Balance Sheet Detail (Other Liabilities) (Details) - USD ($) $ in Millions	Jan. 27, 2019	Oct. 28, 2018
Other Liabilities
Defined and postretirement benefit plans	$ 178	$ 177
Other	146	126
Other Liabilities	$ 324	$ 303

Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans.

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