Number of consolidated hotel portfolio properties sold.

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Pro rata share before customary closing adjustments amount.

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Reclassification of currency translation adjustment from accumulated other comprehensive loss to earnings on disposition of unconsolidated equity method investments.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of interest expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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Indicates line item in statement of income that includes gain (loss) recognized on sale or disposal of disposal group. Excludes discontinued operation.

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Amount of gain (loss) on sale or disposal of an equity method investment.

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Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

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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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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Dispositions and Acquisitions - Additional Information (Detail) $ in Millions	1 Months Ended	6 Months Ended	12 Months Ended
	Feb. 29, 2020 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) Hotel	Dec. 31, 2021 USD ($) Hotel	Dec. 31, 2020 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hotel portfolio properties sold \| Hotel			5	5
Gross proceeds on sale of hotel portfolio properties			$ 149	$ 477
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]			Costs and Expenses	Costs and Expenses
Net gain (loss) on selling cost of hotel portfolio properties			$ 15	$ 5
Acquisition costs			$ 0	0	$ 10
Gain (loss) on sale of assets and asset impairment charges				$ (5)
DoubleTree Hotel Las Vegas Airport [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross proceeds on sale of hotel portfolio properties		$ 22
Pro Rata Share Before Customary Closing Adjustments Amount		11
Equity Method Investment, Realized Gain (Loss) on Disposal		9
Chesapeake Lodging Trust [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition costs					$ 9
Hilton Sao Paulo Morumbi [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Reclassification of currency translation adjustment from accumulated other comprehensive loss to earnings on disposition of hotel portfolio properties	$ 7
Hilton San Diego Bayfront [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross proceeds on sale of hotel portfolio properties		157
Disposal Group, Including Discontinued Operation, Interest Expense		55
Net gain (loss) on selling cost of hotel portfolio properties		$ 92
Embassy Suites Washington DC Georgetown [Member] \| Hilton Sao Paulo Morumbi [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross proceeds on sale of hotel portfolio properties	208
Net gain (loss) on selling cost of hotel portfolio properties	$ 63