Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 25, 2020	Oct. 27, 2019
Income Statement [Abstract]
Net sales	$ 23,063	$ 17,202	$ 14,608
Cost of products sold	12,149	9,510	8,222
Gross profit	10,914	7,692	6,386
Operating expenses:
Research, development and engineering	2,485	2,234	2,054
Marketing and selling	609	526	521
General and administrative	620	567	461
Severance and related charges	157	0	0
Deal termination fee	154	0	0
Total operating expenses	4,025	3,327	3,036
Income from operations	6,889	4,365	3,350
Interest expense	236	240	237
Interest and other income, net	118	41	156
Income before income taxes	6,771	4,166	3,269
Provision for income taxes	883	547	563
Net income	$ 5,888	$ 3,619	$ 2,706
Earnings per share:
Basic (in dollars per share)	$ 6.47	$ 3.95	$ 2.89
Diluted (in dollars per share)	$ 6.40	$ 3.92	$ 2.86
Weighted average number of shares:
Basic (in shares)	910	916	937
Diluted (in shares)	919	923	945