Debt - Schedule of Debt (Parenthetical) (Detail) - USD ($) $ in Millions		1 Months Ended	3 Months Ended
		Feb. 28, 2023	Mar. 31, 2023		Dec. 31, 2022		May 31, 2021	Sep. 30, 2020	May 31, 2020	Oct. 31, 2016
Revolver [Member]
Debt Instrument [Line Items]
Debt, gross	[1]		$ 0		$ 50
Repayments of long-term debt		$ 50
Line of credit, maximum borrowing capacity		$ 50
Available credit capacity			946
Revolver [Member] | Standby Letters of Credit [Member]
Debt Instrument [Line Items]
Line of credit facility, outstanding amount			4
SF CMBS Loan [Member]
Debt Instrument [Line Items]
Debt, gross			725	[2]	725	[2]				$ 725
HHV CMBS 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 Notes [Member]
Debt Instrument [Line Items]
Senior Notes									$ 650
PK Domestic and PK Finance Co-Issuer Inc [Member] | 2028 Senior Notes [Member]
Debt Instrument [Line Items]
Senior Notes								$ 725
PK Domestic and PK Finance Co-Issuer Inc [Member] | 2029 Senior Notes [Member]
Debt Instrument [Line Items]
Senior Notes							$ 750

[1] In February 2023, we fully repaid the $50 million outstanding balance under our revolving credit facility ("Revolver"). The Revolver permits one or more standby letters of credit, up to a maximum aggregate outstanding balance of $50 million, to be issued on behalf of us. As of March 31, 2023, we had approximately $4 million outstanding on a standby letter of credit and $946 million of available capacity under our 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”).