Industry Segment Operations - Schedule of Revenue Semiconductor Systems by Market (Details) - Semiconductor Systems - Net sales - Product Concentration Risk	12 Months Ended
	Oct. 26, 2025	Oct. 27, 2024	Oct. 29, 2023
Segment Reporting Information [Line Items]
Percentage of net revenue	100.00%	100.00%	100.00%
Foundry, logic and other
Segment Reporting Information [Line Items]
Percentage of net revenue	67.00%	68.00%	77.00%
Dynamic random-access memory (DRAM)
Segment Reporting Information [Line Items]
Percentage of net revenue	26.00%	28.00%	17.00%
Flash memory (NAND)
Segment Reporting Information [Line Items]
Percentage of net revenue	7.00%	4.00%	6.00%