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Derivative Instruments - Effects of Qualifying and Non-Qualifying Hedges (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Derivative Instruments, Gain (Loss) [Line Items] |  |
Realized gain (loss) | $ (434) | $ (828)
Net investment income | 1,346 | 1,466
Interest and debt expense | 81 | 83
Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Realized gain (loss) | (434) | (828)
Net investment income | 1,346 | 1,466
Interest and debt expense | 81 | 83
Realized Gain (Loss) | Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Interest rate contracts, amount of gain or (loss) reclassified from AOCI into income | 0 | 0
Foreign currency contracts, amount of gain or (loss) reclassified from AOCI into income | 0 | 2
Realized Gain (Loss) | Interest rate contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | (163) | 332
Realized Gain (Loss) | Foreign currency contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | (1)
Realized Gain (Loss) | Equity market contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 2,134 | (53)
Realized Gain (Loss) | Commodity contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | 11
Realized Gain (Loss) | Credit contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | (1)
Realized Gain (Loss) | Reinsurance-related | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 197 | (49)
Realized Gain (Loss) | RILA, fixed indexed annuity and IUL contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | (1,642) | (713)
Net Investment Income | Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Interest rate contracts, amount of gain or (loss) reclassified from AOCI into income | 0 | 0
Foreign currency contracts, amount of gain or (loss) reclassified from AOCI into income | 15 | 14
Net Investment Income | Interest rate contracts | Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Hedged items | (18) | 16
Derivatives designated as hedging instruments | 18 | (16)
Net Investment Income | Interest rate contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | 0
Net Investment Income | Foreign currency contracts | Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Hedged items | (1) | 0
Derivatives designated as hedging instruments | 1 | 0
Net Investment Income | Foreign currency contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | 0
Net Investment Income | Equity market contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | 0
Net Investment Income | Commodity contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | 0
Net Investment Income | Credit contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | 0
Net Investment Income | Reinsurance-related | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | 0
Net Investment Income | RILA, fixed indexed annuity and IUL contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | 0
Interest and Debt Expense | Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Interest rate contracts, amount of gain or (loss) reclassified from AOCI into income | 9 | 6
Foreign currency contracts, amount of gain or (loss) reclassified from AOCI into income | 0 | 0
Interest and Debt Expense | Interest rate contracts | Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Hedged items | 17 | (21)
Derivatives designated as hedging instruments | (17) | 21
Interest and Debt Expense | Interest rate contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | 0
Interest and Debt Expense | Foreign currency contracts | Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Hedged items | 0 | 0
Derivatives designated as hedging instruments | 0 | 0
Interest and Debt Expense | Foreign currency contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | 0
Interest and Debt Expense | Equity market contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | 0
Interest and Debt Expense | Commodity contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | 0
Interest and Debt Expense | Credit contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | 0
Interest and Debt Expense | Reinsurance-related | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | 0 | 0
Interest and Debt Expense | RILA, fixed indexed annuity and IUL contracts | Non-Qualifying Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Non-Qualifying Hedges | $ 0 | $ 0

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- Definition Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 815 -SubTopic 25 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480238/815-25-50-1 + Details
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- Definition Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 815 -SubTopic 25 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480238/815-25-50-1 + Details
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- Definition Amount of realized gain (loss) on investment in debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column C)(Footnote 4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column C)(Footnote 6)(e)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column C)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-6 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(9)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(7)(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(7)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 + Details
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- 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
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