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Document and Entity Information
3 Months Ended
Jul. 26, 2013
Aug. 29, 2013
Document and Entity Information [Abstract]    
Entity Registrant Name MEDTRONIC INC  
Entity Central Index Key 0000064670  
Document Period End Date Jul. 26, 2013  
Current Fiscal Year End Date --04-25  
Document Type 10-Q  
Amendment Flag false  
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   997,467,900
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2014