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Industry Segment Operations - Schedule of Goodwill by Reportable Segment (Details) - USD ($) $ in Millions | Jul. 27, 2025 | Oct. 27, 2024
--- | --- | ---
Segment Reporting Information [Line Items] |  |
Goodwill | $ 3,748 | $ 3,732
Operating Segments | Semiconductor Systems |  |
Segment Reporting Information [Line Items] |  |
Goodwill | 2,476 | 2,460
Operating Segments | Applied Global Services |  |
Segment Reporting Information [Line Items] |  |
Goodwill | 1,032 | 1,032
Operating Segments | Display |  |
Segment Reporting Information [Line Items] |  |
Goodwill | 199 | 199
Corporate and Other |  |
Segment Reporting Information [Line Items] |  |
Goodwill | $ 41 | $ 41

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