Document and Entity Information	9 Months Ended
	Jul. 31, 2016 shares
Document and Entity Information [Abstract]
Entity Registrant Name	APPLIED MATERIALS INC /DE
Entity Central Index Key	0000006951
Current Fiscal Year End Date	--10-30
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Jul. 31, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock Shares Outstanding	1,080,893,856