Revenues and Segment Information, Components of Operating Income (Loss) (Details) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) segment	Sep. 30, 2021 USD ($)
Segment Information for our Reportable Segments
Revenues	[1]	$ 44,454	$ 29,520	$ 134,637	$ 78,074
Cost of sales:
Cost of materials and other	[2]	38,064	26,624	115,959	70,865
Operating expenses (excluding depreciation and amortization expense reflected below)		1,746	1,348	4,751	4,218
Depreciation and amortization expense		621	630	1,806	1,772
Total cost of sales		40,431	28,602	122,516	76,855
Other operating expenses		6	19	40	69
General and administrative expenses (excluding depreciation and amortization expense reflected below)		214	195	652	579
Depreciation and amortization expense		11	11	34	35
Operating income		3,792	693	$ 11,395	536
Segment Information (Textual)
Number of reportable segments | segment				3
Corporate, Reconciling Items And Eliminations [Member]
Segment Information for our Reportable Segments
Revenues		(696)	(178)	$ (2,021)	(481)
Cost of sales:
Operating income		(231)	(206)	(694)	(614)
Corporate [Member]
Segment Information for our Reportable Segments
Revenues		0	0	0	0
Cost of sales:
General and administrative expenses (excluding depreciation and amortization expense reflected below)		214	195	652	579
Depreciation and amortization expense		11	11	34	35
Intersegment Eliminations [Member]
Segment Information for our Reportable Segments
Revenues		(696)	(178)	(2,021)	(481)
Cost of sales:
Cost of materials and other	[2]	(689)	(177)	(2,011)	(480)
Operating expenses (excluding depreciation and amortization expense reflected below)		(1)	(1)	(2)	(1)
Depreciation and amortization expense		0	0	0	0
Total cost of sales		(690)	(178)	(2,013)	(481)
Other operating expenses		0	0	0	0
Refining [Member]
Segment Information for our Reportable Segments
Revenues		42,280	27,989	128,588	73,426
Refining [Member] | Operating Segments [Member]
Segment Information for our Reportable Segments
Revenues		42,289	27,992	128,612	73,433
Cost of sales:
Cost of materials and other	[2]	36,389	25,395	111,308	67,417
Operating expenses (excluding depreciation and amortization expense reflected below)		1,516	1,195	4,111	3,730
Depreciation and amortization expense		568	549	1,682	1,626
Total cost of sales		38,473	27,139	117,101	72,773
Other operating expenses		6	18	38	68
General and administrative expenses (excluding depreciation and amortization expense reflected below)		0	0	0	0
Depreciation and amortization expense		0	0	0	0
Operating income		3,810	835	11,473	592
Refining [Member] | Intersegment Eliminations [Member]
Segment Information for our Reportable Segments
Revenues		9	3	24	7
Renewable Diesel [Member]
Segment Information for our Reportable Segments
Revenues		967	342	2,417	1,190
Renewable Diesel [Member] | Operating Segments [Member]
Segment Information for our Reportable Segments
Revenues		1,475	402	3,907	1,405
Cost of sales:
Cost of materials and other	[2]	1,161	256	3,129	724
Operating expenses (excluding depreciation and amortization expense reflected below)		69	26	178	86
Depreciation and amortization expense		33	11	87	35
Total cost of sales		1,263	293	3,394	845
Other operating expenses		0	1	0	1
General and administrative expenses (excluding depreciation and amortization expense reflected below)		0	0	0	0
Depreciation and amortization expense		0	0	0	0
Operating income		212	108	513	559
Segment Information (Textual)
Blender's tax credit		191	62	545	225
Renewable Diesel [Member] | Intersegment Eliminations [Member]
Segment Information for our Reportable Segments
Revenues		508	60	1,490	215
Ethanol [Member]
Segment Information for our Reportable Segments
Revenues		1,207	1,189	3,632	3,458
Ethanol [Member] | Operating Segments [Member]
Segment Information for our Reportable Segments
Revenues		1,386	1,304	4,139	3,717
Cost of sales:
Cost of materials and other	[2]	1,203	1,150	3,533	3,204
Operating expenses (excluding depreciation and amortization expense reflected below)		162	128	464	403
Depreciation and amortization expense		20	70	37	111
Total cost of sales		1,385	1,348	4,034	3,718
Other operating expenses		0	0	2	0
General and administrative expenses (excluding depreciation and amortization expense reflected below)		0	0	0	0
Depreciation and amortization expense		0	0	0	0
Operating income		1	(44)	103	(1)
Ethanol [Member] | Intersegment Eliminations [Member]
Segment Information for our Reportable Segments
Revenues		$ 179	$ 115	$ 507	$ 259

[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.

[2] Cost of materials and other for our Renewable Diesel segment is net of the blender’s tax credit on qualified fuel mixtures of $191 million and $62 million for the three months ended September 30, 2022 and 2021, respectively, and $545 million and $225 million for the nine months ended September 30, 2022 and 2021, respectively.