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Document and Entity Information - USD ($)
$ in Billions
 12 Months Ended
Apr. 28, 2017
Jun. 21, 2017
Oct. 28, 2016
Document and Entity Information [Abstract]      
Entity Registrant Name Medtronic plc    
Entity Central Index Key 0001613103    
Document Period End Date Apr. 28, 2017    
Current Fiscal Year End Date --04-28    
Document Type 10-K    
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 Public Float     $ 112.4
Entity Common Stock, Shares Outstanding   1,359,026,669  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2017