Reinsurance - Schedule of Components of Reinsurance Recoverable (Details) - USD ($) $ in Millions |
Sep. 30, 2026 |
Dec. 31, 2025 |
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| Reserves: | ||
| Claims liability and other | $ 624 | $ 633 |
| Total | 17,514 | 19,518 |
| Annuity benefits | ||
| Reserves: | ||
| Reserves | 11,461 | 13,196 |
| Life | ||
| Reserves: | ||
| Reserves | 5,002 | 5,164 |
| Accident and health | ||
| Reserves: | ||
| Reserves | $ 427 | $ 525 |
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- Definition Funds Held under Reinsurance Agreements, Asset No definition available.
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- Definition Amount of the reinsurer's funds held on its behalf by the ceding insurer, including funds held in trust, under reinsurance treaties or contracts with the assuming insurer as security for the payment of the obligations thereunder. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The sum for all reinsurance arrangements of the known and estimated amount recoverable as of the balance sheet date from a given reinsurer for claims paid or incurred by the ceding insurer and associated claims settlement expenses for each reinsurance arrangement (or, the sum of all cases determined individually, probably applying different assumptions to each arrangement). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after valuation allowance, recoverable under reinsurance contracts including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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