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Fair Value of Financial Instruments - Fair Value of Assets and Liabilities on a Recurring Basis (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | $ 284,974 | $ 278,356
Liabilities | (20,603) | (18,301)
Corporate bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 67,372 | 66,450
U.S. government bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 563 | 391
State and municipal bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 2,254 | 2,371
Foreign government bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 239 | 237
RMBS |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 2,063 | 1,863
CMBS |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 1,972 | 1,665
ABS |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 14,658 | 13,880
Hybrid and redeemable preferred securities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 265 | 254
Trading securities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 1,909 | 2,025
Equity securities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 341 | 294
Mortgage loans on real estate |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 232 | 232
Derivative investments |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 14,013 | 13,887
Other investments – short-term investments |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 336 | 392
MRB assets |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 4,577 | 4,860
Ceded MRBs |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 2 | 2
Liabilities | (341) | (381)
Indexed annuity ceded embedded derivatives |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 1,236 | 1,115
Separate account assets |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 172,942 | 168,438
RILA, fixed indexed annuity and IUL contracts |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | (13,089) | (12,449)
Reinsurance-related embedded derivatives |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | (140) | (30)
MRB liabilities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | (1,205) | (1,046)
Derivative liabilities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | (5,828) | (4,395)
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 963 | 810
Liabilities | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. government bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 544 | 371
Quoted Prices in Active Markets for Identical Assets (Level 1) | State and municipal bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign government bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | RMBS |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | CMBS |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | ABS |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Hybrid and redeemable preferred securities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 44 | 48
Quoted Prices in Active Markets for Identical Assets (Level 1) | Trading securities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity securities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 4 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage loans on real estate |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Derivative investments |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other investments – short-term investments |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | MRB assets |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Ceded MRBs |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Liabilities | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Indexed annuity ceded embedded derivatives |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Separate account assets |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 371 | 391
Quoted Prices in Active Markets for Identical Assets (Level 1) | RILA, fixed indexed annuity and IUL contracts |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Reinsurance-related embedded derivatives |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | MRB liabilities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Derivative liabilities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | 0 | 0
Significant Observable Inputs (Level 2) |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 271,208 | 265,955
Liabilities | (5,479) | (4,052)
Significant Observable Inputs (Level 2) | Corporate bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 64,296 | 63,585
Significant Observable Inputs (Level 2) | U.S. government bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 19 | 20
Significant Observable Inputs (Level 2) | State and municipal bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 2,254 | 2,371
Significant Observable Inputs (Level 2) | Foreign government bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 239 | 237
Significant Observable Inputs (Level 2) | RMBS |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 1,984 | 1,851
Significant Observable Inputs (Level 2) | CMBS |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 1,931 | 1,657
Significant Observable Inputs (Level 2) | ABS |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 11,658 | 11,781
Significant Observable Inputs (Level 2) | Hybrid and redeemable preferred securities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 129 | 133
Significant Observable Inputs (Level 2) | Trading securities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 1,613 | 1,760
Significant Observable Inputs (Level 2) | Equity securities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 254 | 260
Significant Observable Inputs (Level 2) | Mortgage loans on real estate |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Significant Observable Inputs (Level 2) | Derivative investments |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 13,948 | 13,884
Significant Observable Inputs (Level 2) | Other investments – short-term investments |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 312 | 369
Significant Observable Inputs (Level 2) | MRB assets |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Significant Observable Inputs (Level 2) | Ceded MRBs |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Liabilities | 0 | 0
Significant Observable Inputs (Level 2) | Indexed annuity ceded embedded derivatives |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Significant Observable Inputs (Level 2) | Separate account assets |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 172,571 | 168,047
Significant Observable Inputs (Level 2) | RILA, fixed indexed annuity and IUL contracts |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | 0 | 0
Significant Observable Inputs (Level 2) | Reinsurance-related embedded derivatives |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | 169 | 204
Significant Observable Inputs (Level 2) | MRB liabilities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | 0 | 0
Significant Observable Inputs (Level 2) | Derivative liabilities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | (5,648) | (4,256)
Significant Unobservable Inputs (Level 3) |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 12,803 | 11,591
Liabilities | (15,124) | (14,249)
Significant Unobservable Inputs (Level 3) | Corporate bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 3,076 | 2,865
Significant Unobservable Inputs (Level 3) | U.S. government bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Significant Unobservable Inputs (Level 3) | State and municipal bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Significant Unobservable Inputs (Level 3) | Foreign government bonds |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Significant Unobservable Inputs (Level 3) | RMBS |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 79 | 12
Significant Unobservable Inputs (Level 3) | CMBS |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 41 | 8
Significant Unobservable Inputs (Level 3) | ABS |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 3,000 | 2,099
Significant Unobservable Inputs (Level 3) | Hybrid and redeemable preferred securities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 92 | 73
Significant Unobservable Inputs (Level 3) | Trading securities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 296 | 265
Significant Unobservable Inputs (Level 3) | Equity securities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 83 | 34
Significant Unobservable Inputs (Level 3) | Mortgage loans on real estate |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 232 | 232
Significant Unobservable Inputs (Level 3) | Derivative investments |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 65 | 3
Significant Unobservable Inputs (Level 3) | Other investments – short-term investments |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 24 | 23
Significant Unobservable Inputs (Level 3) | MRB assets |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 4,577 | 4,860
Significant Unobservable Inputs (Level 3) | Ceded MRBs |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 2 | 2
Liabilities | (341) | (381)
Significant Unobservable Inputs (Level 3) | Indexed annuity ceded embedded derivatives |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 1,236 | 1,115
Significant Unobservable Inputs (Level 3) | Separate account assets |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Assets | 0 | 0
Significant Unobservable Inputs (Level 3) | RILA, fixed indexed annuity and IUL contracts |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | (13,089) | (12,449)
Significant Unobservable Inputs (Level 3) | Reinsurance-related embedded derivatives |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | (309) | (234)
Significant Unobservable Inputs (Level 3) | MRB liabilities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | (1,205) | (1,046)
Significant Unobservable Inputs (Level 3) | Derivative liabilities |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Liabilities | $ (180) | $ (139)

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