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. 28, 2018		967			1,019
Beginning Balance at Oct. 28, 2018	$ 6,845	$ 10	$ 7,274	$ 20,880	$ (21,194)	$ (125)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,437			1,437
Other comprehensive income (loss), net of tax	4					4
Dividends declared	(385)			(385)
Share-based compensation	130		130
Issuance under stock plans (in shares)		7
Issuance under stock plans	$ (8)		(8)
Common stock repurchases (in shares)	(38)	(38)			(38)
Common stock repurchases	$ (1,375)	$ (1)			$ (1,374)
Ending Balance, (in shares) at Apr. 28, 2019		936			1,057
Ending Balance at Apr. 28, 2019	8,201	$ 9	7,396	23,502	$ (22,568)	(138)
Beginning Balance, (in shares) at Jan. 27, 2019		949			1,041
Beginning Balance at Jan. 27, 2019	8,209	$ 9	7,265	23,032	$ (21,943)	(154)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	666			666
Other comprehensive income (loss), net of tax	16					16
Dividends declared	(196)			(196)
Share-based compensation	65		65
Issuance under stock plans (in shares)		3
Issuance under stock plans	$ 66		66
Common stock repurchases (in shares)	(16)	(16)			(16)
Common stock repurchases	$ (625)	$ 0			$ (625)
Ending Balance, (in shares) at Apr. 28, 2019		936			1,057
Ending Balance at Apr. 28, 2019	8,201	$ 9	7,396	23,502	$ (22,568)	(138)
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	1,647			1,647
Other comprehensive income (loss), net of tax	(135)					(135)
Dividends declared	(395)			(395)
Share-based compensation	164		164
Issuance under stock plans (in shares)		8
Issuance under stock plans	$ (72)		(72)
Common stock repurchases (in shares)	(7)	(7)			(7)
Common stock repurchases	$ (399)	$ 0			$ (399)
Ending Balance, (in shares) at Apr. 26, 2020		917			1,086
Ending Balance at Apr. 26, 2020	9,024	$ 9	7,687	25,638	$ (23,995)	(315)
Beginning Balance, (in shares) at Jan. 26, 2020		919			1,082
Beginning Balance at Jan. 26, 2020	8,660	$ 9	7,550	25,085	$ (23,796)	(188)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	755			755
Other comprehensive income (loss), net of tax	(127)					(127)
Dividends declared	(202)			(202)
Share-based compensation	71		71
Issuance under stock plans (in shares)		2
Issuance under stock plans	$ 66		66
Common stock repurchases (in shares)	(4)	(4)			(4)
Common stock repurchases	$ (199)				$ (199)
Ending Balance, (in shares) at Apr. 26, 2020		917			1,086
Ending Balance at Apr. 26, 2020	$ 9,024	$ 9	$ 7,687	$ 25,638	$ (23,995)	$ (315)