Investments in Unconsolidated Entities - Schedule of Investments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Equity Method Investments and Joint Ventures [Abstract]
Equity method investments	$ 472		$ 472		$ 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	500	$ 483	500	$ 483	$ 495
Schedule of Equity Method Investments [Line Items]
Revenues	1,267	1,349	2,570	2,664
Operating expenses	1,234	1,286	2,508	2,506
Operating income	33	63	62	158
Other income (expense), net	0	0	1	0
Net income	0	39	12	111
Equity Method Investments
Schedule of Equity Method Investments [Line Items]
Revenues	1,770	1,779	3,579	3,595
Operating expenses	1,363	1,395	2,729	2,772
Operating income	407	384	850	823
Other income (expense), net	8	(2)	(8)	(6)
Net income	$ 415	$ 382	$ 842	$ 817