Derivatives Financial Instruments - Derivative Income Statement Location (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2023 |
|
| Derivative [Line Items] | ||
| Derivative, Gain (Loss) on Derivative, Net | $ (12) | $ 2 |
| Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Net income | Net income |
| Purchased product costs | ||
| Derivative [Line Items] | ||
| Realized gain (loss) | $ (4) | $ (3) |
| Unrealized Gain (Loss) on Derivatives and Commodity Contracts | (8) | 3 |
| Derivative, Gain (Loss) on Derivative, Net | (12) | 0 |
| Product Sales | ||
| Derivative [Line Items] | ||
| Unrealized Gain (Loss) on Derivatives and Commodity Contracts | 0 | 2 |
| Derivative, Gain (Loss) on Derivative, Net | $ 0 | $ 2 |