Investments in Unconsolidated Entities - Schedule of Investments (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
Equity Method Investments and Joint Ventures [Abstract]
Equity method investments	$ 492		$ 492		$ 468
Measurement alternative method investments	19		19		18
Investments recorded using the net asset value practical expedient	9		9		9
Total investments in unconsolidated entities	520	$ 503	520	$ 503	$ 495
Schedule of Equity Method Investments [Line Items]
Revenues	1,278	1,392	3,848	4,056
Operating expenses	1,230	1,403	3,738	3,909
Operating income	48	(11)	110	147
Other income (expense), net	0	0	1	1
Net income	4	(10)	16	101
Equity Method Investments
Schedule of Equity Method Investments [Line Items]
Revenues	1,812	1,835	5,390	5,430
Operating expenses	1,426	1,402	4,154	4,174
Operating income	386	433	1,236	1,256
Other income (expense), net	(13)	(7)	(21)	(13)
Net income	$ 373	$ 426	$ 1,215	$ 1,243