Related Party Transactions - Transactions with Other Related Parties (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Revenues from related parties	$ 48,712	$ 57,342	$ 42,078
Purchases and related costs from related parties	404	365	385
Trade accounts receivable and other receivables, net from related parties	3,760	3,907
Trade accounts payable to related parties	3,845	4,045
Affiliated Entity
Related Party Transaction [Line Items]
Revenues from related parties	48	45	$ 33
Trade accounts receivable and other receivables, net from related parties	63	45
Trade accounts payable to related parties	$ 72	$ 79