Industry Segment Operations - Net Sales and Operating Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2023	May 01, 2022	Apr. 30, 2023	May 01, 2022
Net sales and operating income (loss) for each reportable segment
Net Sales	$ 6,630	$ 6,245	$ 13,369	$ 12,516
Operating Income (Loss)	1,911	1,894	3,881	3,870
Corporate and Other
Net sales and operating income (loss) for each reportable segment
Net Sales	57	23	98	41
Operating Income (Loss)	$ (288)	$ (257)	$ (626)	$ (531)
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	84.00%	65.00%	81.00%	63.00%
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	11.00%	21.00%	12.00%	23.00%
Semiconductor Systems | Flash memory | Sales Revenue | Product Concentration Risk
Net sales and operating income (loss) for each reportable segment
Percentage of net sales	5.00%	14.00%	7.00%	14.00%
Semiconductor Systems | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net Sales	$ 4,977	$ 4,458	$ 10,139	$ 9,025
Operating Income (Loss)	1,764	1,648	3,681	3,419
Applied Global Services | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net Sales	1,428	1,383	2,797	2,703
Operating Income (Loss)	414	422	797	825
Display and Adjacent Markets | Operating Segments
Net sales and operating income (loss) for each reportable segment
Net Sales	168	381	335	747
Operating Income (Loss)	$ 21	$ 81	$ 29	$ 157