Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Oct. 27, 2019	Oct. 28, 2018	Oct. 29, 2017
Income Statement [Abstract]
Net sales	$ 14,608	$ 16,705	$ 14,698
Cost of products sold	8,222	9,188	8,086
Gross profit	6,386	7,517	6,612
Operating expenses:
Research, development and engineering	2,054	2,022	1,781
Marketing and selling	521	521	457
General and administrative	461	483	438
Total operating expenses	3,036	3,026	2,676
Income from operations	3,350	4,491	3,936
Interest expense	237	234	198
Interest and other income, net	156	139	78
Income before income taxes	3,269	4,396	3,816
Provision for income taxes	563	1,358	297
Net income	$ 2,706	$ 3,038	$ 3,519
Earnings per share:
Basic (in dollars per share)	$ 2.89	$ 3.00	$ 3.28
Diluted (in dollars per share)	$ 2.86	$ 2.96	$ 3.25
Weighted average number of shares:
Basic (in shares)	937	1,013	1,073
Diluted (in shares)	945	1,026	1,084