Debt - Schedule of Debt (Parenthetical) (Detail) - USD ($) $ in Millions		1 Months Ended		9 Months Ended
		Jul. 31, 2022	May 31, 2020	Sep. 30, 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
Debt Instrument Decreased Rate		0.95%
Revolver [Member]
Debt Instrument [Line Items]
Debt, gross	[1]			0		0
Debt instrument description of interest rate			LIBOR floor of 25 basis points
Available credit capacity				901
Debt Instrument Decreased Rate		1.20%
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”). As of September 30, 2022, we had $901 million of available capacity under our revolving credit facility ("Revolver"). (4) In May 2020, we amended our credit and term loan facilities to add a LIBOR floor of 25 basis points. Additionally, upon exiting the covenant relief period under our credit facilities in July 2022, the applicable margin on the interest rate of the Revolver and 2019 Term Facility decreased by 1.20% and 0.95%, respectively.

[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”).