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Revenues and Segment Information, Components of Operating Income (Loss) (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) segment | Sep. 30, 2020 USD ($)
Segment Information for our Reportable Segments |  |  |  |  |
Revenues | [1] | $ 29,520 | $ 15,809 | $ 78,074 | $ 48,308
Cost of sales: |  |  |  |  |
Cost of materials and other |  | 26,624 | 14,801 | 70,865 | 43,832
LCM inventory valuation adjustment |  | 0 | (313) | 0 | (19)
Operating expenses (excluding depreciation and amortization expense reflected below) |  | 1,348 | 1,117 | 4,218 | 3,268
Depreciation and amortization expense |  | 630 | 602 | 1,772 | 1,737
Total cost of sales |  | 28,602 | 16,207 | 76,855 | 48,818
Other operating expenses |  | 19 | 25 | 69 | 30
General and administrative expenses (excluding depreciation and amortization expense reflected below) |  | 195 | 186 | 579 | 532
Depreciation and amortization expense |  | 11 | 12 | 35 | 37
Operating income (loss) |  | 693 | (621) | $ 536 | (1,109)
Disclosure of Entity's Reportable Segments (Textual) |  |  |  |  |
Number of reportable segments | segment |  |  |  | 3 |
Corporate, Reconciling Items And Eliminations [Member] |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |
Revenues |  | (178) | (100) | $ (481) | (316)
Cost of sales: |  |  |  |  |
Operating income (loss) |  | (206) | (198) | (614) | (571)
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) |  | 195 | 186 | 579 | 532
Depreciation and amortization expense |  | 11 | 12 | 35 | 37
Intersegment Eliminations [Member] |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |
Revenues |  | (178) | (100) | (481) | (316)
Cost of sales: |  |  |  |  |
Cost of materials and other |  | (177) | (100) | (480) | (314)
LCM inventory valuation adjustment |  |  | 0 |  | 0
Operating expenses (excluding depreciation and amortization expense reflected below) |  | (1) | 0 | (1) | 0
Depreciation and amortization expense |  | 0 | 0 | 0 | 0
Total cost of sales |  | (178) | (100) | (481) | (314)
Other operating expenses |  | 0 | 0 | 0 | 0
Refining [Member] |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |
Revenues |  | 27,989 | 14,727 | 73,426 | 45,327
Refining [Member] | Operating Segments [Member] |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |
Revenues |  | 27,992 | 14,729 | 73,433 | 45,333
Cost of sales: |  |  |  |  |
Cost of materials and other |  | 25,395 | 14,103 | 67,417 | 41,769
LCM inventory valuation adjustment |  |  | (296) |  | (19)
Operating expenses (excluding depreciation and amortization expense reflected below) |  | 1,195 | 989 | 3,730 | 2,912
Depreciation and amortization expense |  | 549 | 538 | 1,626 | 1,607
Total cost of sales |  | 27,139 | 15,334 | 72,773 | 46,269
Other operating expenses |  | 18 | 24 | 68 | 29
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 (loss) |  | 835 | (629) | 592 | (965)
Refining [Member] | Intersegment Eliminations [Member] |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |
Revenues |  | 3 | 2 | 7 | 6
Renewable Diesel [Member] |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |
Revenues |  | 342 | 305 | 1,190 | 850
Renewable Diesel [Member] | Operating Segments [Member] |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |
Revenues |  | 402 | 345 | 1,405 | 1,000
Cost of sales: |  |  |  |  |
Cost of materials and other |  | 256 | 128 | 724 | 393
LCM inventory valuation adjustment |  |  | 0 |  | 0
Operating expenses (excluding depreciation and amortization expense reflected below) |  | 26 | 23 | 86 | 63
Depreciation and amortization expense |  | 11 | 10 | 35 | 33
Total cost of sales |  | 293 | 161 | 845 | 489
Other operating expenses |  | 1 | 0 | 1 | 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 (loss) |  | 108 | 184 | 559 | 511
Renewable Diesel [Member] | Intersegment Eliminations [Member] |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |
Revenues |  | 60 | 40 | 215 | 150
Ethanol [Member] |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |
Revenues |  | 1,189 | 777 | 3,458 | 2,131
Ethanol [Member] | Operating Segments [Member] |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |
Revenues |  | 1,304 | 835 | 3,717 | 2,291
Cost of sales: |  |  |  |  |
Cost of materials and other |  | 1,150 | 670 | 3,204 | 1,984
LCM inventory valuation adjustment |  |  | (17) |  | 0
Operating expenses (excluding depreciation and amortization expense reflected below) |  | 128 | 105 | 403 | 293
Depreciation and amortization expense |  | 70 | 54 | 111 | 97
Total cost of sales |  | 1,348 | 812 | 3,718 | 2,374
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 (loss) |  | (44) | 22 | (1) | (84)
Ethanol [Member] | Intersegment Eliminations [Member] |  |  |  |  |
Segment Information for our Reportable Segments |  |  |  |  |
Revenues |  | $ 115 | $ 58 | $ 259 | $ 160
[1] | Includes excise taxes on sales by certain of our international operations of $1,610 million and $1,339 million for the three months ended September 30, 2021 and 2020, respectively, and $4,152 million and $3,491 million for the nine months ended September 30, 2021 and 2020, respectively.

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