Long-duration Contracts - Schedule of Reconciliation of Market Risk Benefits (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|---|---|
| Market Risk Benefit [Line Items] | ||||
| Asset | $ 169 | $ 277 | ||
| Liability | 5,283 | 4,489 | ||
| Net Liability | 5,114 | $ 4,716 | 4,212 | $ 3,715 |
| Traditional Deferred Annuities | ||||
| Market Risk Benefit [Line Items] | ||||
| Asset | 0 | 0 | ||
| Liability | 207 | 195 | ||
| Net Liability | 207 | 205 | 195 | 190 |
| Indexed Annuities | ||||
| Market Risk Benefit [Line Items] | ||||
| Asset | 169 | 277 | ||
| Liability | 5,076 | 4,294 | ||
| Net Liability | $ 4,907 | $ 4,511 | $ 4,017 | $ 3,525 |
| X | ||||||||||
- 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 of asset position 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 Amount of liability position 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 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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