Derivatives (Embedded Derivatives) (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
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| Derivatives, Fair Value [Line Items] | ||
| Total | $ 152 | $ (57) |
| Funds withheld and guarantees on reinsurance | us-gaap_OtherLiabilitiesNonCurrent | ||
| Derivatives, Fair Value [Line Items] | ||
| Total | (292) | (10) |
| Fixed annuities with equity indexed returns [Member] | Policyholder account balances | ||
| Derivatives, Fair Value [Line Items] | ||
| Total | (140) | (67) |
| Funds withheld on ceded reinsurance Chariot Re. | ||
| Derivatives, Fair Value [Line Items] | ||
| Total | $ (84) | $ 81 |
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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/exampleRef
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- Definition Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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