Dispositions - Additional Information (Detail) $ in Millions	6 Months Ended		12 Months Ended
	Jun. 30, 2016 USD ($) Hotel	Jun. 30, 2015 USD ($)	Dec. 31, 2015 Hotel
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Proceeds from sales of assets, net	$ 441	$ 174
Number of hotels sold | Hotel	8		8
Manhattan Beach Marriott
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Proceeds from sales of assets, net	$ 82
Sheraton Santiago Hotel & Convention Center and San Cristobal Tower
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Proceeds from sales of assets, net	95
Seattle Airport Marriott
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Proceeds from sales of assets, net	97
Atlanta Marriott Perimeter Center
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Proceeds from sales of assets, net	$ 71