Document and Entity Information (USD $) In Billions, except Share data, unless otherwise specified	12 Months Ended
	Apr. 25, 2014	Jun. 16, 2014	Oct. 25, 2013
Document and Entity Information [Abstract]
Entity Registrant Name	MEDTRONIC INC
Entity Central Index Key	0000064670
Document Period End Date	Apr. 25, 2014
Current Fiscal Year End Date	--04-25
Document Type	10-K
Amendment Flag	false
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 57.2
Entity Common Stock, Shares Outstanding		995,764,180
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2014