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Revenue - Revenue Disaggregated by Major Product (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Disaggregation of Revenue [Line Items]    
Total revenue $ 2,286 $ 2,373
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-02-01    
Disaggregation of Revenue [Line Items]    
Remaining performance obligation, expected timing of satisfaction, period 7 years 3 months  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-04-01    
Disaggregation of Revenue [Line Items]    
Remaining performance obligation, expected timing of satisfaction, period 3 years  
Revenue from product sales    
Disaggregation of Revenue [Line Items]    
Revenue from product sales $ 2,258 2,367
Gasoline    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 1,010 1,104
Distillates    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 967 962
Ammonia    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 38 42
UAN    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 164 160
Other urea products    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 8 9
Freight revenue    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 14 13
Other    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 57 77
Crude oil sales    
Disaggregation of Revenue [Line Items]    
Revenue from product sales $ 28 5
Other revenue    
Disaggregation of Revenue [Line Items]    
Other revenue   1
Nitrogen Fertilizer Segment | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-04-01    
Disaggregation of Revenue [Line Items]    
Remaining performance obligation, expected timing of satisfaction, period 9 months  
Nitrogen Fertilizer Segment | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01    
Disaggregation of Revenue [Line Items]    
Remaining performance obligation, expected timing of satisfaction, period 1 year  
Operating Segments | Petroleum    
Disaggregation of Revenue [Line Items]    
Total revenue $ 1,993 2,154
Operating Segments | Petroleum | Revenue from product sales    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 1,965 2,148
Operating Segments | Petroleum | Gasoline    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 1,010 1,104
Operating Segments | Petroleum | Distillates    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 919 962
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 3 4
Operating Segments | Petroleum | Other    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 33 78
Operating Segments | Petroleum | Crude oil sales    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 28 5
Operating Segments | Petroleum | Other revenue    
Disaggregation of Revenue [Line Items]    
Other revenue   1
Operating Segments | Nitrogen Fertilizer Segment    
Disaggregation of Revenue [Line Items]    
Total revenue 226 223
Operating Segments | Nitrogen Fertilizer Segment | Revenue from product sales    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 226 223
Operating Segments | Nitrogen Fertilizer Segment | Gasoline    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 0 0
Operating Segments | Nitrogen Fertilizer Segment | Distillates    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 0 0
Operating Segments | Nitrogen Fertilizer Segment | Ammonia    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 38 42
Operating Segments | Nitrogen Fertilizer Segment | UAN    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 164 160
Operating Segments | Nitrogen Fertilizer Segment | Other urea products    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 8 9
Operating Segments | Nitrogen Fertilizer Segment | Freight revenue    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 11 9
Operating Segments | Nitrogen Fertilizer Segment | Other    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 5 3
Operating Segments | Nitrogen Fertilizer Segment | Crude oil sales    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 0 0
Operating Segments | Nitrogen Fertilizer Segment | Other revenue    
Disaggregation of Revenue [Line Items]    
Other revenue   0
Other / Eliminations    
Disaggregation of Revenue [Line Items]    
Total revenue 67 (4)
Other / Eliminations | Revenue from product sales    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 67 (4)
Other / Eliminations | Gasoline    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 0 0
Other / Eliminations | Distillates    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 48 0
Other / Eliminations | Ammonia    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 0 0
Other / Eliminations | UAN    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 0 0
Other / Eliminations | Other urea products    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 0 0
Other / Eliminations | Freight revenue    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 0 0
Other / Eliminations | Other    
Disaggregation of Revenue [Line Items]    
Revenue from product sales 19 (4)
Other / Eliminations | Crude oil sales    
Disaggregation of Revenue [Line Items]    
Revenue from product sales $ 0 0
Other / Eliminations | Other revenue    
Disaggregation of Revenue [Line Items]    
Other revenue   $ 0