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Fair Value of Financial Instruments - Fair Value Measured on a Recurring Basis Reconciliation (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | $ (4,155) | $ (6,012) | $ (6,472) | $ (4,458)
Items Included in Net Income | (2,116) | 64 | (500) | (1,483)
Gains (Losses) in OCI and Other | (4) | (2) | 17 | (11)
Issuances, Sales, Maturities, Settlements, Calls, Net | 475 | 343 | 1,069 | 414
Transfers Into or Out of Level 3, Net | 107 | (159) | 193 | (228)
Ending Fair Value | (5,693) | (5,766) | (5,693) | (5,766)
Corporate bonds | Fixed maturity AFS securities, at fair value |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | 2,974 | 2,489 | 2,865 | 2,497
Items Included in Net Income | (24) | 0 | (37) | 2
Gains (Losses) in OCI and Other | 5 | (8) | 6 | (18)
Issuances, Sales, Maturities, Settlements, Calls, Net | 32 | 192 | 131 | 214
Transfers Into or Out of Level 3, Net | 89 | (92) | 111 | (114)
Ending Fair Value | 3,076 | 2,581 | 3,076 | 2,581
State and municipal bonds |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value |  |  |  | 5
Items Included in Net Income |  |  |  | 0
Gains (Losses) in OCI and Other |  |  |  | 0
Issuances, Sales, Maturities, Settlements, Calls, Net |  |  |  | 0
Transfers Into or Out of Level 3, Net |  |  |  | (5)
Ending Fair Value |  | 0 |  | 0
RMBS | Fixed maturity AFS securities, at fair value |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | 19 | 12 | 12 | 13
Items Included in Net Income | 0 | 0 | 0 | 0
Gains (Losses) in OCI and Other | 0 | 0 | 0 | (1)
Issuances, Sales, Maturities, Settlements, Calls, Net | 67 | 6 | 74 | 6
Transfers Into or Out of Level 3, Net | (7) | 0 | (7) | 0
Ending Fair Value | 79 | 18 | 79 | 18
CMBS | Fixed maturity AFS securities, at fair value |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | 30 | 8 | 8 | 8
Items Included in Net Income | 0 | 0 | 0 | 0
Gains (Losses) in OCI and Other | 0 | 0 | 0 | 0
Issuances, Sales, Maturities, Settlements, Calls, Net | 18 | 15 | 40 | 15
Transfers Into or Out of Level 3, Net | (7) | 0 | (7) | 0
Ending Fair Value | 41 | 23 | 41 | 23
ABS | Fixed maturity AFS securities, at fair value |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | 2,631 | 1,692 | 2,099 | 1,484
Items Included in Net Income | 0 | 0 | (21) | 0
Gains (Losses) in OCI and Other | (11) | 7 | 7 | 5
Issuances, Sales, Maturities, Settlements, Calls, Net | 419 | 365 | 897 | 566
Transfers Into or Out of Level 3, Net | (39) | (67) | 18 | (58)
Ending Fair Value | 3,000 | 1,997 | 3,000 | 1,997
Hybrid and redeemable preferred securities | Fixed maturity AFS securities, at fair value |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | 81 | 51 | 73 | 48
Items Included in Net Income | 0 | 0 | 0 | 0
Gains (Losses) in OCI and Other | 0 | (1) | 0 | 2
Issuances, Sales, Maturities, Settlements, Calls, Net | 1 | 0 | 19 | 0
Transfers Into or Out of Level 3, Net | 10 | 0 | 0 | 0
Ending Fair Value | 92 | 50 | 92 | 50
Trading securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | 287 | 271 | 265 | 284
Items Included in Net Income | 3 | 0 | 4 | 0
Gains (Losses) in OCI and Other | 0 | 0 | 0 | 0
Issuances, Sales, Maturities, Settlements, Calls, Net | (1) | 2 | 3 | (11)
Transfers Into or Out of Level 3, Net | 7 | 0 | 24 | 0
Ending Fair Value | 296 | 273 | 296 | 273
Equity securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | 35 | 39 | 34 | 42
Items Included in Net Income | (2) | 0 | (8) | (3)
Gains (Losses) in OCI and Other | 0 | 0 | 0 | 0
Issuances, Sales, Maturities, Settlements, Calls, Net | (4) | (1) | 3 | (1)
Transfers Into or Out of Level 3, Net | 54 | 0 | 54 | 0
Ending Fair Value | 83 | 38 | 83 | 38
Mortgage loans on real estate |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | 232 | 289 | 232 | 288
Items Included in Net Income | (1) | 4 | (2) | 4
Gains (Losses) in OCI and Other | 2 | 0 | 4 | 1
Issuances, Sales, Maturities, Settlements, Calls, Net | (1) | (35) | (2) | (35)
