Debt - Schedule of Debt (Parenthetical) (Detail) - USD ($) $ in Millions		1 Months Ended	3 Months Ended
		May 31, 2020	Mar. 31, 2022		Dec. 31, 2021		May 31, 2021	Sep. 30, 2020	Oct. 31, 2016
2019 Term Facility [Member]
Debt Instrument [Line Items]
Debt, gross	[1]		$ 78		$ 78
Revolver [Member]
Debt Instrument [Line Items]
Debt, gross			$ 0		0
Voluntary prepayment maturity date, end year			2023
Debt instrument description of interest rate		LIBOR floor of 25 basis points
Available credit capacity			$ 901
SF Mortgage Loan [Member]
Debt Instrument [Line Items]
Debt, gross			725	[2]	725	[2]			$ 725
HHV Mortgage Loan [Member]
Debt Instrument [Line Items]
Debt, gross			$ 1,275	[2]	$ 1,275	[2]			$ 1,275
Hilton Denver City Center Mortgage Loan [Member]
Debt Instrument [Line Items]
Voluntary prepayment maturity date, end year			2042
PK Domestic and PK Finance Co-Issuer Inc [Member] | 2025 Senior Secured Notes [Member]
Debt Instrument [Line Items]
Senior Secured Notes		$ 650
PK Domestic and PK Finance Co-Issuer Inc [Member] | 2028 Senior Secured Notes [Member]
Debt Instrument [Line Items]
Senior Secured Notes								$ 725
PK Domestic and PK Finance Co-Issuer Inc [Member] | 2029 Senior Secured Notes [Member]
Debt Instrument [Line Items]
Senior Secured Notes							$ 750

[1] In August 2019, the Company, our Operating Company and PK Domestic entered into a term loan facility (the “2019 Term Facility”). In May 2020, we amended our credit and term loan facilities to add a LIBOR floor of 25 basis points. As of March 31, 2022, we had $901 million of available capacity under our revolving credit facility ("Revolver").

[2] 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 Mortgage Loan”) and a $1.275 billion CMBS loan secured by the Hilton Hawaiian Village Waikiki Beach Resort (“HHV Mortgage Loan”)