Dispositions - Summary of Hotel Portfolio Properties Sold (Detail)	6 Months Ended
	Jun. 30, 2018
Hilton Rotterdam [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Location	Rotterdam, Netherlands
Month Sold	2018-01
Embassy Suites by Hilton Kansas City Overland Park [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Location	Overland Park, Kansas	[1]
Month Sold	2018-02	[1]
Embassy Suites by Hilton San Rafael Marin County [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Location	San Rafael, California	[1]
Month Sold	2018-02	[1]
Embassy Suites by Hilton Atlanta Perimeter Center [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Location	Atlanta, Georgia	[1]
Month Sold	2018-02	[1]
Hilton Blackpool [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Location	Blackpool, United Kingdom	[1]
Month Sold	2018-02	[1]
Hilton Belfast [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Location	Belfast, United Kingdom	[1]
Month Sold	2018-02	[1]
Hilton London Angel Islington [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Location	London, United Kingdom	[1]
Month Sold	2018-02	[1]
Hilton Edinburgh Grosvenor [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Location	Edinburgh, United Kingdom	[1]
Month Sold	2018-02	[1]
Hilton Coylumbridge [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Location	Aviemore, United Kingdom	[1]
Month Sold	2018-02	[1]
Hilton Bath City [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Location	Bath, United Kingdom	[1]
Month Sold	2018-02	[1]
Hilton Milton Keynes [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Location	Milton Keynes, United Kingdom	[1]
Month Sold	2018-02	[1]
Hilton Durban [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Location	Durban, South Africa
Month Sold	2018-02
Hilton Berlin [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Location	Berlin, Germany	[2]
Month Sold	2018-05	[2]

[1] Hotels were sold as a portfolio.

[2] Unconsolidated joint venture.