Transfers Into or Out of Level 3, Net | 0 | 0 | 0 | 0
Ending Fair Value | 232 | 258 | 232 | 258
Other investments |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | 15 |  | 23 |
Items Included in Net Income | 0 |  | 0 |
Gains (Losses) in OCI and Other | 0 |  | 0 |
Issuances, Sales, Maturities, Settlements, Calls, Net | 9 |  | 1 |
Transfers Into or Out of Level 3, Net | 0 |  | 0 |
Ending Fair Value | 24 |  | 24 |
Derivative investments |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value |  | 1 | (136) | 36
Items Included in Net Income |  | (7) | 21 | 5
Gains (Losses) in OCI and Other |  | 0 | 0 | 0
Issuances, Sales, Maturities, Settlements, Calls, Net |  | (2) | 0 | 2
Transfers Into or Out of Level 3, Net |  | 0 | 0 | (51)
Ending Fair Value | (115) | (8) | (115) | (8)
Ceded MRBs | Other Assets |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | 2 | 2 | 2 | 2
Items Included in Net Income | 0 | 0 | 0 | 0
Gains (Losses) in OCI and Other | 0 | 0 | 0 | 0
Issuances, Sales, Maturities, Settlements, Calls, Net | 0 | 0 | 0 | 0
Transfers Into or Out of Level 3, Net | 0 | 0 | 0 | 0
Ending Fair Value | 2 | 2 | 2 | 2
Ceded MRBs | Other Liabilities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | (314) | (360) | (381) | (239)
Items Included in Net Income | (27) | 16 | 40 | (105)
Gains (Losses) in OCI and Other | 0 | 0 | 0 | 0
Issuances, Sales, Maturities, Settlements, Calls, Net | 0 | 0 | 0 | 0
Transfers Into or Out of Level 3, Net | 0 | 0 | 0 | 0
Ending Fair Value | (341) | (344) | (341) | (344)
Indexed annuity ceded embedded derivatives | Other Assets |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | 1,092 | 973 | 1,115 | 940
Items Included in Net Income | 73 | 11 | 50 | 44
Gains (Losses) in OCI and Other | 0 | 0 | 0 | 0
Issuances, Sales, Maturities, Settlements, Calls, Net | 71 | (17) | 71 | (17)
Transfers Into or Out of Level 3, Net | 0 | 0 | 0 | 0
Ending Fair Value | 1,236 | 967 | 1,236 | 967
RILA, fixed indexed annuity and IUL contracts | Policyholder Account Balances |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | (10,807) | (10,896) | (12,449) | (9,077)
Items Included in Net Income | (2,146) | (339) | (472) | (2,015)
Gains (Losses) in OCI and Other | 0 | 0 | 0 | 0
Issuances, Sales, Maturities, Settlements, Calls, Net | (136) | (182) | (168) | (325)
Transfers Into or Out of Level 3, Net | 0 | 0 | 0 | 0
Ending Fair Value | (13,089) | (11,417) | (13,089) | (11,417)
Reinsurance-related embedded derivatives |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | (323) | (583) | (234) | (789)
Items Included in Net Income | 14 | 379 | (75) | 585
Gains (Losses) in OCI and Other | 0 | 0 | 0 | 0
Issuances, Sales, Maturities, Settlements, Calls, Net | 0 | 0 | 0 | 0
Transfers Into or Out of Level 3, Net | 0 | 0 | 0 | 0
Ending Fair Value | (309) | $ (204) | (309) | $ (204)
Derivative liabilities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] |  |  |  |
Beginning Fair Value | (109) |  |  |
Items Included in Net Income | (6) |  |  |
Gains (Losses) in OCI and Other | 0 |  |  |
Issuances, Sales, Maturities, Settlements, Calls, Net | 0 |  |  |
Transfers Into or Out of Level 3, Net | 0 |  |  |
Ending Fair Value | $ (115) |  | $ (115) |

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- Definition Represents the net increase or decrease to the amount of certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments) due to purchases, sales, issuances, or settlements during the period. The alternative investments represented by this item are subject to significant unobservable inputs (Level 3) for purposes of measuring fair value. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 101 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-101 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 102 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-102 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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