Contingencies - Additional Information (Detail) In Millions, unless otherwise specified						12 Months Ended																																	12 Months Ended
	Dec. 30, 2011 USD ($)	Dec. 30, 2011 Within Three Years From Balance Sheet Date USD ($) Year	Dec. 30, 2011 One Year from Balance Sheet Date USD ($)	Dec. 30, 2011 More than One and within Two Years from Balance Sheet Date USD ($)	Dec. 30, 2011 More than Two and within Three Years from Balance Sheet Date USD ($)	Dec. 30, 2011 Lower Limit	Dec. 30, 2011 Upper Limit	Dec. 30, 2011 Line of Credit Facility USD ($)	Dec. 30, 2011 Outside Effective Credit Facility USD ($)	Dec. 30, 2011 Lodging Properties Commitments USD ($)	Dec. 30, 2011 Lodging Properties Commitments Within Three Years From Balance Sheet Date USD ($) Year	Dec. 30, 2011 Lodging Properties Commitments More than Five Years from Balance Sheet Date and Thereafter USD ($) Year	Dec. 30, 2011 Primary Obligor USD ($)	Dec. 30, 2011 Primary Obligor Guarantee, Operating Profit USD ($)	Dec. 30, 2011 Primary Obligor Guarantee, Operating Profit Not Yet In Effect Condition USD ($)	Dec. 30, 2011 Primary Obligor Guarantee, Indebtedness of Others USD ($)	Dec. 30, 2011 Primary Obligor Guarantee, Indebtedness of Others Not Yet In Effect Condition USD ($)	Dec. 30, 2011 Secondarily Liable USD ($)	Dec. 30, 2011 Secondarily Liable Debt Securities Payable USD ($)	Dec. 30, 2011 Sunrise Senior Living Inc Secondarily Liable Within Two Years From Balance Sheet Date USD ($)	Dec. 30, 2011 Sunrise Senior Living Inc Secondarily Liable Property Lease Guarantee USD ($)	Dec. 30, 2011 Sunrise Senior Living Inc Secondarily Liable Property Lease Guarantee More than Two and Within Seven Years from Balance Sheet Date [Member] USD ($) Year	Dec. 30, 2011 Sunrise Senior Living Inc Secondarily Liable Debt Securities Payable USD ($)	Dec. 30, 2011 CNL Retirement Properties Inc Secondarily Liable Debt Securities Payable USD ($)	Dec. 30, 2011 Five Star Senior Living Secondarily Liable Debt Securities Payable USD ($)	Dec. 30, 2011 Renaissance Hotel Group N.V. Secondarily Liable Property Lease Guarantee USD ($)	Dec. 30, 2011 Renaissance Hotel Group N.V. Secondarily Liable Property Lease Guarantee EUR (€)	Sep. 09, 2005 Renaissance Hotel Group N.V. Secondarily Liable Property Lease Guarantee EUR (€)	Dec. 30, 2011 MVW Spin-off Secondarily Liable USD ($)	Dec. 30, 2011 MVW Spin-off Secondarily Liable Expiration in 2021 USD ($) Contract	Dec. 30, 2011 MVW Spin-off Secondarily Liable Expiration in 2021 SGD	Dec. 30, 2011 Project Two Project Completion Guarantee USD ($)	Dec. 30, 2011 Project Two Project Completion Guarantee CAD	Dec. 30, 2011 Other Current Liabilities Primary Obligor USD ($)	Dec. 30, 2011 Other Long Term Liabilities Primary Obligor USD ($)	Dec. 30, 2011 Investment in Other Joint Venture Commitment Group 2 Upper Limit USD ($)	Dec. 30, 2011 Investment in Other Joint Venture Commitment Group 2 Upper Limit EUR (€)	Dec. 30, 2011 Investment in Other Joint Venture Commitment Group 3 Upper Limit USD ($)	Dec. 30, 2011 Investment in Other Joint Venture Commitment Group 4 USD ($) Entity Year	Dec. 30, 2011 Investment in Other Joint Venture Commitment Group 4 EUR (€) Entity	Dec. 30, 2011 Investment in Other Joint Venture Commitment Group 4 One Year from Balance Sheet Date EUR (€)	Dec. 30, 2011 Investment in Fund to Purchase or Develop Hotels Commitment USD ($)	Dec. 30, 2011 Real Estate Investment Within Three Years From Balance Sheet Date EUR (€) Year	Dec. 30, 2011 Real Estate Investment One Year from Balance Sheet Date USD ($)	Dec. 30, 2011 Real Estate Investment More than One and within Two Years from Balance Sheet Date USD ($) Year	Dec. 30, 2011 Real Estate Investment Upper Limit Within Two Years From Balance Sheet Date USD ($)	Dec. 30, 2011 Commitments Within Three Years From Balance Sheet Date USD ($) Year	Dec. 30, 2011 Commitments Within Three Years From Balance Sheet Date EUR (€)	Dec. 30, 2011 Key Bank Letter of Credit Sunrise Senior Living Inc Secondarily Liable Property Lease Guarantee More than Two and Within Seven Years from Balance Sheet Date [Member] USD ($)	Dec. 30, 2011 Full Service and Limited Service Equity Investment for Non Controlling Interest in Partnership Commitment Within Three Years From Balance Sheet Date Year	Dec. 30, 2011 Full Service and Limited Service Equity Investment for Non Controlling Interest in Partnership Commitment Upper Limit Within Three Years From Balance Sheet Date USD ($)	Dec. 30, 2011 Limited Service Equity Investment for Non Controlling Interest in Partnership Commitment USD ($)	Dec. 30, 2011 Limited Service Equity Investment for Non Controlling Interest in Partnership Commitment Upper Limit USD ($)	Dec. 30, 2011 Limited Service Equity Investment for Non Controlling Interest in Partnership Commitment Upper Limit Within Three Years From Balance Sheet Date USD ($) Year
Commitments and Contingencies Disclosure [Line Items]
Funding guarantees term (in years)						4 years	10 years
Liability for expected future fundings													$ 59	$ 48		$ 7																		$ 9	$ 50
Maximum potential amount of future fundings													210	119	11	74	16	171	39		132		6	32	1				41	27	35	498	508
Cash collateral in the event funding is required																				3		1
Length of operating lease extension (in years)																						5
Letter of credit provided by Sunrise, amount available																																																	85
Collateral for continuing lease obligation contingency, future minimum annual payments due																						1
Annual rent payments, approximately																										6
Remaining rent payments, approximately																										45
Guarantee obligations, cash collateralized																										6	5	35
Number of guarantees provided																														1	1
Guarantee obligations, carrying value																													2			3
Pro rata ownership in the joint venture						10.00%	49.00%																									20.00%	20.00%
Investment commitment																																												7	4	11					7		24	20
Number of years expected to fund																																													2					3				3
Investment commitments not expected to be funded																																				26	20	7				1										4
Loan commitments that we have extended to owners of lodging properties										5	4	1
Number of years expected to expire											3	5
Acquisition interests in joint ventures																																							50.00%	50.00%
Number of new joint ventures																																							2	2
Contingent acquisition period (in years)																																							9	9
Deposits in conjunction with contingent obligation to acquire the interest in joint ventures																																							12	9
Expected deposits for contingent joint venture acquisition																																									6
Unfunded purchase commitments																																											45				58	45
Number of years to acquire remaining interest																																											3				3	3
Purchase commitments, funded and unfunded		95	47	46	2
Purchase commitments, term		3
Letters of credit outstanding	65							1	64
Surety bonds issued	$ 108