Debt - Schedule of Debt (Parenthetical) (Detail) - USD ($)		1 Months Ended	9 Months Ended
		May 31, 2020	Sep. 30, 2020		Dec. 31, 2019	[3]	Oct. 31, 2016
Debt Instrument [Line Items]
Debt instrument description of interest rate			LIBOR floor of 25 basis points
Debt instrument, interest rate		25.00%
Revolver [Member]
Debt Instrument [Line Items]
Debt, gross	[1]		$ 601,000,000
Maturity Date, end year	[1],[2]		2023
Line of credit facility, current borrowing capacity			$ 75,000,000
Line of credit facility, maximum borrowing capacity			1,075,000,000.000
Aggregate commitments			$ 901,000,000
Line of credit facility, expiration period			2 years
Debt instrument, maturity date end year			Dec. 31, 2023
Line of credit facility, remaining borrowing capacity			$ 174,000,000
Debt instrument, maturity date start year			Dec. 31, 2021
SF CMBS Loan [Member]
Debt Instrument [Line Items]
Debt, gross			$ 725,000,000	[3]	$ 725,000,000		$ 725,000,000
HHV CMBS Loan [Member]
Debt Instrument [Line Items]
Debt, gross			$ 1,275,000,000	[3]	$ 1,275,000,000		$ 1,275,000,000
Hilton Denver City Center Mortgage Loan [Member]
Debt Instrument [Line Items]
Maturity Date, end year			2042
Debt instrument, call date earliest			Aug. 31, 2022
Doubletree Spokane JV Mortgage Loan [Member]
Debt Instrument [Line Items]
Debt, gross			$ 12,000,000
Debt instrument, maturity date, extension			1 year
Debt instrument, call date latest			Oct. 31, 2021

[1] In May 2020, we amended our credit and term loan facilities which added a LIBOR floor of 25 basis points.

[2] In September 2020, we increased our aggregate commitments under the Revolver by $75 million to $1.075 billion and extended the maturity date with respect to $901 million of the aggregate commitments for two years to December 2023, including all $75 million of the increased Revolver commitments. The maturity date for the remaining $174 million of commitments under the Revolver is December 2021.

[3] In October 2016, we entered into a $725 million CMBS loan secured by the Hilton San Francisco Union Square and the Parc 55 Hotel San Francisco (“SF CMBS Loan”) and a $1.275 billion CMBS loan secured by the Hilton Hawaiian Village Waikiki Beach Resort (“HHV CMBS Loan”).