v2.4.0.8
Document and Entity Information
9 Months Ended
Sep. 30, 2013
Entity Information [Line Items]  
Entity Registrant Name FEDERAL NATIONAL MORTGAGE ASSOCIATION FANNIE MAE
Entity Central Index Key 0000310522
Current Fiscal Year End Date --12-31
Entity Filer Category Accelerated Filer
Document Type 10-Q
Document Period End Date Sep. 30, 2013
Document Fiscal Year Focus 2013
Document Fiscal Period Focus Q3
Amendment Flag false
Entity Common Stock, Shares Outstanding 1,158,080,657
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes