Industry Segment Operations - Schedule of Segment Reporting (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 27, 2025	Apr. 28, 2024	Apr. 27, 2025	Apr. 28, 2024
Segment Reporting Information [Line Items]
Net revenue	$ 7,100	$ 6,646	$ 14,266	$ 13,353
Operating Income (Loss)	2,169	1,912	4,344	3,879
Operating Segments | Semiconductor Systems
Segment Reporting Information [Line Items]
Net revenue	5,255	4,901	10,611	9,810
Operating Income (Loss)	1,900	1,701	3,886	3,445
Operating Segments | Applied Global Services
Segment Reporting Information [Line Items]
Net revenue	1,566	1,530	3,160	3,006
Operating Income (Loss)	446	436	893	853
Operating Segments | Display
Segment Reporting Information [Line Items]
Net revenue	259	179	442	423
Operating Income (Loss)	68	5	82	30
Corporate and Other
Segment Reporting Information [Line Items]
Net revenue	20	36	53	114
Operating Income (Loss)	$ (245)	$ (230)	$ (517)	$ (449)