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Acquisitions (Detail) $ in Millions		12 Months Ended
	Nov. 01, 2022 USD ($) room	Dec. 31, 2024 USD ($) a room
One Hotel Nashville
Asset Acquisition and Business Combination [Line Items]
Number of vacation ownership project		215
Embassy Suites by Hilton Nashville Downtown
Asset Acquisition and Business Combination [Line Items]
Number of vacation ownership project		506
One Hotel Nashville and Embassy Suites by Hilton Nashville Downtown
Asset Acquisition and Business Combination [Line Items]
Acquisition purchase price | $		$ 530
One Hotel Central Park
Asset Acquisition and Business Combination [Line Items]
Number of vacation ownership project		234
Acquisition purchase price | $		$ 265
Turtle Bay Resort
Asset Acquisition and Business Combination [Line Items]
Number of vacation ownership project		450
Acquisition purchase price | $		$ 680
Turtle Bay Resort | Development Land Parcel
Asset Acquisition and Business Combination [Line Items]
Area of land acquired | a		49
Four Seasons Resort and Residences Jackson Hole
Asset Acquisition and Business Combination [Line Items]
Number of vacation ownership project	125
Acquisition purchase price | $	$ 315

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Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 805
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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