Long-duration Contracts - Reconciliation of Future Policy Benefits (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
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| Liability for Future Policy Benefit, Activity [Line Items] | |||||
| Future policy benefits | $ 45,166 | $ 49,006 | $ 45,166 | $ 49,006 | $ 50,264 |
| Remeasurement gains (losses) on future policy benefits related to discount rate | 2,518 | (235) | 3,228 | (808) | |
| Payout annuities with life contingencies | |||||
| Liability for Future Policy Benefit, Activity [Line Items] | |||||
| Future policy benefits | 37,638 | 41,909 | 37,638 | 41,909 | |
| Whole Life Insurance | |||||
| Liability for Future Policy Benefit, Activity [Line Items] | |||||
| Future policy benefits | 2,074 | 1,429 | 2,074 | 1,429 | |
| Reconciling items | |||||
| Liability for Future Policy Benefit, Activity [Line Items] | |||||
| Future policy benefits | $ 5,454 | $ 5,668 | $ 5,454 | $ 5,668 | |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before effect of reinsurance, of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, before tax and after reclassification adjustment, of unrealized gain (loss) from (increase) decrease in liability for future policy benefit from change in discount rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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