Warranty, Guarantees, Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 27, 2019	Oct. 28, 2018	Oct. 29, 2017
Commitments and Contingencies Disclosure [Abstract]
Total rent expense	$ 51	$ 50	$ 34
Products warranty period	12 months
Maximum potential amount of future payments for letters of credit or other guarantee instruments	$ 76
Parent guarantees to banks	$ 151

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=118943654&loc=d3e12069-110248

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