Derivative Assets And Liabilities - Partnership's Derivative Assets and Liabilities Amount of Gain (Loss) Recognized (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| General Discussion of Derivative Instruments and Hedging Activities [Abstract] | ||||
| Gain (loss) on commodity derivatives | $ 241 | $ 116 | $ (151) | $ 104 |
| Gain on interest rate derivatives | 2 | 0 | 2 | 0 |
| Total | $ 243 | $ 116 | $ (149) | $ 104 |