Consolidated Condensed Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Jan. 31, 2021	Jan. 26, 2020
Income Statement [Abstract]
Net sales	$ 5,162	$ 4,162
Cost of products sold	2,813	2,304
Gross profit	2,349	1,858
Operating expenses:
Research, development and engineering	606	552
Marketing and selling	147	135
General and administrative	161	129
Severance and related charges	152	0
Total operating expenses	1,066	816
Income from operations	1,283	1,042
Interest expense	61	59
Interest and other income, net	18	22
Income before income taxes	1,240	1,005
Provision for income taxes	110	113
Net income	$ 1,130	$ 892
Earnings per share:
Basic (in dollars per share)	$ 1.23	$ 0.97
Diluted (in dollars per share)	$ 1.22	$ 0.96
Weighted average number of shares:
Basic (in shares)	915	916
Diluted (in shares)	925	927