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Warranty, Guarantees, Commitments and Contingencies - Narrative (Details) $ in Millions | 6 Months Ended
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Apr. 30, 2023 USD ($)
Commitments and Contingencies Disclosure [Abstract] |
Standard product warranty period | 12 months
Maximum potential amount of future payments for letters of credit or other guarantee instruments | $ 592
Parent guarantees to banks | $ 298

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- Definition Guarantor Obligations, Parent Guarantees Made to Banks. + References No definition available. + Details
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Namespace Prefix: | amat_
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Period Type: | instant

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- Definition Standard Product Warranty Period + References No definition available. + Details
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Namespace Prefix: | amat_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248 + Details
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