XML 16 R1.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Document and Entity Information (USD $)
In Billions, except Share data
9 Months Ended
Apr. 30, 2011
May 23, 2011
Jan. 31, 2010
Document and Entity Information [Abstract]      
Entity Registrant Name INTUIT INC    
Entity Central Index Key 0000896878    
Document Type 10-Q    
Document Period End Date Apr. 30, 2011
Amendment Flag false    
Document Fiscal Year Focus 2011    
Document Fiscal Period Focus Q3    
Current Fiscal Year End Date --07-31    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 8.3
Entity Common Stock, Shares Outstanding   304,000,417