Basis of Presentation and Accounting Policies (Details) - Held For Sale $ in Millions |
Dec. 31, 2025
USD ($)
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|---|---|
| Assets | |
| Total assets held for sale | $ 4,550 |
| Liabilities | |
| Total liabilities held for sale | 2,542 |
| Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] | Canadian insurance business excluding surety business [Member] | |
| Assets | |
| Fixed maturities, available for sale, at fair value | 3,243 |
| Premiums receivable | 263 |
| Reinsurance recoverables | 285 |
| Goodwill | 208 |
| Remaining assets held for sale | 551 |
| Total assets held for sale | 4,550 |
| Liabilities | |
| Claims and claim adjustment expense reserves | 1,909 |
| Unearned premium reserves | 514 |
| Remaining liabilities held for sale | 119 |
| Total liabilities held for sale | $ 2,542 |
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) attributable to disposal group held for sale or disposed of. No definition available.
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- Definition Amount, after valuation allowance, recoverable under reinsurance contracts, attributable to disposal group held for sale or disposed of. No definition available.
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- Definition Amount of unearned premium reserves attributable to disposal group held for sale. No definition available.
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- Definition Amount classified as assets attributable to disposal group held for sale or disposed of. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount classified as goodwill attributable to disposal group held for sale or disposed of. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of liability for claims and claims adjustment expense attributable to disposal group held for sale or disposed of. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount classified as other assets attributable to disposal group held for sale or disposed of. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount classified as other liabilities attributable to disposal group held for sale or disposed of. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after allowance for credit loss, of premium receivable attributable to disposal group held for sale or disposed of. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount classified as liabilities attributable to disposal group held for sale or disposed of. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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