Composition of our Property and Equipment Balances (Detail) (USD $) In Millions, unless otherwise specified																					6 Months Ended	18 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Land	Dec. 31, 2013 Land	Jun. 30, 2014 Buildings and leasehold improvements	Dec. 31, 2013 Buildings and leasehold improvements	Jun. 30, 2014 Furniture and equipment	Dec. 31, 2013 Furniture and equipment	Jun. 30, 2014 Construction in progress	Dec. 31, 2013 Construction in progress	Jun. 30, 2014 Capital Lease Obligations	Dec. 31, 2013 Capital Lease Obligations	Jun. 30, 2014 Capital Lease Obligations Land	Dec. 31, 2013 Capital Lease Obligations Land	Jun. 30, 2014 Capital Lease Obligations Buildings and leasehold improvements	Dec. 31, 2013 Capital Lease Obligations Buildings and leasehold improvements	Jun. 30, 2014 Capital Lease Obligations Furniture and equipment	Dec. 31, 2013 Capital Lease Obligations Furniture and equipment	Jun. 30, 2014 Capital Lease Obligations Construction in progress	Dec. 31, 2013 Capital Lease Obligations Construction in progress	Jun. 30, 2014 Other unallocated corporate EDITION Hotels Depreciation and Amortization	Jun. 30, 2015 Forecast Other unallocated corporate EDITION Hotels hotel
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,565	$ 2,448	$ 541	$ 535	$ 781	$ 786	$ 788	$ 789	$ 455	$ 338	$ 90	$ 114	$ 8	$ 8	$ 58	$ 68	$ 22	$ 37	$ 2	$ 1
Accumulated depreciation	(918)	(905)									(59)	(83)
Property and equipment, net	1,647	1,543									31	31
Impairment of long-lived assets																					$ 25
Number of hotels																						3