DERIVATIVES, Effect of derivative instruments on Consolidated Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022
Derivative
Gain (loss) reclassified from accumulated other comprehensive loss into cost of sales	$ (4)	$ 5	$ 2	$ 8
Interest Expense
Derivative
Gain (loss) reclassified from accumulated other comprehensive loss into cost of sales	(1)	0	(1)	0
Cost of Products and Services
Derivative
Gain (loss) reclassified from accumulated other comprehensive loss into cost of sales	(3)	5	3	8
Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Foreign Exchange Contracts
Derivative
Gain (loss) reclassified from accumulated other comprehensive loss into cost of sales	$ (4)	$ 5	$ 2	$ 8
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	$ 1	$ 0	$ 3	$ 0
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	$ 11	$ 21	$ (20)	$ 29
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	(1)	4
Derivatives Not Designated as Hedging Instruments
Derivative
Gain (loss) recognized	$ 7	$ 2	$ (6)	$ (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