Depreciation and Amortization (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Depreciation, amortization, and other	[1]	$ 139	$ 148	$ 127
Property and Equipment
Segment Reporting Information [Line Items]
Impairment charge		12	25
Total segment
Segment Reporting Information [Line Items]
Depreciation, amortization, and other		116	116	120
Total segment | North American Full-Service Segment
Segment Reporting Information [Line Items]
Depreciation, amortization, and other		55	52	57
Total segment | North American Limited-Service Segment
Segment Reporting Information [Line Items]
Depreciation, amortization, and other		21	22	21
Total segment | International
Segment Reporting Information [Line Items]
Depreciation, amortization, and other		40	42	42
Other unallocated corporate
Segment Reporting Information [Line Items]
Depreciation, amortization, and other		$ 23	$ 32	$ 7

[1] See Footnote No. 17, “Related Party Transactions,” to our Consolidated Financial Statements for disclosure of related party amounts.