Risk Management - Effect on Income Statement Not Designated (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Derivative [Line Items] | ||
| Gain/(loss) recognized in income on derivatives | $ (115) | $ (85) |
| Energy commodity derivative contracts | Revenues—Commodity sales | ||
| Derivative [Line Items] | ||
| Gain/(loss) recognized in income on derivatives | (11) | 3 |
| Energy commodity derivative contracts | Costs of sales | ||
| Derivative [Line Items] | ||
| Gain/(loss) recognized in income on derivatives | (105) | (84) |
| Energy commodity derivative contracts | Earnings from equity investments | ||
| Derivative [Line Items] | ||
| Gain/(loss) recognized in income on derivatives | 1 | (2) |
| Interest rate contracts | Interest, net | ||
| Derivative [Line Items] | ||
| Gain/(loss) recognized in income on derivatives | 0 | (2) |
| Derivative Contracts Settled | ||
| Derivative [Line Items] | ||
| Gain/(loss) recognized in income on derivatives | $ (31) | $ (1) |