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Related Party Transactions - Expenses from Related Parties (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Related Party Transaction [Line Items]    
Sales to related parties: $ 1,863 $ 2,286
Dividends 50 50
Related Party | CVRP JV CO Contract    
Related Party Transaction [Line Items]    
Sales to related parties: 1 1
Related Party | Enable Joint Venture Transportation Agreement    
Related Party Transaction [Line Items]    
Purchases from related parties: 3 3
Related Party | Midway Joint Venture Agreement    
Related Party Transaction [Line Items]    
Purchases from related parties: 7 6
Dividends    
Related Party Transaction [Line Items]    
Dividends $ 33 $ 36