Investments (Fixed Maturity Securities AFS - Sales and Disposals and Credit Loss) (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Debt Securities, Available-for-sale [Line Items] | ||
| Proceeds | $ 7,443 | $ 3,280 |
| Gross investment gains | 86 | 23 |
| Gross investment (losses) | (195) | (172) |
| Realized gains (losses) on sales and disposals | (109) | (149) |
| Net credit loss (provision) release (change in ACL recognized in earnings) | 0 | 26 |
| Impairment (losses) | (3) | (3) |
| Net credit loss (provision) release and impairment (losses) | (3) | 23 |
| Net investment gains (losses) | (65) | (176) |
| Equity securities, Realized gains(losses) on sales and disposals | (8) | (22) |
| Equity Securities, FV-NI, Unrealized Gain (Loss) | 16 | 13 |
| Equity Securities, FV-NI, Gain (Loss) | 8 | (9) |
| Fixed Maturity Securities | ||
| Debt Securities, Available-for-sale [Line Items] | ||
| Net investment gains (losses) | $ (112) | $ (126) |
| X | ||||||||||
- Definition Impairment Loss, Debt Securities, Available-for-Sale No definition available.
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| X | ||||||||||
- Definition Amount of increase (decrease) in allowance for credit loss of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense related to credit loss from transactions other than loan and lease transactions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of realized gain (loss) on investment. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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- Details
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