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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, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Foreign Exchange Contracts
Derivative
Loss Reclassified from Accumulated OCI into cost of sales		$ (4)		$ (18)
Loss Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration]		Cost of revenue		Cost of revenue
Gain Reclassified from Accumulated OCI into cost of sales	$ 12		$ 20
Gain Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration]	Costs and Expenses		Cost of revenue
Gain (loss) recognized	$ 0	$ (1)	$ 0	$ (1)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of revenue	Cost of revenue	Cost of revenue	Cost of revenue
Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Foreign Exchange Contracts | Accumulated Other Comprehensive Income (Loss)
Derivative
Gain (loss) recognized in accumulated other comprehensive loss	$ 5	$ 1	$ 34	$ (5)
Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Foreign Exchange Contracts | Interest Expense
Derivative
Loss reclassified from accumulated other comprehensive loss into Interest expense	(1)	(1)	(1)	(1)
Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member] | Foreign Exchange Contracts | Accumulated Other Comprehensive Income (Loss)
Derivative
Gain (loss) recognized in accumulated other comprehensive loss - translation adjustment	0	1	4	(2)
Derivatives Not Designated as Hedging Instruments
Derivative
Gain (loss) recognized	$ 0	$ (3)	$ (1)	$ (4)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other income (expense), net	Other income (expense), net	Other income (expense), net	Other income (expense), net

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- 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 gain reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings.

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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Amount, before tax and reclassification, of gain (loss) from derivative designated and qualifying as net investment hedge.

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