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Derivative and Financial Instruments - Schedule of Income Statement Location and Gain (Loss) Amounts of Derivatives (Details) - Commodity Contract - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Sales and other operating revenues |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Gains (losses) from commodity derivatives | $ 28 | $ (407)
Other income |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Gains (losses) from commodity derivatives | 1 | 1
Purchased commodities |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Gains (losses) from commodity derivatives | $ (72) | $ 401

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