Balance Sheet Detail - Deferred Income Taxes and Other Assets (Details) - USD ($) $ in Millions	Jan. 26, 2020	Oct. 27, 2019
Balance Sheet Detail [Abstract]
Non-current deferred income taxes and income taxes receivable	$ 1,746	$ 1,766
Operating lease right-of-use assets	156
Other assets	287	265
Deferred Income Taxes and Other Assets	$ 2,189	$ 2,031

Amount of lessee's right to use underlying asset under operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

Name:	us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant