Document and Entity Information (USD $)
 12 Months Ended
Sep. 30, 2014
Dec. 19, 2014
Jun. 30, 2014
Document And Entity Information      
Entity Registrant Name FIRST AMERICAN GROUP INC.    
Entity Central Index Key 0001504678    
Document Type 10-K    
Document Period End Date Sep. 30, 2014    
Amendment Flag false    
Current Fiscal Year End Date --09-30    
Is Entity a Well-known Seasoned Issuer? No    
Is Entity a Voluntary Filer? No    
Is Entity's Reporting Status Current? Yes    
Entity Filer Category Smaller Reporting Company    
Entity Public Float     $ 52,126
Entity Common Stock, Shares Outstanding   126,063,200  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2014