Consolidated Condensed Statements of Stockholders' Equity (Parenthetical) (USD $) In Millions, unless otherwise specified	6 Months Ended
Apr. 28, 2013
Statement of Stockholders' Equity [Abstract]
Tax detriment included in issuance under stock plans	$ (3)

Tax benefits detriment included in issuance under stock plans.

No definition available.

Name:	amat_TaxBenefitsDetrimentIncludedInIssuanceUnderStockPlans
Namespace Prefix:	amat_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration