Reinsurance and Indemnification - Schedule of Rollforward of Credit Loss Allowance for Reinsurance Recoverables (Details) - Property and casualty - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward] | ||||
| Beginning balance | $ (55) | $ (63) | $ (54) | $ (63) |
| Increase in the provision for credit losses | (6) | (1) | (7) | (1) |
| Write-offs | 1 | 10 | 1 | 10 |
| Ending balance | $ (60) | $ (54) | $ (60) | $ (54) |
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- Definition Amount of the write-down or write-off of a receivable from a reinsurer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in allowance for credit loss on reinsurance recoverable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount of allowance for credit loss on reinsurance recoverable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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