Insurance and Contractholder Liabilities - Market Risk Benefits (Details) - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
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| Insurance Loss Reserves [Abstract] | ||
| Annuitization election period | 30 days | |
| Market Risk Benefit [Roll Forward] | ||
| Balance, beginning of year | $ 785 | $ 1,003 |
| Balance, beginning of year, before the effect of nonperformance risk (own credit risk) | 838 | 1,085 |
| Changes due to expected run-off | (14) | (7) |
| Changes due to capital markets versus expected | (30) | (78) |
| Changes due to policyholder behavior versus expected | (20) | (26) |
| Assumption changes | (17) | 37 |
| Balance, end of period, before the effect of changes in nonperformance risk (own credit risk) | 757 | 1,011 |
| Nonperformance risk (own credit risk), end of period | (48) | (67) |
| Balance, end of period | 709 | 944 |
| Reinsured market risk benefit, end of period | $ 756 | $ 1,008 |
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- Definition The period of time prior to a policy anniversary when an annuitization election must occur. No definition available.
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- Definition Market Risk Benefit, Increase (Decrease) Due to Expected Run-Off No definition available.
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- Definition Market Risk Benefit, Increase (Decrease) From Interest Rate Change And Equity Market Change No definition available.
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- Definition Amount, before tax, of accumulated other comprehensive income (loss) (AOCI) from (increase) decrease in instrument-specific credit risk on contract or contract feature in long-duration contract issued by insurance entity protecting contract holder from other-than-nominal capital market risk and exposing insurance entity to other-than-nominal capital market risk. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount, before effect of reinsurance and after accumulated increase (decrease) in instrument-specific credit risk, of contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before effect of reinsurance and cumulative increase (decrease) in instrument-specific credit risk, of contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) in contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk from change associated with actual policyholder behavior different from expected. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase (decrease) in contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk from change in assumption, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after allowance for credit loss, recoverable under reinsurance for contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. 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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