Capital Allocation Between Controlling and Non-Controlling Interests (Detail) (HOST HOTELS & RESORTS L.P., USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 17, 2011	Jun. 18, 2010	Jun. 17, 2011	Jun. 18, 2010
Other Ownership Interests [Line Items]
Beginning Balance			$ 6,331	$ 6,209
Net income (loss)			4	(63)
Issuance of common OP units			288	55
Redemption of preferred OP units				(101)
Other changes in ownership			15	(41)
Other comprehensive income (note 9)	11	(7)	15	(10)
Ending Balance	6,653	6,049	6,653	6,049
Parent
Other Ownership Interests [Line Items]
Beginning Balance			6,302	6,187
Net income (loss)			2	(65)
Issuance of common OP units			288	55
Redemption of preferred OP units				(101)
Other changes in ownership			6	(38)
Other comprehensive income (note 9)			15	(10)
Ending Balance	6,613	6,028	6,613	6,028
Noncontrolling Interest
Other Ownership Interests [Line Items]
Beginning Balance			29	22
Net income (loss)			2	2
Other changes in ownership			9	(3)
Ending Balance	40	21	40	21
Limited Partnership Interests Of Third Parties
Other Ownership Interests [Line Items]
Beginning Balance			191	139
Net income (loss)				(1)
Other changes in ownership			(17)	31
Ending Balance	$ 174	$ 169	$ 174	$ 169