Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions		Total	Cumulative Effect, Period of Adoption, Adjustment	[3]	Common Stock	Additional Paid-In Capital	Retained Earnings	[1]	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	[1],[3]	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Cumulative Effect, Period of Adoption, Adjustment	[3]
Beginning Balance (in shares) at Oct. 29, 2017					1,060						(917)
Beginning Balance at Oct. 29, 2017		$ 9,630			$ 11	$ 7,056	$ 18,539				$ (15,912)	$ (64)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification adjustment related to the early adoption of Accounting Standards Update (ASU) 2018-02	[2]						(3)					3
Accounting Standards Update [Extensible List]		us-gaap:AccountingStandardsUpdate201601Member
Net income		$ 3,038					3,038
Other comprehensive loss, net of tax		(64)										(64)
Dividends declared		(694)					(694)
Share-based compensation		258				258
Issuance under stock plans (in shares)					9
Issuance under stock plans		$ (40)				(40)
Common stock repurchases, (in shares)		(102)			(102)						(102)
Common stock repurchases		$ (5,283)			$ (1)						$ (5,282)
Ending Balance (in shares) at Oct. 28, 2018					967						(1,019)
Ending Balance at Oct. 28, 2018		6,845	$ 1,553		$ 10	7,274	20,880		$ 1,570		$ (21,194)	(125)	$ (17)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		2,706					2,706
Other comprehensive loss, net of tax		(38)										(38)
Dividends declared		(770)					(770)
Share-based compensation		263				263
Issuance under stock plans (in shares)					9
Issuance under stock plans		$ 58				58
Common stock repurchases, (in shares)		(60)			(60)						(60)
Common stock repurchases		$ (2,403)			$ (1)						$ (2,402)
Ending Balance (in shares) at Oct. 27, 2019					916						(1,079)
Ending Balance at Oct. 27, 2019		8,214			$ 9	7,595	24,386				$ (23,596)	(180)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		3,619					3,619
Other comprehensive loss, net of tax		(119)										(119)
Dividends declared		(796)					(796)
Share-based compensation		307				307
Issuance under stock plans (in shares)					10
Issuance under stock plans		$ 2				2
Common stock repurchases, (in shares)		(12)			(12)						(12)
Common stock repurchases		$ (649)									$ (649)
Ending Balance (in shares) at Oct. 25, 2020					914						(1,091)
Ending Balance at Oct. 25, 2020		$ 10,578			$ 9	$ 7,904	$ 27,209				$ (24,245)	$ (299)

[1] Retained earnings balance as of October 29, 2017 and October 28, 2018 included increases of $281 million and $6 million, respectively, related to the adoption of the standard related to revenue recognition.

[2] Represents the reclassification adjustment related to the early adoption of Accounting Standards Update (ASU) 2018-02 Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.

[3] Represents the adjustment related to the adoption of Accounting Standard Update (ASU) 2016-01 Financial Instruments-Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities and ASU 2016-16 Income Tax (Topic 740): Intra-Entity Transfers of Assets Other Than Inventory.