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Derivative Financial Instruments, Investments and Fair Value Measurements - Outstanding Positions Held (Details) - MBbls
MBbls in Thousands
Jun. 30, 2022
Dec. 31, 2021
Forwards | Crude | Purchase Commitments    
Derivative [Line Items]    
Outstanding notional buy (sell) positions 519 67
Swaps | Group 3 Diesel Cracks | Sell Position    
Derivative [Line Items]    
Outstanding notional buy (sell) positions 1,100 0
Futures | Crude | Sell Position    
Derivative [Line Items]    
Outstanding notional buy (sell) positions 0 20
Futures | ULSD | Sell Position    
Derivative [Line Items]    
Outstanding notional buy (sell) positions 528 220
Futures | Soybean | Purchase Commitments    
Derivative [Line Items]    
Outstanding notional buy (sell) positions 109 0