CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
REVENUES
Total revenue		$ 20,773	$ 13,857	$ 10,571
OPERATING COSTS AND EXPENSES
Depreciation, amortization, and other		193	220	346
General, administrative, and other		891	823	762
Restructuring, merger-related charges, and other		12	8	267
Costs and Expenses, Total		17,311	12,107	10,487
OPERATING INCOME		3,462	1,750	84
Gains and other income, net		11	10	9
Loss on extinguishment of debt		0	(164)	0
Interest expense		(403)	(420)	(445)
Interest income		26	28	27
Equity in earnings (losses)	[1]	18	(24)	(141)
INCOME (LOSS) BEFORE INCOME TAXES		3,114	1,180	(466)
(Provision) benefit for income taxes		(756)	(81)	199
NET INCOME (LOSS)		$ 2,358	$ 1,099	$ (267)
EARNINGS (LOSS) PER SHARE
Earnings (loss) per share - basic (in USD per share)		$ 7.27	$ 3.36	$ (0.82)
Earnings (loss) per share - diluted (in USD per share)		$ 7.24	$ 3.34	$ (0.82)
Base management fees
REVENUES
Gross fee revenues		$ 1,044	$ 669	$ 443
Franchise fees
REVENUES
Gross fee revenues		2,505	1,790	1,153
Incentive management fees
REVENUES
Gross fee revenues		529	235	87
Net fee revenues
REVENUES
Gross fee revenues		4,078	2,694	1,683
Contract investment amortization		(89)	(75)	(132)
Total revenue		3,989	2,619	1,551
Owned, leased, and other
REVENUES
Total revenue		1,367	796	568
OPERATING COSTS AND EXPENSES
Cost of revenues		1,074	734	677
Reimbursements
REVENUES
Total revenue	[1]	15,417	10,442	8,452
OPERATING COSTS AND EXPENSES
Cost of revenues	[1]	$ 15,141	$ 10,322	$ 8,435

[1] See Note 15 for disclosure of related party amounts.