Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Oct. 28, 2017	Apr. 30, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	ANALOG DEVICES INC
Entity Central Index Key	0000006281
Document Type	10-K
Document Period End Date	Oct. 28, 2017
Amendment Flag	false
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--10-28
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float		$ 21,972
Entity Common Stock, Shares Outstanding	368,635,788