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Related Party Transactions - Narrative (Details)
$ in Millions
3 Months Ended
Feb. 16, 2022
Mar. 23, 2021
Feb. 01, 2019
USD ($)
Mar. 31, 2022
USD ($)
facility
Mar. 31, 2021
USD ($)
Dec. 31, 2021
Apr. 01, 2020
USD ($)
quarter
Related Party Transaction [Line Items]              
Health and life insurance costs       $ 1 $ 2    
Defined contribution benefit costs       $ 1 $ 1    
Five Year Fixed Facility | Revolving Credit Facility              
Related Party Transaction [Line Items]              
Debt instrument term   5 years          
Five Year Fixed Facility | Shell Treasury Center West Inc              
Related Party Transaction [Line Items]              
Number of revolving credit facilities | facility       5      
2021 Ten Year Fixed Facility | Revolving Credit Facility              
Related Party Transaction [Line Items]              
Debt instrument term       10 years      
2021 Ten Year Fixed Facility | Shell Treasury Center West Inc | Revolving Credit Facility              
Related Party Transaction [Line Items]              
Debt instrument term       10 years      
Ten Year Fixed Facility | Revolving Credit Facility              
Related Party Transaction [Line Items]              
Debt instrument term       10 years      
Ten Year Fixed Facility | Shell Treasury Center West Inc | Revolving Credit Facility              
Related Party Transaction [Line Items]              
Debt instrument term       10 years      
Seven Year Fixed Facility | Revolving Credit Facility              
Related Party Transaction [Line Items]              
Debt instrument term       7 years      
Seven Year Fixed Facility | Shell Treasury Center West Inc | Revolving Credit Facility              
Related Party Transaction [Line Items]              
Debt instrument term       7 years      
Five Year Revolver due July 2023 | Revolving Credit Facility              
Related Party Transaction [Line Items]              
Debt instrument term       5 years      
Five Year Revolver due July 2023 | Shell Treasury Center West Inc | Revolving Credit Facility              
Related Party Transaction [Line Items]              
Debt instrument term       5 years      
Five Year Revolver due December 2022 | Revolving Credit Facility              
Related Party Transaction [Line Items]              
Debt instrument term 5 years     5 years      
Five Year Revolver due December 2022 | Shell Treasury Center West Inc | Revolving Credit Facility              
Related Party Transaction [Line Items]              
Debt instrument term       5 years      
Trade Marks License Agreement              
Related Party Transaction [Line Items]              
Trademarks agreement, termination notice period     360 days        
Partnership Interests Restructuring Agreement | Financing Receivables              
Related Party Transaction [Line Items]              
Distributions payable, amount waived             $ 20
Distribution payable, number of consecutive quarters | quarter             4
Shell Pipeline Company L P | Omnibus Agreement              
Related Party Transaction [Line Items]              
Payment of general and administrative fee     $ 10        
Odyssey Pipeline L.L.C. (“Odyssey”) | GEL Offshore Pipeline LLC              
Related Party Transaction [Line Items]              
Noncontrolling interest       29.00%   29.00%