Document and Entity Information	9 Months Ended
	Sep. 07, 2012	Oct. 12, 2012
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 07, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Trading Symbol	HST
Entity Registrant Name	HOST HOTELS & RESORTS, INC.
Entity Central Index Key	0001070750
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		724,750,275
HOST HOTELS & RESORTS L.P.
Entity Registrant Name	Host Hotels & Resorts L.P.
Entity Central Index Key	0001061937
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer