchase Mortgage Loans PaymentsToPurchaseMortgageLoans	44000000	USD
CY2017Q1	all	Payments To Purchase Mortgage Loans PaymentsToPurchaseMortgageLoans	86000000	USD
CY2017Q1	all	Percentage Of Asbestos And Environment Reserves Incurred But Not Reported Estimated Losses PercentageOfAsbestosAndEnvironmentReservesIncurredButNotReportedEstimatedLosses	0.57
CY2017Q1	all	Potential Recoveries Under Credit Risk Derivatives PotentialRecoveriesUnderCreditRiskDerivatives	0	USD
CY2016Q1	all	Proceeds From Collection Of Mortgage Loans ProceedsFromCollectionOfMortgageLoans	79000000	USD
CY2017Q1	all	Proceeds From Collection Of Mortgage Loans ProceedsFromCollectionOfMortgageLoans	223000000	USD
CY2017Q1	all	Reinsurance Agreements Limitations On Insurance Risk Transfer ReinsuranceAgreementsLimitationsOnInsuranceRiskTransfer	0	USD
CY2016Q4	all	Reinsurance Recoverables Asbestos ReinsuranceRecoverablesAsbestos	444000000	USD
CY2017Q1	all	Reinsurance Recoverables Asbestos ReinsuranceRecoverablesAsbestos	428000000	USD
CY2016Q4	all	Reinsurance Recoverables Environment ReinsuranceRecoverablesEnvironment	40000000	USD
CY2017Q1	all	Reinsurance Recoverables Environment ReinsuranceRecoverablesEnvironment	39000000	USD
CY2017Q1	all	Securities Pledged As Collateral To Counterparties SecuritiesPledgedAsCollateralToCounterparties	20000000	USD
CY2016Q4	all	Short Term Investments Amortized Cost ShortTermInvestmentsAmortizedCost	4288000000	USD
CY2017Q1	all	Short Term Investments Amortized Cost ShortTermInvestmentsAmortizedCost	2753000000	USD
CY2016Q4	all	Total Unrealized Gains Losses On Investments Before Taxes TotalUnrealizedGainsLossesOnInvestmentsBeforeTaxes	1770000000	USD
CY2017Q1	all	Total Unrealized Gains Losses On Investments Before Taxes TotalUnrealizedGainsLossesOnInvestmentsBeforeTaxes	2101000000	USD
CY2016Q4	all	Unrealized Gain Loss Fixed Income Securities Changes In Valuation Subsequent To Impairment UnrealizedGainLossFixedIncomeSecuritiesChangesInValuationSubsequentToImpairment	221000000	USD
CY2017Q1	all	Unrealized Gain Loss Fixed Income Securities Changes In Valuation Subsequent To Impairment UnrealizedGainLossFixedIncomeSecuritiesChangesInValuationSubsequentToImpairment	239000000	USD
CY2016Q1	all	Unrealized Gain Loss On Foreign Currency Derivatives During Term Of Hedging Relationship UnrealizedGainLossOnForeignCurrencyDerivativesDuringTermOfHedgingRelationship	4000000	USD
CY2017Q1	all	Unrealized Gain Loss On Foreign Currency Derivatives During Term Of Hedging Relationship UnrealizedGainLossOnForeignCurrencyDerivativesDuringTermOfHedgingRelationship	0	USD
CY2017Q1	dei	Amendment Flag AmendmentFlag	false
CY2017Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2017Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2017Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
CY2017Q1	dei	Document Period End Date DocumentPeriodEndDate	2017-03-31
CY2017Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	364518067	shares
CY2017Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2017Q1	dei	Entity Registrant Name EntityRegistrantName	ALLSTATE CORP
CY2016Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	3776000000	USD
CY2017Q1	invest	Derivative Notional Amount DerivativeNotionalAmount	3722000000	USD
CY2016Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	567000000	USD
CY2017Q1	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	577000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1053000000	USD
CY2017Q1	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1256000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	1419000000	USD
CY2017Q1	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	1400000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-50000000	USD
CY2017Q1	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-53000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-416000000	USD
CY2017Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-197000000	USD
CY2016Q4	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	2000000	USD
CY2017Q1	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	1000000	USD
CY2016Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	3303000000	USD
CY2017Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	3285000000	USD
CY2016Q1	us-gaap	Additions To Contract Holders Funds AdditionsToContractHoldersFunds	261000000	USD
CY2017Q1	us-gaap	Additions To Contract Holders Funds AdditionsToContractHoldersFunds	257000000	USD
CY2016Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	5000000	shares
CY2017Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2800000	shares
CY2016Q4	us-gaap	Assets Assets	108610000000	USD
CY2017Q1	us-gaap	Assets Assets	110243000000	USD
CY2016Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	56576000000	USD
CY2017Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	57194000000	USD
CY2016Q4	us-gaap	Available For Sale Equity Securities Amortized Cost Basis AvailableForSaleEquitySecuritiesAmortizedCostBasis	5157000000	USD
CY2017Q1	us-gaap	Available For Sale Equity Securities Amortized Cost Basis AvailableForSaleEquitySecuritiesAmortizedCostBasis	5026000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1710000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1774000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	447000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	332000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Change In Net Unrealized Holding Gain Loss AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLoss	331000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Change In Net Unrealized Holding Gain Loss Net Of Tax AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax	203000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	4193000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	4225000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	5432000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	5968000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	16306000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	16549000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	29206000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	29746000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	2057000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	2148000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	57839000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	58636000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Equity Securities AvailableForSaleSecuritiesEquitySecurities	5666000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Equity Securities AvailableForSaleSecuritiesEquitySecurities	5685000000	USD
CY2017Q1	us-gaap	Available For Sale Securities Income Tax Expense On Change In Unrealized Holding Gain Or Loss AvailableForSaleSecuritiesIncomeTaxExpenseOnChangeInUnrealizedHoldingGainOrLoss	109000000	USD
CY2016Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	8518000000	USD
CY2017Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	8424000000	USD
CY2015Q4	us-gaap	Cash Cash	495000000	USD
CY2016Q1	us-gaap	Cash Cash	531000000	USD
CY2016Q4	us-gaap	Cash Cash	436000000	USD
CY2017Q1	us-gaap	Cash Cash	442000000	USD
CY2016Q1	us-gaap	Cash Period Increase Decrease CashPeriodIncreaseDecrease	36000000	USD
CY2017Q1	us-gaap	Cash Period Increase Decrease CashPeriodIncreaseDecrease	6000000	USD
CY2016Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	0	USD
CY2017Q1	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	1000000	USD
CY2016Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2016Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.33
CY2017Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.37
CY2016Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2017Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000.0	shares
CY2017Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000.0	shares
CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	900000000	shares
CY2017Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	900000000	shares
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	366000000	shares
CY2017Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	365000000	shares
CY2016Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	9000000	USD
CY2017Q1	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	9000000	USD
CY2016Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	851000000	USD
CY2017Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	914000000	USD
CY2017Q1	us-gaap	Credit Derivative Term1 CreditDerivativeTerm1	P5Y
CY2016Q1	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	1129000000	USD
CY2017Q1	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	1169000000	USD
CY2016Q4	us-gaap	Deferred Policy Acquisition Costs And Value Of Business Acquired DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired	3954000000	USD
CY2017Q1	us-gaap	Deferred Policy Acquisition Costs And Value Of Business Acquired DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired	3988000000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	487000000	USD
CY2017Q1	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	833000000	USD
CY2016Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	91000000	USD
CY2017Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	119000000	USD
CY2016Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	28000000	USD
CY2017Q1	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	21000000	USD
CY2016Q4	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	1103000000	USD
CY2017Q1	us-gaap	Derivative Asset Number Of Instruments Held DerivativeAssetNumberOfInstrumentsHeld	4835	contract
CY2017Q1	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	813000000	USD
CY2016Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	334000000	USD
CY2016Q4	us-gaap	Derivative Asset Number Of Instruments Held DerivativeAssetNumberOfInstrumentsHeld	4233	contract
CY2016Q4	us-gaap	Derivative Assets DerivativeAssets	93000000	USD
CY2017Q1	us-gaap	Derivative Assets DerivativeAssets	93000000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	121000000	USD
CY2017Q1	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	114000000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	334000000	USD
CY2017Q1	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	338000000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-241000000	USD
CY2017Q1	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-238000000	USD
CY2016Q1	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-35000000	USD
CY2017Q1	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	9000000	USD
CY2017Q1	us-gaap	Derivative Liabilities DerivativeLiabilities	331000000	USD
CY2016Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	USD
CY2017Q1	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	7000000	USD
CY2016Q4	us-gaap	Derivative Liability Notional Amount DerivativeLiabilityNotionalAmount	2673000000	USD
CY2017Q1	us-gaap	Derivative Liability Notional Amount DerivativeLiabilityNotionalAmount	2909000000	USD
CY2016Q4	us-gaap	Derivative Liability Number Of Instruments Held DerivativeLiabilityNumberOfInstrumentsHeld	4848	contract
CY2017Q1	us-gaap	Derivative Liability Number Of Instruments Held DerivativeLiabilityNumberOfInstrumentsHeld	4558	contract
CY2016Q4	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	9081	contract
CY2017Q1	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	9393	contract
CY2016Q1	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	2000000	USD
CY2017Q1	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	2000000	USD
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.57
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.82
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.57
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.79
CY2016Q1	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	12000000	USD
CY2017Q1	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2016Q1	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	-29000000	USD
CY2017Q1	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	14000000	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3	0	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3	0	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3	0	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3	0	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-14000000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	11000000	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	3000000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	8000000	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	0	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	0	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	74000000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	160000000	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	23000000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	3000000	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	18000000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	13000000	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	29000000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	27000000	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	21000000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	22000000	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
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
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-15000000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	3000000	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome	0	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome	0	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues	1000000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues	1000000	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	0	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	0	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	0	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	0	USD
CY2016Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	2000000	USD
CY2017Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	2000000	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
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
CY2017Q1	us-gaap	Foreign Currency Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months	2000000	USD
CY2016Q1	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-9000000	USD
CY2017Q1	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-15000000	USD
CY2016Q1	us-gaap	Gain Loss On Fair Value Hedge Ineffectiveness Net GainLossOnFairValueHedgeIneffectivenessNet	0	USD
CY2017Q1	us-gaap	Gain Loss On Fair Value Hedge Ineffectiveness Net GainLossOnFairValueHedgeIneffectivenessNet	0	USD
CY2016Q1	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	-59000000	USD
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CY2017Q1	us-gaap	Goodwill Goodwill	2295000000	USD
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CY2017Q1	us-gaap	Impairment Of Investments ImpairmentOfInvestments	62000000	USD
CY2016Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	109000000	USD
CY2017Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	317000000	USD
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CY2017Q1	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	284000000	USD
CY2016Q1	us-gaap	Increase Decrease In Insurance Liabilities IncreaseDecreaseInInsuranceLiabilities	459000000	USD
CY2017Q1	us-gaap	Increase Decrease In Insurance Liabilities IncreaseDecreaseInInsuranceLiabilities	183000000	USD
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CY2017Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	219000000	USD
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CY2017Q1	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	19000000	USD
CY2016Q1	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	40000000	USD
CY2017Q1	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	-11000000	USD
CY2017Q1	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	5000000	USD
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CY2017Q1	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-248000000	USD
CY2016Q1	us-gaap	Incurred Claims Property Casualty And Liability IncurredClaimsPropertyCasualtyAndLiability	5684000000	USD
CY2017Q1	us-gaap	Incurred Claims Property Casualty And Liability IncurredClaimsPropertyCasualtyAndLiability	5416000000	USD
CY2016Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	775000000	USD
CY2017Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	799000000	USD
CY2016Q1	us-gaap	Interest Credited To Policyholders Account Balances InterestCreditedToPolicyholdersAccountBalances	190000000	USD
CY2017Q1	us-gaap	Interest Credited To Policyholders Account Balances InterestCreditedToPolicyholdersAccountBalances	173000000	USD
CY2016Q1	us-gaap	Interest Expense InterestExpense	73000000	USD
CY2017Q1	us-gaap	Interest Expense InterestExpense	85000000	USD
CY2016Q1	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	44000000	USD
CY2017Q1	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	51000000	USD
CY2016Q4	us-gaap	Investments Investments	81799000000	USD
CY2017Q1	us-gaap	Investments Investments	81143000000	USD
CY2016Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	5814000000	USD
