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Debt, Activity Under Credit Facilities (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Accounts Receivable Sales Facility [Member] | Line of Credit [Member]    
Line of Credit Facility    
Borrowings, short-term credit facilities $ 800 $ 0
Repayments, short-term credit facilities (800) 0
DGD Revolver [Member] | Line of Credit [Member] | DGD [Member] | Variable Interest Entity, Primary Beneficiary [Member]    
Line of Credit Facility    
Borrowings, long-term credit facilities 359 0
Repayments, long-term credit facilities (359) 0
IEnova Revolver [Member] | Line of Credit [Member] | Central Mexico Terminals [Member] | Variable Interest Entity, Primary Beneficiary [Member]    
Line of Credit Facility    
Borrowings, long-term credit facilities 46 16
Repayments, long-term credit facilities $ (30) $ 0