v2.4.0.6
Document and Entity Information
6 Months Ended
Jun. 30, 2013
Jul. 31, 2013
Document and Entity Information    
Entity Registrant Name AMERICAN INTERNATIONAL GROUP INC  
Entity Central Index Key 0000005272  
Document Type 10-Q  
Document Period End Date Jun. 30, 2013  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   1,476,350,909
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q2