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DERIVATIVES (Effect on Statement of Operations) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Interest Rate Swap [Member]
Derivative [Line Items]
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI	$ 23	$ 0	$ 0
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Exchange Contract [Member] | Other Income (Expense) [Member]
Derivative [Line Items]
Gain (loss) recognized in other income (expense), net	4	(5)	4
Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
Derivative [Line Items]
Gain (loss) recognized in accumulated other comprehensive income (loss)	(3)	(5)	0
Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Cost of Products and Services [Member]
Derivative [Line Items]
Gain (loss) reclassified from accumulated other comprehensive income (loss) into earnings:	(3)	(1)	4
Gain (Loss) on Components Excluded from Assessment of Price Risk Fair Value Hedge Effectiveness			0
Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Selling, General and Administrative Expenses [Member]
Derivative [Line Items]
Gain (loss) reclassified from accumulated other comprehensive income (loss) into earnings:	(1)	(2)	0
Direct expense [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Cost of Products and Services [Member]
Derivative [Line Items]
Gain (Loss) on Components Excluded from Assessment of Price Risk Cash Flow Hedge Effectiveness	2	3
Amortization [Member] | Cash Flow Hedges [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Cost of Products and Services [Member]
Derivative [Line Items]
Gain (Loss) on Components Excluded from Assessment of Price Risk Cash Flow Hedge Effectiveness	$ 1	$ 0	$ 0

X

- Definition

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

+ References

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-Publisher FASB
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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.

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Amount of unrealized gain (loss) recognized in other comprehensive income (OCI) from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value using unobservable input (level 3) and still held.

+ References

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The net gain (loss) relating to components of the gain (loss) on foreign currency cash flow hedging instruments excluded from the assessment of hedge effectiveness. Recognized in earnings.

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Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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