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Document And Entity Information - USD ($)
12 Months Ended
Dec. 31, 2017
Jun. 30, 2017
Document and Entity Information [Abstract]    
Entity Registrant Name TIAA REAL ESTATE ACCOUNT  
Document Type 10-K  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding (in shares) 0  
Entity Public Float   $ 0
Amendment Flag false  
Entity Central Index Key 0000946155  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Non-accelerated Filer  
Entity Well-known Seasoned Issuer No  
Document Period End Date Dec. 31, 2017  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus FY