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Accounts Receivable, Net (Details Textual) (USD $)
3 Months Ended
Jan. 25, 2015
Jan. 26, 2014
Oct. 26, 2014
Receivables [Abstract]      
Factored accounts receivable $ 0amat_FactoredAccountsReceivable $ 45,000,000amat_FactoredAccountsReceivable  
Discounted letters of credit 0amat_DiscountedLettersofCreditProgram    
Allowance for doubtful accounts $ 58,000,000us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent   $ 58,000,000us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent