The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Name:	us-gaap_RetainedEarningsAccumulatedDeficit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($) $ in Millions	3 Months Ended												12 Months Ended
	Oct. 31, 2021	Aug. 01, 2021	May 02, 2021	Jan. 31, 2021	Oct. 25, 2020	Jul. 26, 2020	Apr. 26, 2020	Jan. 26, 2020	Oct. 27, 2019	Jul. 28, 2019	Apr. 28, 2019	Jan. 27, 2019	Oct. 31, 2021	Oct. 25, 2020	Oct. 27, 2019	Oct. 28, 2018
Cash dividend declared (usd per share)	$ 0.24	$ 0.24	$ 0.24	$ 0.22	$ 0.22	$ 0.22	$ 0.22	$ 0.21	$ 0.21	$ 0.21	$ 0.21	$ 0.20	$ 0.94	$ 0.87	$ 0.83
Retained earnings	$ 32,246				$ 27,209								$ 32,246	$ 27,209
Cumulative Effect, Period of Adoption, Adjustment
Retained earnings																$ 6