Revenue - Revenue Disaggregated by Major Product (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 |
Disaggregation of Revenue [Line Items] | | | | |
Total revenue | $ 1,833 | $ 2,522 | $ 5,663 | $ 7,045 |
Revenue from product sales | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 1,807 | 2,514 | 5,551 | 6,984 |
Gasoline | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 882 | 1,186 | 2,713 | 3,287 |
Distillates | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 736 | 1,124 | 2,273 | 2,956 |
Ammonia | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 25 | 22 | 84 | 116 |
UAN | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 77 | 86 | 241 | 354 |
Urea products | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 8 | 8 | 22 | 23 |
Freight revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 15 | 15 | 41 | 45 |
Other products | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 64 | 73 | 177 | 203 |
Crude oil sales | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 26 | 8 | 111 | 60 |
Other revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Other revenue | | | 1 | 1 |
Petroleum Segment | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenue | 1,645 | 2,293 | 5,155 | 6,273 |
Nitrogen Fertilizer Segment | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenue | 124 | 131 | 385 | 540 |
Operating Segments | Petroleum Segment | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenue | 1,648 | 2,298 | 5,165 | 6,290 |
Operating Segments | Petroleum Segment | Revenue from product sales | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 1,622 | 2,290 | 5,053 | 6,229 |
Operating Segments | Petroleum Segment | Gasoline | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 882 | 1,186 | 2,713 | 3,287 |
Operating Segments | Petroleum Segment | Distillates | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 699 | 1,057 | 2,201 | 2,806 |
Operating Segments | Petroleum Segment | Ammonia | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 0 | 0 | 0 | 0 |
Operating Segments | Petroleum Segment | UAN | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 0 | 0 | 0 | 0 |
Operating Segments | Petroleum Segment | Urea products | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 0 | 0 | 0 | 0 |
Operating Segments | Petroleum Segment | Freight revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 4 | 5 | 14 | 13 |
Operating Segments | Petroleum Segment | Other products | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 37 | 42 | 125 | 123 |
Operating Segments | Petroleum Segment | Crude oil sales | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 26 | 8 | 111 | 60 |
Operating Segments | Petroleum Segment | Other revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Other revenue | | | 1 | 1 |
Operating Segments | Nitrogen Fertilizer Segment | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenue | 125 | 131 | 386 | 540 |
Operating Segments | Nitrogen Fertilizer Segment | Revenue from product sales | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 125 | 131 | 386 | 540 |
Operating Segments | Nitrogen Fertilizer Segment | Gasoline | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 0 | 0 | 0 | 0 |
Operating Segments | Nitrogen Fertilizer Segment | Distillates | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 0 | 0 | 0 | 0 |
Operating Segments | Nitrogen Fertilizer Segment | Ammonia | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 25 | 22 | 84 | 116 |
Operating Segments | Nitrogen Fertilizer Segment | UAN | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 77 | 86 | 241 | 354 |
Operating Segments | Nitrogen Fertilizer Segment | Urea products | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 8 | 8 | 22 | 23 |
Operating Segments | Nitrogen Fertilizer Segment | Freight revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 11 | 10 | 27 | 32 |
Operating Segments | Nitrogen Fertilizer Segment | Other products | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 4 | 5 | 12 | 15 |
Operating Segments | Nitrogen Fertilizer Segment | Crude oil sales | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 0 | 0 | 0 | 0 |
Operating Segments | Nitrogen Fertilizer Segment | Other revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Other revenue | | | 0 | 0 |
Other / Elimination | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenue | 60 | 93 | 112 | 215 |
Other / Elimination | Revenue from product sales | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 60 | 93 | 112 | 215 |
Other / Elimination | Gasoline | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 0 | 0 | 0 | 0 |
Other / Elimination | Distillates | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 37 | 67 | 72 | 150 |
Other / Elimination | Ammonia | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 0 | 0 | 0 | 0 |
Other / Elimination | UAN | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 0 | 0 | 0 | 0 |
Other / Elimination | Urea products | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 0 | 0 | 0 | 0 |
Other / Elimination | Freight revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 0 | 0 | 0 | 0 |
Other / Elimination | Other products | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | 23 | 26 | 40 | 65 |
Other / Elimination | Crude oil sales | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from product sales | $ 0 | $ 0 | 0 | 0 |
Other / Elimination | Other revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Other revenue | | | $ 0 | $ 0 |