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Business Combination (Details) (USD $)
Apr. 26, 2015
Business Acquisition [Line Items]  
Termination fee payable $ 0amat_BusinessCombinationTerminationFee
TEL [Member]  
Business Acquisition [Line Items]  
Termination fee payable $ 0amat_BusinessCombinationTerminationFee
/ us-gaap_BusinessAcquisitionAxis
= amat_TokyoElectronLimitedMember