Annuity Reinsurance - Rollforward of Policyholder Account Balances (Details) $ in Millions |
9 Months Ended |
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Sep. 30, 2026
USD ($)
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| Policyholder Account Balance [Roll Forward] | |
| Balance, beginning of year | $ 0 |
| Assured Life Re Acquisition, January 21, 2026 | 270 |
| Policy charges | 0 |
| Surrenders and withdrawals | (32) |
| Benefit payments | 0 |
| Interest credited | 10 |
| Balance, end of period | $ 248 |
| Weighted-average crediting rate | 5.60% |
| Net amount at risk (1) | $ 0 |
| Cash surrender value | $ 228 |
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- Definition Policyholder Account Balance, Acquired No definition available.
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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 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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