Name:	amat_DerivativeInstrumentsAndHedgingActivitiesTextualsAbstract
Namespace Prefix:	amat_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Time period for hedging of foreign currency Transaction.

No definition available.

Name:	amat_TimePeriodForHedgingOfForeignCurrencyTransaction
Namespace Prefix:	amat_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

Time period over which majority of after tax gain loss related to derivatives to be reclassified into earnings.

No definition available.

Name:	amat_TimePeriodOverWhichMajorityOfAfterTaxGainLossRelatedToDerivativesToBeReclassifiedIntoEarnings
Namespace Prefix:	amat_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration