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Related Party Transactions - Transactions with Other Related Parties (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Related Party Transaction [Line Items]          
Revenues from related parties $ 12,071 $ 14,336 $ 36,014 $ 44,390  
Purchases and related costs from related parties 103 90 302 274  
Trade accounts receivable and other receivables, net from related parties 4,253   4,253   $ 3,907
Trade accounts payable to related parties 4,145   4,145   4,044
Affiliated Entity          
Related Party Transaction [Line Items]          
Revenues from related parties 13 $ 11 37 $ 33  
Trade accounts receivable and other receivables, net from related parties 85   85   45
Trade accounts payable to related parties $ 70   $ 70   $ 79