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Revenues and Segment Information, Assets (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Total Assets by Reportable Segment
Reportable segment assets	$ 62,574	$ 63,056
Corporate and Eliminations [Member]
Total Assets by Reportable Segment
Reportable segment assets	6,156	6,686
Refining [Member] | Operating Segments [Member]
Total Assets by Reportable Segment
Reportable segment assets	49,070	49,031
Renewable Diesel [Member] | Operating Segments [Member]
Total Assets by Reportable Segment
Reportable segment assets	5,852	5,790
Ethanol [Member] | Operating Segments [Member]
Total Assets by Reportable Segment
Reportable segment assets	$ 1,496	$ 1,549

X

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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