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Revenues and Segment Information, Total Assets by Reportable Segments (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Total Assets by Reportable Segments |  |
Reportable segment assets | $ 60,143 | $ 63,056
Equity Method Investments (Textual): |  |
Investments in nonconsolidated joint ventures | 695 | 713
Corporate and Eliminations [Member] |  |
Total Assets by Reportable Segments |  |
Reportable segment assets | 6,189 | 6,686
Refining [Member] |  |
Equity Method Investments (Textual): |  |
Investments in nonconsolidated joint ventures | 695 | 713
Refining [Member] | Operating Segments [Member] |  |
Total Assets by Reportable Segments |  |
Reportable segment assets | 46,729 | 49,031
Renewable Diesel [Member] | Operating Segments [Member] |  |
Total Assets by Reportable Segments |  |
Reportable segment assets | 5,680 | 5,790
Ethanol [Member] | Operating Segments [Member] |  |
Total Assets by Reportable Segments |  |
Reportable segment assets | $ 1,545 | $ 1,549

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