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.

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DERIVATIVES, Effect of derivative instruments on Consolidated Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2018	Jul. 31, 2017
Derivative
Gain (loss) recognized in accumulated other comprehensive income (loss)	$ 8		$ 3
Gain (loss) reclassified from accumulated other comprehensive income (loss) into cost of sales	(1)	$ 1	(6)	$ 3
Cash Flow Hedging \| Cost of Sales
Derivative
Cash flow hedge net loss to be reclassified within next Twelve Months	11
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)	8	(4)	3	(3)
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	(1)	1	(6)	3
Derivatives Not Designated as Hedging Instruments \| Other income (expense)
Derivative
Gain (loss) recognized in other income (expense)	$ (2)	$ 10	$ (2)	$ 7