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Revenues and Segment Information, Total Assets by Reportable Segments (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Total Assets by Reportable Segments |  |
Reportable segment assets | $ 57,888 | $ 51,774
Equity Method Investments (Textual): |  |
Investments in nonconsolidated joint ventures | 734 | 972
Corporate and Eliminations [Member] |  |
Total Assets by Reportable Segments |  |
Reportable segment assets | 5,274 | 5,448
Refining [Member] |  |
Equity Method Investments (Textual): |  |
Investments in nonconsolidated joint ventures | 734 | 972
Refining [Member] | Operating Segments [Member] |  |
Total Assets by Reportable Segments |  |
Reportable segment assets | 47,365 | 42,939
Renewable Diesel [Member] | Operating Segments [Member] |  |
Total Assets by Reportable Segments |  |
Reportable segment assets | 1,812 | 1,728
Ethanol [Member] | Operating Segments [Member] |  |
Total Assets by Reportable Segments |  |
Reportable segment assets | $ 3,437 | $ 1,659

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