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Revenue Contracts with customers (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jan. 01, 2019
Contract with Customer, Liability $ 459 $ 309 $ 367  
Additions 849 788    
Revenue recognized $ (699) (846)    
Sunoco LP [Member]        
Accounts receivable from contracts with customers   256   $ 463
Contract asset   $ 121   $ 157