Derivative Instruments and Hedging Activities, Net Gains (Losses) from Derivative Valuation Adjustments (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | |||
| CVA | $ (11) | $ 17 | $ 80 |
| DVA | (26) | 4 | (109) |
| FVA | (8) | (85) | 0 |
| Total | $ (45) | $ (64) | $ (29) |