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Dispositions (Detail) $ in Millions	1 Months Ended		12 Months Ended
	Apr. 30, 2022 USD ($)	Feb. 28, 2022 USD ($)	Dec. 31, 2023 USD ($) hotel	Dec. 31, 2022 USD ($) hotel	Dec. 31, 2021 USD ($) hotel
Income Statement Balance Sheet and Additional Disclosures by Disposal Groups Including Discontinued Operations [Line Items]
Number of hotels sold | hotel			1	4	6
Gain on disposition of assets			$ 69	$ 18	$ 305
Notes receivable			$ 72	413
The Camby Autograph Collection
Income Statement Balance Sheet and Additional Disclosures by Disposal Groups Including Discontinued Operations [Line Items]
Maximum loan to cost ratio covenant			65.00%
Notes Issued			$ 72
The Camby Autograph Collection | Notes Receivable
Income Statement Balance Sheet and Additional Disclosures by Disposal Groups Including Discontinued Operations [Line Items]
Additional funding available			$ 12
SOFR | The Camby Autograph Collection
Income Statement Balance Sheet and Additional Disclosures by Disposal Groups Including Discontinued Operations [Line Items]
Basis spread on variable rate			4.25%
Sheraton New York Times Square Hotel
Income Statement Balance Sheet and Additional Disclosures by Disposal Groups Including Discontinued Operations [Line Items]
Notes receivable from sale of property	$ 250			250
Sheraton Boston Hotel
Income Statement Balance Sheet and Additional Disclosures by Disposal Groups Including Discontinued Operations [Line Items]
Notes receivable from sale of property		$ 163		$ 163

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