Consolidated Condensed Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Beginning Balance, (in shares) at Oct. 27, 2019		916			1,079
Beginning Balance at Oct. 27, 2019	$ 8,214	$ 9	$ 7,595	$ 24,386	$ (23,596)	$ (180)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	892			892
Other comprehensive income (loss), net of tax	(8)					(8)
Dividends declared	(193)			(193)
Share-based compensation	93		93
Issuance under stock plans (in shares)		6
Issuance under stock plans	$ (138)		(138)
Common stock repurchases (in shares)	(3)	(3)			(3)
Common stock repurchases	$ (200)				$ (200)
Ending Balance, (in shares) at Jan. 26, 2020		919			1,082
Ending Balance at Jan. 26, 2020	8,660	$ 9	7,550	25,085	$ (23,796)	(188)
Beginning Balance, (in shares) at Oct. 25, 2020		914			1,091
Beginning Balance at Oct. 25, 2020	10,578	$ 9	7,904	27,209	$ (24,245)	(299)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,130			1,130
Other comprehensive income (loss), net of tax	2					2
Dividends declared	(202)			(202)
Share-based compensation	107		107
Issuance under stock plans (in shares)		4
Issuance under stock plans	$ (142)		(142)
Common stock repurchases (in shares)	0
Common stock repurchases	$ 0
Ending Balance, (in shares) at Jan. 31, 2021		918			1,091
Ending Balance at Jan. 31, 2021	$ 11,473	$ 9	$ 7,869	$ 28,137	$ (24,245)	$ (297)