Investments (Investment Related Gains (Losses) Net) (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Investments [Abstract] | ||
| Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net | $ (22) | $ (6) |
| Impairment Losses On Debt Securities Available for Sale | (1) | 0 |
| Gain on investment activity | 59 | 36 |
| Available-for-sale Securities, Realized Losses, Excluding Other than Temporary Impairments | (165) | (87) |
| Gain (Loss) on Sale of Equity Investments | (14) | (1) |
| Other impairment losses and change in mortgage loan provision | 2 | 4 |
| Gains (Losses) on Sales of Other Real Estate | (22) | (5) |
| Derivatives and other, net | (57) | (2) |
| Total investment related gains (losses), net | (170) | (79) |
| Change In Fair Value Of Certain Limited Partnership Investments And Other, Net | 6 | (7) |
| Gain (Loss) on Sale of Derivatives | $ 44 | $ (11) |
| X | ||||||||||
- Definition Change In Fair Value Of Certain Limited Partnership Investments And Other, Net No definition available.
|
| X | ||||||||||
- Definition Net realized gains or losses on investments during the period related to the change in value of embedded derivatives and other realized gains and losses not otherwise categorized. No definition available.
|
| X | ||||||||||
- Definition Impairment Losses On Debt Securities Available for Sale No definition available.
|
| X | ||||||||||
- Definition Other impairment losses and change in mortgage loan provision. No definition available.
|
| 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
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of realized gain (loss) on investment. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|