Derivatives - Valuation Adjustments (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Valuation Gain Loss on Derivatives, Gross [Abstract] | |||||
| Derivative assets (CVA) | $ 61 | $ (39) | $ (15) | $ (64) | |
| Derivative assets/liabilities (FVA) | 8 | (31) | 20 | (46) | |
| Derivative liabilities (DVA) | (62) | $ (30) | 31 | $ (3) | |
| Cumulative credit valuation adjustment | 351 | 351 | $ 336 | ||
| Cumulative funding valuation adjustment | 96 | 96 | 116 | ||
| Cumulative debit valuation adjustment | $ 301 | $ 301 | $ 270 | ||