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Related Party Transactions - Schedule of Reimbursement from Parent and Sale Leaseback (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jul. 01, 2021
Shell Pipeline Company L P          
Related Party Transaction [Line Items]          
Reimbursement related to cost and expenses for maintenance projects       $ 19  
Shell Pipeline Company L P | Mars          
Related Party Transaction [Line Items]          
Cash received $ 9        
Affiliated Entity | Revenue expected to be recognized on multi-year terminaling service contracts | April 2020 Transaction          
Related Party Transaction [Line Items]          
Cash payments received for interest income   $ 30 $ 20    
Cash principal payments received on financing receivables   $ 5 $ 3    
Affiliated Entity | Revenue expected to be recognized on multi-year terminaling service contracts | April 2020 Transaction | Shell Oil Products (SOPUS)          
Related Party Transaction [Line Items]          
Imputed interest rate on financing receivables   11.10%      
Affiliated Entity | Revenue expected to be recognized on multi-year terminaling service contracts | April 2020 Transaction | Shell Chemical          
Related Party Transaction [Line Items]          
Imputed interest rate on financing receivables   7.40%      
Affiliated Entity | Revenue expected to be recognized on multi-year terminaling service contracts | April 2020 Transaction | Norco Transaction          
Related Party Transaction [Line Items]          
Annual payments receivable 140 $ 140     $ 147
Annual payments receivable, gross 151 151     158
Annual payments receivable, net $ 11 $ 11     $ 11