XML 87 R50.htm IDEA: XBRL DOCUMENT v3.21.1
Derivative Financial Instruments, Investments and Fair Value Measurements - Additional Information (Details)
derivative in Millions
Mar. 31, 2021
derivative
Commodity Swap Postions  
Derivative [Line Items]  
Outstanding positions 12
Forward Contracts | Purchase Commitments  
Derivative [Line Items]  
Outstanding positions 2
Forward Contracts | Sale Commitments  
Derivative [Line Items]  
Outstanding positions 2
RINs | Purchase Commitments  
Derivative [Line Items]  
Outstanding positions 32