This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 130

-Paragraph 22, 23, 24, 25

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e599-108580

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 31

-Article 5

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph 38

-Subparagraph c(3)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Capital Allocation Between Controlling and Non-Controlling Interests (Detail) (HOST HOTELS & RESORTS L.P., USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 09, 2011	Sep. 10, 2010	Sep. 09, 2011	Sep. 10, 2010	Dec. 09, 2010	Dec. 10, 2009
Other Ownership Interests [Line Items]
Beginning Balance			$ 6,331		$ 6,331	$ 6,209
Net loss			(32)	(124)
Issuance of common OP units			423	158
Redemption of preferred OP units				(101)
Other changes in ownership			76	(11)
Other comprehensive income	(9)	7	6	(3)
Ending Balance	6,804	6,128	6,804	6,128	6,331	6,209
Parent
Other Ownership Interests [Line Items]
Beginning Balance					6,302	6,187
Net loss			(32)	(124)
Issuance of common OP units			423	158
Redemption of preferred OP units				(101)
Other changes in ownership			67	(22)
Other comprehensive income			6	(3)
Ending Balance	6,766	6,095	6,766	6,095	6,302	6,187
Noncontrolling Interest
Other Ownership Interests [Line Items]
Beginning Balance					29	22
Other changes in ownership			9	11
Ending Balance	38	33	38	33	29	22
Limited Partnership Interests Of Third Parties
Other Ownership Interests [Line Items]
Beginning Balance					191	139
Net loss				(2)
Other changes in ownership			(76)	17
Ending Balance	$ 115	$ 154	$ 115	$ 154	$ 191	$ 139