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Derivative Financial Instruments, Investments and Fair Value Measurements - Additional Information (Details)
derivative in Millions
Jun. 30, 2021
derivative
Commodity Swap Postions  
Derivative [Line Items]  
Outstanding positions 6
Forward Contracts | Purchase Commitments  
Derivative [Line Items]  
Outstanding positions 1
Forward Contracts | Sale Commitments  
Derivative [Line Items]  
Outstanding positions 1
RINs | Purchase Commitments  
Derivative [Line Items]  
Outstanding positions 21