v2.4.0.8
Document and Entity Information
9 Months Ended
Jun. 30, 2013
Jul. 19, 2013
Class A
Jul. 19, 2013
Class B
Jul. 19, 2013
Class C
Entity Registrant Name VISA INC.      
Entity Central Index Key 0001403161      
Current Fiscal Year End Date --09-30      
Entity Filer Category Large Accelerated Filer      
Document Type 10-Q      
Document Period End Date Jun. 30, 2013      
Document Fiscal Year Focus 2013      
Document Fiscal Period Focus Q3      
Amendment Flag false      
Entity Common Stock, Shares Outstanding   514,589,442 245,513,385 27,393,264