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Information Relating to the Consolidated Statement of Cash Flows - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |
Non cash transaction in operating segments | $ (2,180) | $ (950) | $ (414)
Upstream | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Non cash transaction in operating segments | (1,765) |  |
Downstream | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Non cash transaction in operating segments | $ (1,950) |  |

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