Reinsurance, Allowance (Details) - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Reinsurance Disclosures [Abstract] | ||
| Valuation allowance for uncollectible reinsurance - beginning of period | $ 320 | $ 310 |
| Provision for uncollectible reinsurance | 26 | 20 |
| Write-offs charged against the valuation allowance | (15) | (7) |
| Foreign exchange revaluation | 1 | 3 |
| Valuation allowance for uncollectible reinsurance - end of period | $ 332 | $ 326 |
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- Definition Reinsurance Recoverable, Allowance for Credit Loss, Other including foreign exchange No definition available.
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- References No definition available.
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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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- Definition Amount of expense (reversal of expense) for expected credit loss on reinsurance recoverable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of allowance for credit loss on reinsurance recoverable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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