Finite-Lived Intangible Assets - Schedule of Finite Lived Intangible Assets (Details) - USD ($) $ in Millions		Jun. 30, 2022	Dec. 31, 2021
Management contracts recorded at merger
Finite-Lived Intangible Assets [Line Items]
Management and franchise contracts, gross	[1]	$ 296	$ 310
Management and franchise contracts, accumulated amortization	[1]	(272)	(275)
Management and franchise contracts, net	[1]	24	35
Contract acquisition costs
Finite-Lived Intangible Assets [Line Items]
Management and franchise contracts, gross		920	780
Management and franchise contracts, accumulated amortization		(186)	(170)
Management and franchise contracts, net		734	610
Development commissions and other
Finite-Lived Intangible Assets [Line Items]
Management and franchise contracts, gross		144	140
Management and franchise contracts, accumulated amortization		(29)	(27)
Management and franchise contracts, net		115	113
Management and franchise
Finite-Lived Intangible Assets [Line Items]
Management and franchise contracts, gross		1,360	1,230
Management and franchise contracts, accumulated amortization		(487)	(472)
Management and franchise contracts, net		$ 873	$ 758

[1] Represents intangible assets that were initially recorded at fair value as part of the 2007 transaction whereby we became a wholly owned subsidiary of affiliates of Blackstone Inc. (the "Merger").