Investments (Loan Valuation Allowance for Mortgage Loans) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Allowance For Loan And Lease Losses Roll Forward | ||||
| Balance, Beginning of Period | $ 115 | $ 89 | $ 117 | $ 93 |
| Provision (release) | 0 | 0 | (7) | 0 |
| Balance, End of Period | 127 | 107 | 127 | 107 |
| Allowance For Loan and Lease Losses Provision Of Credit Losses | $ 12 | $ 18 | $ 17 | $ 14 |