The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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-Section 50
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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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DERIVATIVES, Effect of derivative instruments on Consolidated Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Derivative
Gain (loss) recognized in accumulated other comprehensive income (loss)	$ 5		$ (5)
Gain (loss) reclassified from accumulated other comprehensive income (loss) into cost of sales	(5)	$ 1	(5)	$ 2
Cash Flow Hedging \| Cost of Sales
Derivative
Cash flow hedge net loss to be reclassified within next Twelve Months	2
Derivatives Designated as Hedging Instrument \| Cash Flow Hedging \| Foreign Exchange Contracts [Member] \| Accumulated Other Comprehensive Income (Loss)
Derivative
Gain (loss) recognized in accumulated other comprehensive income (loss)	5	(1)	(5)	1
Derivatives Designated as Hedging Instrument \| Cash Flow Hedging \| Foreign Exchange Contracts [Member] \| Cost of Sales
Derivative
Gain (loss) reclassified from accumulated other comprehensive income (loss) into cost of sales	(5)	1	(5)	2
Derivatives Not Designated as Hedging Instruments \| Other income (expense)
Derivative
Gain (loss) recognized in other income (expense)	$ (5)	$ 0	$ 1	$ (3)