Industry Segment Operations - Net Sales and Operating Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 01, 2021	Jul. 26, 2020	Aug. 01, 2021	Jul. 26, 2020
Net sales and operating income (loss) for each reportable segment
Net Sales	$ 6,196	$ 4,395	$ 16,940	$ 12,514
Operating Income (Loss)	2,013	1,108	4,875	3,082
Corporate and Other
Net sales and operating income (loss) for each reportable segment
Net Sales	25	20	100	46
Operating Income (Loss)	$ (264)	$ (206)	$ (1,025)	$ (576)
Semiconductor Systems | Sales Revenue | Product Concentration Risk
Net sales and operating income (loss) for each reportable segment
Percentage of net sales	100.00%	100.00%	100.00%	100.00%
Semiconductor Systems | Foundry, logic and other | Sales Revenue | Product Concentration Risk
Net sales and operating income (loss) for each reportable segment
Percentage of net sales	63.00%	55.00%	59.00%	60.00%
Semiconductor Systems | Dynamic random-access memory (DRAM) | Sales Revenue | Product Concentration Risk
Net sales and operating income (loss) for each reportable segment
Percentage of net sales	20.00%	22.00%	17.00%	19.00%
Semiconductor Systems | Flash memory | Sales Revenue | Product Concentration Risk
Net sales and operating income (loss) for each reportable segment
Percentage of net sales	17.00%	23.00%	24.00%	21.00%
Semiconductor Systems | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net Sales	$ 4,454	$ 2,916	$ 11,979	$ 8,297
Operating Income (Loss)	1,785	958	4,588	2,655
Applied Global Services | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net Sales	1,286	1,034	3,644	3,049
Operating Income (Loss)	393	273	1,083	807
Display and Adjacent Markets | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net Sales	431	425	1,217	1,122
Operating Income (Loss)	$ 99	$ 83	$ 229	$ 196