Accounts Receivable, Net (Details Textual) (USD $)	3 Months Ended	6 Months Ended
Apr. 26, 2015	Apr. 27, 2014	Apr. 26, 2015	Apr. 27, 2014	Oct. 26, 2014
Receivables [Abstract]
Factored accounts receivable	$ 0amat_FactoredAccountsReceivable	$ 0amat_FactoredAccountsReceivable	$ 0amat_FactoredAccountsReceivable	$ 45,000,000amat_FactoredAccountsReceivable
Discounted letters of credit	0amat_DiscountedLettersofCreditProgram	29,000,000amat_DiscountedLettersofCreditProgram	0amat_DiscountedLettersofCreditProgram	29,000,000amat_DiscountedLettersofCreditProgram
Allowance for doubtful accounts	$ 58,000,000		$ 58,000,000		$ 58,000,000

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5074-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant