Consolidated Condensed Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Revision of Prior Period, Adjustment	[1]	Common Stock	Additional Paid-In Capital	Retained Earnings	Retained Earnings Revision of Prior Period, Adjustment	[1]	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Revision of Prior Period, Adjustment	[1]
Beginning Balance, (in shares) at Oct. 28, 2018				967					1,019
Beginning 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	2,008					2,008
Other comprehensive income (loss), net of tax	5									5
Dividends declared	(578)					(578)
Share-based compensation	197				197
Issuance under stock plans (in shares)				7
Issuance under stock plans	$ (11)				(11)
Common stock repurchases (in shares)	(50)			(50)					(50)
Common stock repurchases	$ (1,903)			$ (1)					$ (1,902)
Ending Balance, (in shares) at Jul. 28, 2019				924					1,069
Ending Balance at Jul. 28, 2019	$ 8,116			$ 9	7,460	23,880			$ (23,096)	(137)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201601Member
Beginning Balance, (in shares) at Apr. 28, 2019				936					1,057
Beginning Balance at Apr. 28, 2019	$ 8,201			$ 9	7,396	23,502			$ (22,568)	(138)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	571					571
Other comprehensive income (loss), net of tax	1									1
Dividends declared	(193)					(193)
Share-based compensation	67				67
Issuance under stock plans (in shares)				0
Issuance under stock plans	$ (3)				(3)
Common stock repurchases (in shares)	(12)			(12)					(12)
Common stock repurchases	$ (528)								$ (528)
Ending Balance, (in shares) at Jul. 28, 2019				924					1,069
Ending Balance at Jul. 28, 2019	8,116			$ 9	7,460	23,880			$ (23,096)	(137)
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	2,488					2,488
Other comprehensive income (loss), net of tax	(97)									(97)
Dividends declared	(596)					(596)
Share-based compensation	234				234
Issuance under stock plans (in shares)				8
Issuance under stock plans	$ (75)				(75)
Common stock repurchases (in shares)	(11)			(11)					(11)
Common stock repurchases	$ (599)								$ (599)
Ending Balance, (in shares) at Jul. 26, 2020				913					1,090
Ending Balance at Jul. 26, 2020	$ 9,569			$ 9	7,754	26,278			$ (24,195)	(277)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201602Member
Beginning Balance, (in shares) at Apr. 26, 2020				917					1,086
Beginning Balance at Apr. 26, 2020	$ 9,024			$ 9	7,687	25,638			$ (23,995)	(315)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	841					841
Other comprehensive income (loss), net of tax	38									38
Dividends declared	(201)					(201)
Share-based compensation	70				70
Issuance under stock plans (in shares)				0
Issuance under stock plans	$ (3)				(3)
Common stock repurchases (in shares)	(4)			(4)					(4)
Common stock repurchases	$ (200)								$ (200)
Ending Balance, (in shares) at Jul. 26, 2020				913					1,090
Ending Balance at Jul. 26, 2020	$ 9,569			$ 9	$ 7,754	$ 26,278			$ (24,195)	$ (277)

[1] Represents the reclassification 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.