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. 29, 2017		1,060				917
Beginning Balance at Oct. 29, 2017	$ 9,630	$ 11	$ 7,056	$ 18,539	[1]	$ (15,912)	$ (64)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,265			1,265
Other comprehensive income (loss), net of tax	(14)						(14)
Dividends declared	(306)			(306)
Share-based compensation	129		129
Issuance under stock plans (in shares)		7
Issuance under stock plans	$ (98)		(98)
Common stock repurchases (in shares)	(59)	(59)				(59)
Common stock repurchases	$ (3,282)	$ (1)				$ (3,281)
Ending Balance, (in shares) at Apr. 29, 2018		1,008				976
Ending Balance at Apr. 29, 2018	7,324	$ 10	7,087	19,498		$ (19,193)	(78)
Beginning Balance, (in shares) at Jan. 28, 2018		1,050				932
Beginning Balance at Jan. 28, 2018	8,817	$ 11	6,980	18,599		$ (16,694)	(79)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,100			1,100
Other comprehensive income (loss), net of tax	1						1
Dividends declared	(201)			(201)
Share-based compensation	64		64
Issuance under stock plans (in shares)		2
Issuance under stock plans	$ 43		43
Common stock repurchases (in shares)	(44)	(44)				(44)
Common stock repurchases	$ (2,500)	$ (1)				$ (2,499)
Ending Balance, (in shares) at Apr. 29, 2018		1,008				976
Ending Balance at Apr. 29, 2018	7,324	$ 10	7,087	19,498		$ (19,193)	(78)
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)					$ (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)

[1] Retained earnings balance as of October 29, 2017 included adjustment of $281 million related to the adoption of the standard related to revenue recognition.