DERIVATIVES, Effect of derivative instruments on Consolidated Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Derivative
Gain (loss) reclassified from accumulated other comprehensive loss into cost of sales	$ 3	$ (2)	$ 7	$ 0
Interest Expense
Derivative
Gain (loss) reclassified from accumulated other comprehensive loss into cost of sales	0	0	(1)	(1)
Cost of Products and Services
Derivative
Gain (loss) reclassified from accumulated other comprehensive loss into cost of sales	3	(2)	8	1
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	$ (2)	$ 8	$ 1
Gain (Loss) Reclassified from AOCI into cost of sales [Extensible Enumeration]	Cost of revenue	Cost of revenue	Cost of revenue	Cost of revenue
Gain (loss) recognized	$ 2	$ 2	$ 5	$ 5
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	$ (3)	$ 2	$ (4)	$ (18)
Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Foreign Exchange Contracts | Interest Expense
Derivative
Loss reclassified from accumulated other comprehensive loss into Interest expense	0	0	(1)	(1)
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	0	0	0	(1)
Derivatives Not Designated as Hedging Instruments
Derivative
Gain (loss) recognized	$ 1	$ 5	$ 2	$ (1)
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