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DERIVATIVES Derivative, interest rate swaps (Details) - USD ($) $ in Millions	6 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Oct. 31, 2020
Derivative [Line Items]
Interest rate swap agreement termination proceeds		$ 107
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	$ 101
ESI Group SA
Derivative [Line Items]
Derivatives not designated as hedging instruments:		$ 18
Senior Notes 2034
Derivative [Line Items]
Debt Instrument, Face Amount	$ 600
Treasury Lock
Derivative [Line Items]
Derivative Liability, Notional Amount			$ 600

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