Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Taxes [Line Items]
Income tax expense	$ 1,000,000		$ 14,000,000	$ 12,000,000
Percentage of adjusted taxable income			50.00%	30.00%
Built-in gains tax expense from assets sold			$ 14,000,000
Income tax benefit partially offset by TRS			20,000,000
Refunds related to carryback of NOLs, CARES Act			24,000,000
Hilton Sao Paulo Morumbi [Member]
Income Taxes [Line Items]
Non-U.S. income tax expense			16,000,000
U.S. Federal Tax [Member] | REIT [Member]
Income Taxes [Line Items]
Income tax expense	$ 0	$ 0	$ 0	$ 0