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Leases (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Lessee, Lease, Description [Line Items]      
Operating lease cost $ 102 $ 107 $ 95
Short-term lease cost 25 17 26
Variable lease cost 7 6 4
Total lease cost 134 130 125
Operating Lease, Payments 97 105 93
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 80 80 $ 73
Operating lease right-of-use assets 243 259  
Current operating lease liabilities (89) (88)  
Operating lease liabilities 162 174  
Operating Lease, Liability $ 251 $ 262  
Operating Lease, Weighted Average Remaining Lease Term 4 years 4 years  
Operating Lease, Weighted Average Discount Rate, Percent 3.80% 4.70%  
Operating lease payments, 2021 $ 91    
Operating lease payments, 2022 69    
Operating lease payments, 2023 50    
Operating lease payments, 2024 30    
Operating lease payments, 2025 19    
Operating lease payments, Thereafter 11    
Lessee, Operating Lease, Liability, Payments, Due 270    
Lessee, Operating Lease, Liability, Undiscounted Excess Amount $ (19)    
Rail car | Minimum      
Lessee, Lease, Description [Line Items]      
Term 1 year    
Rail car | Maximum      
Lessee, Lease, Description [Line Items]      
Term 11 years    
Barge charter | Minimum      
Lessee, Lease, Description [Line Items]      
Term 2 years    
Barge charter | Maximum      
Lessee, Lease, Description [Line Items]      
Term 6 years    
Storage Agreements | Minimum      
Lessee, Lease, Description [Line Items]      
Term 1 year    
Storage Agreements | Maximum      
Lessee, Lease, Description [Line Items]      
Term 10 years