Related Party Transactions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Operating revenues and other income	$ 58,574	$ 82,156	$ 48,349
Purchases	0	1	5
Operating expenses and selling, general and administrative expenses	705	623	719
Related Party
Related Party Transaction [Line Items]
Operating revenues and other income	90	88	88
Operating expenses and selling, general and administrative expenses	282	189	196
Net interest (income)/loss	$ 0	$ (1)	$ (2)