Derivative Assets And Liabilities - Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Total derivatives assets | $ 920 | $ 618 |
| Total derivatives liabilities | (1,332) | (454) |
| Derivatives designated as hedging instruments: | ||
| Total derivatives assets | 30 | 31 |
| Total derivatives liabilities | (22) | (2) |
| Derivatives not designated as hedging instruments: | ||
| Total derivatives assets | 890 | 587 |
| Total derivatives liabilities | (1,310) | (452) |
| Commodity derivatives – margin deposits | Derivatives designated as hedging instruments: | ||
| Total derivatives assets | 30 | 31 |
| Total derivatives liabilities | (22) | (2) |
| Commodity derivatives – margin deposits | Derivatives not designated as hedging instruments: | ||
| Total derivatives assets | 751 | 485 |
| Total derivatives liabilities | (1,153) | (392) |
| Commodity derivatives | Derivatives not designated as hedging instruments: | ||
| Total derivatives assets | 139 | 102 |
| Total derivatives liabilities | $ (157) | $ (60) |