XML 92 R75.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Derivative Financial Instruments - Schedule of Gains (Losses) from Valuation and Settlements Reported on Derivatives Not Designated as Accounting Hedges (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | $ 8 | $ (35)
Net gains (losses) on investments and derivatives |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (8) | (52)
Operating costs and expenses |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 16 | 17
Interest rate contracts |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (7) | (35)
Interest rate contracts | Net gains (losses) on investments and derivatives |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (7) | (35)
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 | 3 | 12
Equity and index contracts | Net gains (losses) on investments and derivatives |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (11) | 4
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 | 14 | 8
Contingent consideration |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 2 | 9
Contingent consideration | Net gains (losses) on investments and derivatives |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0
Contingent consideration | Operating costs and expenses |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 2 | 9
Foreign currency contracts |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 11 | (7)
Foreign currency contracts | Net gains (losses) on investments and derivatives |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 11 | (7)
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 | (1) | (14)
Credit default contracts | Net gains (losses) on investments and derivatives |  |
Derivative Instruments, Gain (Loss) |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (1) | (14)
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

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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E + 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://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 4CC -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4CC + 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_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=all_ContingentConsiderationDerivativeMember
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: |