DERIVATIVES, Fair value of derivative instruments and Consolidated Balance Sheet location (Details) - USD ($) $ in Millions	Apr. 30, 2021	Oct. 31, 2020
Derivative Fair Value by Balance Sheet Location
Derivatives asset fair value	$ 10	$ 2
Derivatives liabilities fair value	19	17
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	4	0
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	10	12
Derivatives Designated as Hedging Instruments | Net Investment Hedging [Member] | Foreign Exchange Contracts | Other Current Assets
Derivative Fair Value by Balance Sheet Location
Derivatives asset fair value	0	0
Derivatives Designated as Hedging Instruments | Net Investment Hedging [Member] | Foreign Exchange Contracts | Other Accrued Liabilities
Derivative Fair Value by Balance Sheet Location
Derivatives liabilities fair value	2	0
Derivatives Not Designated as Hedging Instruments | Foreign Exchange Contracts | Other Current Assets
Derivative Fair Value by Balance Sheet Location
Derivatives asset fair value	6	2
Derivatives Not Designated as Hedging Instruments | Foreign Exchange Contracts | Other Accrued Liabilities
Derivative Fair Value by Balance Sheet Location
Derivatives liabilities fair value	$ 7	$ 5