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Document and Entity Information - USD ($)
$ in Billions
12 Months Ended
Apr. 26, 2019
Jun. 18, 2019
Oct. 26, 2018
Document and Entity Information [Abstract]      
Entity Registrant Name Medtronic plc    
Entity Central Index Key 0001613103    
Document Period End Date Apr. 26, 2019    
Current Fiscal Year End Date --04-26    
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 Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 120.8
Entity Ordinary Shares Outstanding   1,341,156,703  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2019