Segment Information - Segment Adjusted EBITDA Reconciliation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information
Segment Adjusted EBITDA	$ 583	$ 562	$ 1,709	$ 1,681
Total other segment items	135	(43)	295	177
Unallocated general and administrative expenses	(84)	(87)	(255)	(251)
Depreciation and amortization	(230)	(226)	(696)	(675)
(Gains)/losses on asset sales, net	92		64	(2)
Gain on investments in unconsolidated entities, net			31	0
Interest expense, net	(112)	(97)	(330)	(287)
Other income, net	(9)	10	5	14
INCOME FROM CONTINUING OPERATIONS BEFORE TAX	458	205	1,074	903
Income tax expense from continuing operations	(30)	(18)	(76)	(106)
Income from continuing operations, net of tax	428	187	998	797
Segment Reporting, Reconciling Item, Corporate Nonsegment
Segment Reporting Information
Unallocated general and administrative expenses	$ (1)	$ (1)	$ (4)	$ (5)