Balance Sheet Detail Balance Sheet Detail (Deferred Income Taxes and Other Assets) (Details) - USD ($) $ in Millions	Jan. 27, 2019	Oct. 28, 2018
Balance Sheet Detail [Abstract]
Non-current deferred income taxes and income taxes receivable	$ 1,856	$ 319
Other assets	170	154
Deferred income taxes and other assets	$ 2,026	$ 473

Amount of noncurrent assets classified as other.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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