Derivative Instruments and Hedging Activities, Net Gains (Losses) from Derivative Valuation Adjustments (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||||
| CVA | $ 45 | $ (36) | $ (17) | $ (59) |
| DVA | (30) | 10 | 49 | (8) |
| FVA | 7 | (26) | (2) | (47) |
| Total | $ 22 | $ (52) | $ 30 | $ (114) |