Changes in Policyholders' Account Balances (Details) - Investment contract reserves: - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Deferred Fixed Annuity | ||||
| Policyholder Account Balance [Roll Forward] | ||||
| Balance, beginning of period | $ 582 | $ 631 | $ 595 | $ 656 |
| Premiums received | 8 | 10 | 12 | 19 |
| Policy charges | 0 | 0 | 0 | 0 |
| Surrenders and withdrawals | (18) | (26) | (35) | (63) |
| Benefit payments | (3) | (2) | (8) | (5) |
| Interest credited | 6 | 5 | 11 | 11 |
| Balance, end of period | $ 575 | $ 618 | $ 575 | $ 618 |
| Weighted average crediting rate | 3.71% | 3.59% | 3.71% | 3.59% |
| Net amount at risk | $ 0 | $ 0 | $ 0 | $ 0 |
| Cash surrender value | 568 | 612 | 568 | 612 |
| Universal life | ||||
| Policyholder Account Balance [Roll Forward] | ||||
| Balance, beginning of period | 457 | 456 | 456 | 457 |
| Premiums received | 9 | 9 | 19 | 19 |
| Policy charges | (10) | (10) | (20) | (20) |
| Surrenders and withdrawals | (3) | (3) | (6) | (7) |
| Benefit payments | (4) | (1) | (5) | (3) |
| Interest credited | 5 | 5 | 10 | 10 |
| Balance, end of period | $ 454 | $ 456 | $ 454 | $ 456 |
| Weighted average crediting rate | 4.43% | 4.33% | 4.43% | 4.33% |
| Net amount at risk | $ 3,746 | $ 3,892 | $ 3,746 | $ 3,892 |
| Cash surrender value | $ 426 | $ 425 | $ 426 | $ 425 |
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- Definition Amount of cash to be paid to policyholder upon termination and surrender of long-duration contract issued by insurance entity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of interest expense for allocation to policyholder account balance. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash outflow to policyholder account balance from benefit payment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of guaranteed benefit in excess of current account balance of policyholder account balance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in liability for policyholder account balance from policy charge. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash inflow to policyholder account balance from premium received. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of decrease in liability for policyholder account balance from contract redemption and withdrawal of funds. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Weighted-average crediting rate for liability for policyholder account balance, calculated at a point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount due to policyholder. Includes, but is not limited to, unpaid policy dividend, retrospective refund, and undistributed earnings on participating business. Excludes future policy benefit and claim expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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