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Organization - Additional Information (Detail)
Oct. 28, 2015
Hotel
Sep. 30, 2015
Hotel
Fund
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Number of hotels   110
Australia    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Number of hotels   1
Subsequent Event    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Number of hotels 108  
Subsequent Event | Australia    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Number of hotels 1  
European Joint Venture    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Number of hotels   18
Number of funds | Fund   2
European Joint Venture | Subsequent Event    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Number of hotels 10  
European Joint Venture | Fund I    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Investment ownership percentage   32.10%
European Joint Venture | Fund I | Subsequent Event    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Number of hotels 3  
European Joint Venture | Fund II    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Investment ownership percentage   33.40%
European Joint Venture | Fund II | Subsequent Event    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Number of hotels 7  
Asia/Pacific Joint Venture    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Investment ownership percentage   25.00%
Asia/Pacific Joint Venture | Australia    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Number of hotels   1
Asia/Pacific Joint Venture | India    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Number of hotels   3
Number of hotels in various stages of development   4
HOST HOTELS & RESORTS, INC.    
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]    
Percentage of the common OP Units   99.00%