Acquisitions (Details) $ in Millions	1 Months Ended
	May 31, 2024 USD ($) Hotel	Apr. 30, 2024 USD ($)
Asset Acquisition [Line Items]
Redeemable Noncontrolling Interest, Equity, Fair Value		$ 22
Sydell Group
Asset Acquisition [Line Items]
Indefinite-Lived Intangible Assets Acquired		45
Finite-Lived Intangible Assets Acquired		$ 11
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life		14 years
Redeemable Noncontrolling Interest, Equity, Fair Value		$ 22
Graduate Hotels
Asset Acquisition [Line Items]
Consideration transferred	$ 210
Payment for asset acquisition	200
Asset acquisition, consideration transferred, contingent consideration	$ 10
Asset acquisition, number of hotels added to franchise portfolio | Hotel	32
Indefinite-Lived Intangible Assets Acquired	$ 122
Finite-Lived Intangible Assets Acquired	$ 91
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	15 years