Revenue - Revenue Disaggregated by Major Product (Details) - USD ($) $ in Millions | 3 Months Ended |
Mar. 31, 2021 | Mar. 31, 2020 |
Disaggregation of Revenue [Line Items] | | |
Net sales | $ 1,463 | $ 1,130 |
Revenue from product sales | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 1,433 | 1,093 |
Gasoline | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 750 | 516 |
Distillates | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 587 | 476 |
Ammonia | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 10 | 14 |
UAN | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 38 | 47 |
Other urea products | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 5 | 4 |
Freight revenue | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 11 | 13 |
Other | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 32 | 23 |
Crude oil sales | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 29 | 37 |
Other revenue | | |
Disaggregation of Revenue [Line Items] | | |
Other revenue | 1 | |
Operating Segments | Petroleum | | |
Disaggregation of Revenue [Line Items] | | |
Net sales | 1,404 | 1,057 |
Operating Segments | Petroleum | Revenue from product sales | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 1,374 | 1,020 |
Operating Segments | Petroleum | Gasoline | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 750 | 516 |
Operating Segments | Petroleum | Distillates | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 587 | 476 |
Operating Segments | Petroleum | Ammonia | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 0 | 0 |
Operating Segments | Petroleum | UAN | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 0 | 0 |
Operating Segments | Petroleum | Other urea products | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 0 | 0 |
Operating Segments | Petroleum | Freight revenue | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 5 | 5 |
Operating Segments | Petroleum | Other | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 32 | 23 |
Operating Segments | Petroleum | Crude oil sales | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 29 | 37 |
Operating Segments | Petroleum | Other revenue | | |
Disaggregation of Revenue [Line Items] | | |
Other revenue | 1 | |
Operating Segments | Nitrogen Fertilizer | | |
Disaggregation of Revenue [Line Items] | | |
Net sales | 61 | 75 |
Operating Segments | Nitrogen Fertilizer | Revenue from product sales | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 61 | 75 |
Operating Segments | Nitrogen Fertilizer | Gasoline | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 0 | 0 |
Operating Segments | Nitrogen Fertilizer | Distillates | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 0 | 0 |
Operating Segments | Nitrogen Fertilizer | Ammonia | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 10 | 14 |
Operating Segments | Nitrogen Fertilizer | UAN | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 38 | 47 |
Operating Segments | Nitrogen Fertilizer | Other urea products | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 5 | 4 |
Operating Segments | Nitrogen Fertilizer | Freight revenue | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 6 | 8 |
Operating Segments | Nitrogen Fertilizer | Other | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 2 | 2 |
Operating Segments | Nitrogen Fertilizer | Crude oil sales | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 0 | 0 |
Operating Segments | Nitrogen Fertilizer | Other revenue | | |
Disaggregation of Revenue [Line Items] | | |
Other revenue | 0 | |
Other / Elimination | | |
Disaggregation of Revenue [Line Items] | | |
Net sales | (2) | (2) |
Other / Elimination | Revenue from product sales | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | (2) | (2) |
Other / Elimination | Gasoline | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 0 | 0 |
Other / Elimination | Distillates | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 0 | 0 |
Other / Elimination | Ammonia | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 0 | 0 |
Other / Elimination | UAN | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 0 | 0 |
Other / Elimination | Other urea products | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 0 | 0 |
Other / Elimination | Freight revenue | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 0 | 0 |
Other / Elimination | Other | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | (2) | (2) |
Other / Elimination | Crude oil sales | | |
Disaggregation of Revenue [Line Items] | | |
Revenue from product sales | 0 | $ 0 |
Other / Elimination | Other revenue | | |
Disaggregation of Revenue [Line Items] | | |
Other revenue | $ 0 | |