DERIVATIVES, Effect of derivative instruments on Consolidated Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended
Jan. 31, 2025	Jan. 31, 2024
Derivative
Gain (loss) reclassified from accumulated other comprehensive loss into cost of sales	$ 3	$ 3
Gain (Loss) Reclassified from AOCI into cost of sales [Extensible Enumeration]	Cost of revenue	Cost of revenue
Derivatives Designated as Hedging Instrument \| Cash Flow Hedging \| Foreign Exchange Contracts
Derivative
Gain (loss) reclassified from accumulated other comprehensive loss into cost of sales	$ 3	$ 3
Gain (Loss) Reclassified from AOCI into cost of sales [Extensible Enumeration]	Cost of revenue	Cost of revenue
Gain (loss) recognized	$ 1	$ 2
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	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	$ 14	$ (10)
Derivatives Designated as Hedging Instrument \| Net Investment Hedging \| Foreign Exchange Contracts \| Accumulated Other Comprehensive Income (Loss)
Derivative
Gain (loss) recognized in accumulated other comprehensive loss - translation adjustment	2	0
Derivatives Not Designated as Hedging Instruments
Derivative
Gain (loss) recognized	$ (2)	$ (2)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other income (expense), net	Other income (expense), net

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

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Indicates line item in statement of income or comprehensive income that includes gain (loss) from effective portion of derivative instrument reclassified from accumulated other comprehensive income (AOCI) into income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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

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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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