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v3.25.1

Guarantees, Commitments and Contingencies (Details) $ in Millions | Apr. 27, 2025 USD ($)
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Commitments and Contingencies Disclosure [Abstract] |
Maximum potential amount of future payments for letters of credit or other guarantee instruments | $ 345
Parent guarantees to banks | $ 296

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- Definition Guarantor Obligations, Parent Guarantees Made to Banks. + References No definition available. + Details
Name: | amat_GuarantorObligationsParentGuaranteesMadetoBanks
Namespace Prefix: | amat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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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://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 + Details
Name: | us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant