Revenues and Segment Information, Disaggregation of Revenue by Product (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue by Segment
Revenues	[1]	$ 44,454	$ 29,520	$ 134,637	$ 78,074
Refining [Member]
Revenue by Segment
Revenues		42,280	27,989	128,588	73,426
Refining [Member] | Gasoline and Blendstocks [Member]
Revenue by Segment
Revenues		17,862	13,132	54,026	34,293
Refining [Member] | Distillates [Member]
Revenue by Segment
Revenues		20,481	11,588	62,352	31,044
Refining [Member] | Other Product Revenues [Member]
Revenue by Segment
Revenues		3,937	3,269	12,210	8,089
Renewable Diesel [Member]
Revenue by Segment
Revenues		967	342	2,417	1,190
Renewable Diesel [Member] | Renewable Diesel [Member]
Revenue by Segment
Revenues		967	342	2,417	1,190
Ethanol [Member]
Revenue by Segment
Revenues		1,207	1,189	3,632	3,458
Ethanol [Member] | Ethanol [Member]
Revenue by Segment
Revenues		966	948	2,820	2,683
Ethanol [Member] | Distillers Grains [Member]
Revenue by Segment
Revenues		$ 241	$ 241	$ 812	$ 775

[1] Includes excise taxes on sales by certain of our foreign operations of $1,213 million and $1,610 million for the three months ended September 30, 2022 and 2021, respectively, and $3,890 million and $4,152 million for the nine months ended September 30, 2022 and 2021, respectively.