Revenues and Segment Information, Assets (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Total Assets by Reportable Segment
Reportable segment assets	$ 60,177	$ 60,982
Corporate and Eliminations [Member]
Total Assets by Reportable Segment
Reportable segment assets	6,307	5,730
Refining [Member] \| Operating Segments [Member]
Total Assets by Reportable Segment
Reportable segment assets	46,852	48,484
Renewable Diesel [Member] \| Operating Segments [Member]
Total Assets by Reportable Segment
Reportable segment assets	5,390	5,217
Ethanol [Member] \| Operating Segments [Member]
Total Assets by Reportable Segment
Reportable segment assets	$ 1,628	$ 1,551

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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+ Details