Consolidated Variable Interest Entities and Investments in Affiliates - Additional Information (Detail) $ in Millions	Dec. 31, 2017 USD ($) Entity	Dec. 31, 2016 USD ($)
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Number of consolidated VIEs \| Entity	3
Debt of unconsolidated joint ventures \| $	$ 962	$ 861

Number of consolidated variable interest entities.

No definition available.

Name:	pk_NumberOfConsolidatedVariableInterestEntities
Namespace Prefix:	pk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant