Organization - Additional Information (Detail)	Sep. 09, 2011
HOST HOTELS & RESORTS, INC.
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Percentage of the common OP Units	98.50%
United States
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of lodging properties owned or controlled	105
Australia, Brazil, Chile, Canada, Mexico, New Zealand, and United Kingdom
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of lodging properties owned or controlled	16