CY2017Q1	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	5982000000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	88037000000	USD
CY2017Q1	us-gaap	Liabilities Liabilities	89085000000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	108610000000	USD
CY2017Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	110243000000	USD
CY2016Q1	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	34000000	USD
CY2016Q4	us-gaap	Liability For Claims And Claims Adjustment Expense Property Casualty Liability LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability	25250000000	USD
CY2017Q1	us-gaap	Liability For Claims And Claims Adjustment Expense Property Casualty Liability LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability	25628000000	USD
CY2016Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	12239000000	USD
CY2017Q1	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	12223000000	USD
CY2016Q4	us-gaap	Long Term Debt LongTermDebt	6347000000	USD
CY2017Q1	us-gaap	Long Term Debt LongTermDebt	6346000000	USD
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CY2016Q3	us-gaap	Loss Contingency New Claims Filed Number LossContingencyNewClaimsFiledNumber	2	claim
CY2017Q1	us-gaap	Loss Contingency New Claims Filed Number LossContingencyNewClaimsFiledNumber	2	claim
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CY2016Q1	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	10	plaintiff
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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	459	plaintiff
CY2016Q4	us-gaap	Loss Contingency Pending Claims Number LossContingencyPendingClaimsNumber	2	claim
CY2017Q1	us-gaap	Margin Deposit Assets MarginDepositAssets	13000000	USD
CY2016Q4	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	4486000000	USD
CY2017Q1	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	4349000000	USD
CY2016Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-774000000	USD
CY2017Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-571000000	USD
CY2016Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	96000000	USD
CY2017Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-280000000	USD
CY2016Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	714000000	USD
CY2017Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	857000000	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	246000000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	695000000	USD
CY2016Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	217000000	USD
CY2017Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	666000000	USD
CY2016Q1	us-gaap	Net Investment Income NetInvestmentIncome	731000000	USD
CY2017Q1	us-gaap	Net Investment Income NetInvestmentIncome	748000000	USD
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CY2017Q1	us-gaap	Other Assets OtherAssets	2923000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	930000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	336000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	22000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-5000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	14000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-3000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	8000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-2000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	605000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	219000000	USD
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CY2017Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	0	USD
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CY2017Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-29000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-11000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-19000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Before Reclassification Adjustments Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax	3000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Before Reclassification Adjustments Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax	0	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-5000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-10000000	USD
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CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	132000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-90000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	86000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-49000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	46000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	24000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	29000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	16000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	19000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	8000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	10000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	325000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	117000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	753000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	444000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	490000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	289000000	USD
CY2016Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	263000000	USD
CY2017Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	155000000	USD
CY2016Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	982000000	USD
CY2017Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	1097000000	USD
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CY2017Q1	us-gaap	Other Investments OtherInvestments	3738000000	USD
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CY2016Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	8000000	USD
CY2017Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	8000000	USD
CY2016Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	8000000	USD
CY2017Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	5000000	USD
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CY2016Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	350000000	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
CY2016Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	58000000	USD
CY2017Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	37000000	USD
CY2016Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-10000000	USD
CY2017Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-3000000	USD
CY2016Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	81000000	USD
CY2017Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	59000000	USD
CY2016Q1	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	0	USD
CY2017Q1	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	1356000000	USD
CY2016Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	19000000	USD
CY2017Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	10000000	USD
CY2016Q1	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	1357000000	USD
CY2017Q1	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-1572000000	USD
CY2016Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	456000000	USD
CY2017Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	264000000	USD
CY2017Q1	us-gaap	Payments For Restructuring PaymentsForRestructuring	3000000	USD
CY2016Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	115000000	USD
CY2017Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	122000000	USD
CY2016Q1	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	29000000	USD
CY2017Q1	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	29000000	USD
CY2016Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	5401000000	USD
CY2017Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	8800000000	USD
CY2016Q1	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	1733000000	USD
CY2017Q1	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	2383000000	USD
CY2016Q1	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	270000000	USD
CY2017Q1	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	268000000	USD
CY2016Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	253000000	USD
CY2017Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	219000000	USD
CY2016Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	52000000	USD
CY2017Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	74000000	USD
CY2016Q4	us-gaap	Policyholder Contract Deposits PolicyholderContractDeposits	20260000000	USD
CY2017Q1	us-gaap	Policyholder Contract Deposits PolicyholderContractDeposits	20051000000	USD
CY2016Q1	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	29000000	USD
CY2017Q1	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	29000000	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
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CY2016Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1
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CY2016Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	72200	shares
CY2017Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	72200	shares
CY2016Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	72200	shares
CY2017Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	72200	shares
CY2016Q1	us-gaap	Premiums Earned Net Property And Casualty PremiumsEarnedNetPropertyAndCasualty	7723000000	USD
CY2017Q1	us-gaap	Premiums Earned Net Property And Casualty PremiumsEarnedNetPropertyAndCasualty	7959000000	USD
CY2016Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	5597000000	USD
CY2017Q1	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	5649000000	USD
CY2016Q1	us-gaap	Proceeds From Divestiture Of Interest In Subsidiaries And Affiliates ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates	180000000	USD
CY2017Q1	us-gaap	Proceeds From Divestiture Of Interest In Subsidiaries And Affiliates ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates	210000000	USD
CY2016Q1	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	30000000	USD
CY2017Q1	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	67000000	USD
CY2016Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	949000000	USD
CY2017Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1029000000	USD
CY2016Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	43000000	USD
CY2017Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	174000000	USD
CY2016Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	31000000	USD
CY2017Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	3000000	USD
CY2016Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	6216000000	USD
CY2017Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	7083000000	USD
CY2016Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	1664000000	USD
CY2017Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	2601000000	USD
CY2016Q1	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	94000000	USD
CY2017Q1	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	24000000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1065000000	USD
CY2017Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1067000000	USD
CY2016Q1	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-149000000	USD
CY2017Q1	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	134000000	USD
CY2016Q4	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	8745000000	USD
CY2017Q1	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	8723000000	USD
CY2016Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	16000000	USD
