Cash, Cash Equivalents and Investments - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jul. 26, 2026	Jul. 27, 2025	Jul. 26, 2026	Jul. 27, 2025
Cash and Cash Equivalents [Abstract]
Interest income	$ 104	$ 92	$ 297	$ 309

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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-Name Accounting Standards Codification
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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