Dispositions - Additional Information (Detail) $ in Millions	6 Months Ended	9 Months Ended
Jun. 30, 2022 USD ($)	Sep. 30, 2022 USD ($) Hotel	Sep. 30, 2021 USD ($) Hotel
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
Net gain (loss) on selling cost of hotel portfolio properties	$ 92	$ 15	$ (5)
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, interest in the debt in joint venture	$ 55

Number of consolidated hotel portfolio properties sold.

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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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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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