CY2017Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2016Q1	us-gaap	Restructuring Charges RestructuringCharges	5000000	USD
CY2017Q1	us-gaap	Restructuring Charges RestructuringCharges	10000000	USD
CY2016Q4	us-gaap	Restructuring Reserve RestructuringReserve	2000000	USD
CY2017Q1	us-gaap	Restructuring Reserve RestructuringReserve	4000000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	40678000000	USD
CY2017Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	41208000000	USD
CY2016Q1	us-gaap	Revenues Revenues	8871000000	USD
CY2017Q1	us-gaap	Revenues Revenues	9434000000	USD
CY2016Q4	us-gaap	Separate Account Assets SeparateAccountAssets	3393000000	USD
CY2017Q1	us-gaap	Separate Account Assets SeparateAccountAssets	3436000000	USD
CY2016Q4	us-gaap	Separate Accounts Liability SeparateAccountsLiability	3393000000	USD
CY2017Q1	us-gaap	Separate Accounts Liability SeparateAccountsLiability	3436000000	USD
CY2016Q4	us-gaap	Short Term Investments ShortTermInvestments	4288000000	USD
CY2017Q1	us-gaap	Short Term Investments ShortTermInvestments	2753000000	USD
CY2016Q1	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	37000000	USD
CY2017Q1	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	40000000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	20573000000	USD
CY2017Q1	us-gaap	Stockholders Equity StockholdersEquity	21158000000	USD
CY2016Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	20340000000	USD
CY2017Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	21158000000	USD
CY2016Q1	us-gaap	Transfer Of Investments TransferOfInvestments	7000000	USD
CY2017Q1	us-gaap	Transfer Of Investments TransferOfInvestments	5000000	USD
CY2016Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	534000000	shares
CY2017Q1	us-gaap	Treasury Stock Shares TreasuryStockShares	535000000	shares
CY2016Q4	us-gaap	Treasury Stock Value TreasuryStockValue	24741000000	USD
CY2017Q1	us-gaap	Treasury Stock Value TreasuryStockValue	24887000000	USD
CY2016Q4	us-gaap	Unearned Esop Shares UnearnedESOPShares	6000000	USD
CY2017Q1	us-gaap	Unearned Esop Shares UnearnedESOPShares	6000000	USD
CY2016Q4	us-gaap	Unearned Premiums UnearnedPremiums	12583000000	USD
CY2017Q1	us-gaap	Unearned Premiums UnearnedPremiums	12705000000	USD
CY2016Q1	us-gaap	Unrealized Gain Loss On Foreign Currency Derivatives Net Before Tax UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax	-2000000	USD
CY2017Q1	us-gaap	Unrealized Gain Loss On Foreign Currency Derivatives Net Before Tax UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax	-2000000	USD
CY2016Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	382900000	shares
CY2017Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	371300000	shares
CY2016Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	378100000	shares
CY2017Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	365700000	shares
CY2016Q1	us-gaap	Withdrawal From Contract Holders Funds WithdrawalFromContractHoldersFunds	492000000	USD
CY2017Q1	us-gaap	Withdrawal From Contract Holders Funds WithdrawalFromContractHoldersFunds	483000000	USD
CY2017Q1	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;">Three months ended March 31,</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;">5,513</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;">5,660</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;">(97</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;">24</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;">5,416</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;">5,684</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;">2,239</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;">2,148</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;">2,815</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;">2,867</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;">5,054</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;">5,015</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 March 31</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;">19,445</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;">18,646</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;">6,183</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;">5,959</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 March 31</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;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">25,628</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</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;">24,605</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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0000899051-17-000012-index-headers.html	Edgar Link	pending
0000899051-17-000012-index.html	Edgar Link	pending
0000899051-17-000012.txt	Edgar Link	pending
0000899051-17-000012-xbrl.zip	Edgar Link	pending
all-20170331.xml	Edgar Link	completed
all-20170331.xsd	Edgar Link	pending
all-20170331_cal.xml	Edgar Link	unprocessable
all-20170331_def.xml	Edgar Link	unprocessable
all-20170331_lab.xml	Edgar Link	unprocessable
all-20170331_pre.xml	Edgar Link	unprocessable
allcorp-3311710xq.htm	Edgar Link	pending
exhibit15allcorp33117.htm	Edgar Link	pending
exhibit31iallcorp33117.htm	Edgar Link	pending
exhibit32allcorp33117.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
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ALLSTATE CORP Stock $all

2017 Q1 Form 10-Q Financial Statement

#000089905117000012 Filed on May 02, 2017

Income Statement

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Facts In Submission

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$ALL ALLSTATE CORP Stock $all

2017 Q1 Form 10-Q Financial Statement

#000089905117000012 Filed on May 02, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ALL
ALLSTATE CORP Stock $all