Derivative Instruments and Hedging Activities (Gain/Loss Recognized in Income) (Details) - Foreign exchange contracts - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Apr. 30, 2017	May 01, 2016	Apr. 30, 2017	May 01, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivatives not designated as hedging instruments	$ (6)	$ (32)	$ 25	$ (36)
General and administrative
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivatives not designated as hedging instruments	$ (6)	$ (32)	$ 25	$ (36)

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959

Name:	us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration