Acquisitions - Additional Information (Detail)		3 Months Ended				3 Months Ended
	Mar. 25, 2011 Investment in Other Joint Venture Commitment Group 4 Commitments Year Entity	Mar. 25, 2011 Investment in Other Joint Venture Commitment Commitments USD ($) Year Entity	Mar. 25, 2011 Investment in Other Joint Venture Commitment Commitments EUR (€) Year Entity	Sep. 09, 2011 Real Estate Purchase Within Three Years From Balance Sheet Date Commitments USD ($) Year	Sep. 09, 2011 Real Estate Purchase Within Three Years From Balance Sheet Date Commitments EUR (€)	Mar. 25, 2011 Leasehold Purchase USD ($)	Mar. 25, 2011 Leasehold Purchase EUR (€)
Significant Acquisitions and Disposals [Line Items]
Cash contributed for interest in operation, management and development of AC Hotels by Marriott		$ 51,000,000	€ 37,000,000
Acquisition interests in joint ventures	50.00%
Number of new joint ventures	2	2	2
Contingent acquisition period (in years)	10	10	10
Initial payment to acquire certain assets and a leasehold on a hotel						34,000,000	25,000,000
Unfunded purchase commitments				$ 65,000,000	€ 45,000,000
Number of years to acquire remaining interest				3	3