Derivatives - Valuation Adjustments (Details) - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
|
| Valuation Gain Loss on Derivatives, Gross [Abstract] | |||
| Derivative assets (CVA) | $ (76) | $ (25) | |
| Derivative assets/liabilities (FVA) | 12 | (15) | |
| Derivative liabilities (DVA) | 93 | $ 27 | |
| Cumulative credit valuation adjustment | 412 | $ 336 | |
| Cumulative funding valuation adjustment | 104 | 116 | |
| Cumulative debit valuation adjustment | $ 363 | $ 270 | |