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Financial and Derivative Instruments - Effect of Derivatives (Details) - Commodity - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Consolidated Statement of Income: The Effect of Derivatives not Designated as Hedging Instruments |  |  |  |
Effect of derivatives, gain (loss), net | $ (49) | $ 69 | $ (258) | $ (16)
Sales and other operating revenues |  |  |  |
Consolidated Statement of Income: The Effect of Derivatives not Designated as Hedging Instruments |  |  |  |
Effect of derivatives, gain (loss), net | (82) | 78 | (240) | (19)
Purchased crude oil and products |  |  |  |
Consolidated Statement of Income: The Effect of Derivatives not Designated as Hedging Instruments |  |  |  |
Effect of derivatives, gain (loss), net | 25 | 1 | (39) | 19
Other income (loss) |  |  |  |
Consolidated Statement of Income: The Effect of Derivatives not Designated as Hedging Instruments |  |  |  |
Effect of derivatives, gain (loss), net | $ 8 | $ (10) | $ 21 | $ (16)

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