Segment Information - Reconciliation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Depreciation and amortization	$ (748)	$ (733)
OPERATING INCOME	45	390
Total other income, net	57	290
INCOME BEFORE INCOME TAXES	102	680
Income tax expense	45	169
NET INCOME	57	511
Operating Segments
Segment Reporting Information [Line Items]
Total segment adjusted EBITDA	1,731	2,009
Segment Reconciling Items
Segment Reporting Information [Line Items]
Depreciation and amortization	(748)	(733)
Other unallocated expense	(924)	(872)
Stock-based compensation	(14)	(14)
OPERATING INCOME	45	390
Total other income, net	$ 57	$ 290