Segment Information - Reconciliation (Details) - USD ($)					12 Months Ended
	Oct. 31, 2021	Jul. 31, 2021	Jan. 31, 2021	Oct. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation and amortization					$ (3,239,000,000)	$ (4,019,000,000)	$ (4,710,000,000)
Goodwill impairment	$ 0	$ 0	$ 0	$ (2,600,000,000)	(3,271,000,000)	0	(2,642,000,000)
Stock-based compensation					(98,000,000)	(120,000,000)	(175,000,000)
OPERATING INCOME					95,000,000	4,285,000,000	962,000,000
Total other expense, net					(1,086,000,000)	(1,584,000,000)	(1,744,000,000)
(Loss) income before income taxes					(991,000,000)	2,701,000,000	(782,000,000)
Income tax expense					557,000,000	668,000,000	450,000,000
NET (LOSS) INCOME					(1,548,000,000)	2,033,000,000	(1,232,000,000)
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment adjusted EBITDA					12,432,000,000	14,329,000,000	15,007,000,000
Operations and Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation and amortization					(3,239,000,000)	(4,019,000,000)	(4,710,000,000)
Goodwill impairment					(3,271,000,000)	0	(2,642,000,000)
Operations and other expenses					(5,729,000,000)	(5,905,000,000)	(6,518,000,000)
Stock-based compensation					(98,000,000)	(120,000,000)	(175,000,000)
OPERATING INCOME					95,000,000	4,285,000,000	962,000,000
Total other expense, net					$ (1,086,000,000)	$ (1,584,000,000)	$ (1,744,000,000)