Fair Value Measurement - Impact of Credit Adjustments (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Credit and funding adjustments: | ||||
| Derivatives CVA | $ (105) | $ 37 | $ (139) | $ (80) |
| Derivatives FVA | $ (52) | $ 18 | $ (74) | $ (41) |