Document and Entity Information (USD $)	9 Months Ended
	Jul. 29, 2012	Apr. 29, 2012
Document and Entity Information [Abstract]
Entity Registrant Name	APPLIED MATERIALS INC /DE
Entity Central Index Key	0000006951
Document Type	10-Q
Document Period End Date	Jul. 29, 2012
Amendment Flag	false
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
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 Common Stock Shares Outstanding	1,237,495,151
Entity Public Float		$ 15,382,534,908