Income Taxes (Valuation Allowance) (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 30, 2022	Oct. 31, 2021	Oct. 25, 2020
Changes in allowance for doubtful accounts
Increases	$ 0	$ 0	$ 0
Valuation Allowance of Deferred Tax Assets
Changes in allowance for doubtful accounts
Beginning balance	361	314	257
Increases	99	47	57
Ending balance	$ 460	$ 361	$ 314

Amount of valuation and qualifying accounts and reserves.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column B))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column E))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

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