Industry Segment Operations - Net Sales and Operating Income (Loss) (Details) - Semiconductor Systems - Net sales - Product Concentration Risk	12 Months Ended
	Oct. 27, 2024	Oct. 29, 2023	Oct. 30, 2022
Segment Reporting Information [Line Items]
Percentage of net sales	100.00%	100.00%	100.00%
Foundry, logic and other
Segment Reporting Information [Line Items]
Percentage of net sales	68.00%	77.00%	66.00%
Dynamic random-access memory (DRAM)
Segment Reporting Information [Line Items]
Percentage of net sales	28.00%	17.00%	19.00%
Flash memory
Segment Reporting Information [Line Items]
Percentage of net sales	4.00%	6.00%	15.00%