DERIVATIVES, Fair value of derivative instruments and Consolidated Balance Sheet location (Details) - USD ($) $ in Millions	Apr. 30, 2026	Oct. 31, 2025
Derivative Fair Value by Balance Sheet Location
Derivatives asset fair value	$ 11	$ 14
Derivatives liabilities fair value	9	10
Derivatives Designated as Hedging Instruments \| Cash Flow Hedging \| Foreign Exchange Contracts \| Other Current Assets
Derivative Fair Value by Balance Sheet Location
Derivatives asset fair value	5	9
Derivatives Designated as Hedging Instruments \| Cash Flow Hedging \| Foreign Exchange Contracts \| Other Accrued Liabilities
Derivative Fair Value by Balance Sheet Location
Derivatives liabilities fair value	4	3
Derivatives Designated as Hedging Instruments \| Net Investment Hedging \| Foreign Exchange Contracts \| Other Current Assets
Derivative Fair Value by Balance Sheet Location
Derivatives asset fair value	1	0
Derivatives Designated as Hedging Instruments \| Net Investment Hedging \| Foreign Exchange Contracts \| Other Accrued Liabilities
Derivative Fair Value by Balance Sheet Location
Derivatives liabilities fair value	0	0
Derivatives Not Designated as Hedging Instruments \| Foreign Exchange Contracts \| Other Current Assets
Derivative Fair Value by Balance Sheet Location
Derivatives asset fair value	5	5
Derivatives Not Designated as Hedging Instruments \| Foreign Exchange Contracts \| Other Accrued Liabilities
Derivative Fair Value by Balance Sheet Location
Derivatives liabilities fair value	$ 5	$ 7