DERIVATIVES ACQUISITION (Details) £ in Millions, $ in Millions	3 Months Ended	6 Months Ended
	Apr. 30, 2025 USD ($)	Apr. 30, 2025 USD ($)	Apr. 30, 2024 USD ($)	Oct. 31, 2024 GBP (£)	Oct. 31, 2023 USD ($)	Oct. 31, 2020 USD ($)
ESI Group SA
Derivative [Line Items]
Derivatives not designated as hedging instruments:			$ 18
Realized Gain (Loss), Derivative and Foreign Currency Transaction Price Change, Operating, before Tax			$ 63
Planned Acquisition
Derivative [Line Items]
Derivatives not designated as hedging instruments:	$ 115	$ 47
Realized Gain (Loss), Derivative and Foreign Currency Transaction Price Change, Operating, before Tax	$ 60	60
Treasury Lock
Derivative [Line Items]
Derivative Liability, Notional Amount						$ 600
Foreign Exchange Forward | Not Designated as Hedging Instrument | ESI Group SA
Derivative [Line Items]
Derivative Liability, Notional Amount					$ 930
Foreign Exchange Forward | Not Designated as Hedging Instrument | Planned Acquisition
Derivative [Line Items]
Derivative Liability, Notional Amount | £				£ 1,200
Unrealized Gain (Loss) on Derivatives		$ 10