XML 115 R72.htm IDEA: XBRL DOCUMENT
v3.20.1

Derivative Financial Instruments - Gains and losses from valuation and settlements reported on derivatives not designated as accounting hedges (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | $ 38 | $ (21)
Realized capital gains (losses) |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 88 | (46)
Life contract benefits |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (24) | 8
Interest credited to contractholder funds |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 19 | (4)
Operating costs and expenses |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (45) | 21
Interest rate contracts |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 39 | 7
Interest rate contracts | Realized capital gains (losses) |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 39 | 7
Interest rate contracts | Life contract benefits |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Interest rate contracts | Interest credited to contractholder funds |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Interest rate contracts | Operating costs and expenses |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Equity and index contracts |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (67) | (19)
Equity and index contracts | Realized capital gains (losses) |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 28 | (71)
Equity and index contracts | Life contract benefits |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Equity and index contracts | Interest credited to contractholder funds |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (50) | 31
Equity and index contracts | Operating costs and expenses |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (45) | 21
Embedded derivative financial instruments |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 45 | (27)
Embedded derivative financial instruments | Realized capital gains (losses) |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Embedded derivative financial instruments | Life contract benefits |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (24) | 8
Embedded derivative financial instruments | Interest credited to contractholder funds |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 69 | (35)
Embedded derivative financial instruments | Operating costs and expenses |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Foreign currency contracts |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 36 | 5
Foreign currency contracts | Realized capital gains (losses) |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 36 | 5
Foreign currency contracts | Life contract benefits |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Foreign currency contracts | Interest credited to contractholder funds |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Foreign currency contracts | Operating costs and expenses |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Credit default contracts |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (8) | (4)
Credit default contracts | Realized capital gains (losses) |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (8) | (4)
Credit default contracts | Life contract benefits |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Credit default contracts | Interest credited to contractholder funds |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Credit default contracts | Operating costs and expenses |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Total return swaps - fixed income |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (9) | 2
Total return swaps - fixed income | Realized capital gains (losses) |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (9) | 2
Total return swaps - fixed income | Life contract benefits |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Total return swaps - fixed income | Interest credited to contractholder funds |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Total return swaps - fixed income | Operating costs and expenses |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Total return swaps - equity index |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 2 | 15
Total return swaps - equity index | Realized capital gains (losses) |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 2 | 15
Total return swaps - equity index | Life contract benefits |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Total return swaps - equity index | Interest credited to contractholder funds |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Total return swaps - equity index | Operating costs and expenses |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | $ 0 | $ 0

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsGainLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4CC -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109998890-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
Name: | us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=all_RealizedCapitalGainsAndLossesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=all_LifeAndAnnuityContractBenefitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=all_InterestCreditedToContractholderFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=all_OtherCostAndExpenseOperatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=all_EquityAndIndexContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_EmbeddedDerivativeFinancialInstrumentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CreditDefaultSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=all_TotalReturnSwapFixedIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=all_TotalReturnSwapEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |