Organization and Recent Events - Additional Information (Details) $ / shares in Units, $ in Millions		1 Months Ended		6 Months Ended	9 Months Ended
		May 31, 2020 USD ($)	Mar. 31, 2020 USD ($)	Jun. 30, 2020 USD ($) Hotel	Sep. 30, 2020 USD ($) $ / shares	Sep. 30, 2019 USD ($)	May 05, 2019 $ / shares shares	Jan. 03, 2017
Organization [Line Items]
Borrowings on Revolver					$ 1,000	$ 850
Repayments under Revolver					1,099
2025 Senior Secured Notes [Member] | PK Domestic and PK Finance Co-Issuer Inc [Member]
Organization [Line Items]
Gross debt balance		$ 650
Net proceeds from secured notes		$ 350
2028 Senior Secured Notes [Member] | PK Domestic and PK Finance [Member]
Organization [Line Items]
Gross debt balance					725
Repayments of term loan					$ 631
COVID-19 [Member]
Organization [Line Items]
Number of hotels temporarily suspend operations | Hotel				38
Number of hotels, total | Hotel				60
Deferring maintenance and ROI Capital expenditures				$ 150
Number of hotels reopened due to restrictions removed | Hotel				26
Park Intermediate Holdings LLC [Member]
Organization [Line Items]
Percentage of ownership interest								100.00%
Chesapeake Lodging Trust [Member]
Organization [Line Items]
Business acquisition,par value per common share | $ / shares					$ 25.88		$ 0.01
Business acquisition, cash consideration transferred, per share | $ / shares							$ 11.00
Business acquisition, consideration transferred number of shares per share | shares							0.628
Fractional shares of common stock to be issued in merger agreement | shares							0
Revolver [Member]
Organization [Line Items]
Gross debt balance	[1]				$ 601
Revolver [Member] | Unused lines of Credit [Member]
Organization [Line Items]
Aggregate commitments					901
Revolver [Member] | 2025 Senior Secured Notes [Member] | PK Domestic and PK Finance [Member]
Organization [Line Items]
Repayments under Revolver					219
Revolver [Member] | 2028 Senior Secured Notes [Member] | PK Domestic and PK Finance [Member]
Organization [Line Items]
Repayments under Revolver					80
Revolver [Member] | COVID-19 [Member]
Organization [Line Items]
Borrowings on Revolver			$ 1,000	$ 1,000
Repayments under Revolver					$ 399

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