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Risk Management - Not Designated as Hedges Effect on Income Statements (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Derivative [Line Items] |  |  |
Gain/(loss) recognized in income on derivatives | $ 178 | $ (74) | $ (493)
Natural gas, crude and NGL derivative contract settlements |  |  |
Derivative [Line Items] |  |  |
Gain/(loss) recognized in income on derivatives | 58 | (11) | (479)
Revenues—Commodity sales | Energy commodity derivative contracts |  |  |
Derivative [Line Items] |  |  |
Gain/(loss) recognized in income on derivatives | 75 | 137 | (652)
Costs of sales | Energy commodity derivative contracts |  |  |
Derivative [Line Items] |  |  |
Gain/(loss) recognized in income on derivatives | 100 | (190) | 152
Earnings from equity investments | Energy commodity derivative contracts |  |  |
Derivative [Line Items] |  |  |
Gain/(loss) recognized in income on derivatives | 2 | (11) | (5)
Interest, net | Interest rate contracts |  |  |
Derivative [Line Items] |  |  |
Gain/(loss) recognized in income on derivatives | $ 1 | $ (10) | $ 12

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