Document and Entity Information	6 Months Ended
	Apr. 29, 2018 shares
Document and Entity Information [Abstract]
Entity Registrant Name	APPLIED MATERIALS INC /DE
Entity Central Index Key	0000006951
Current Fiscal Year End Date	--10-28
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Apr. 29, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding	1,008,047,762