DERIVATIVES, Fair value of derivative instruments and Consolidated Balance Sheet location (Details) - USD ($) $ in Millions	Jul. 31, 2019	Oct. 31, 2018
Derivative Fair Value by Balance Sheet Location [Abstract]
Total derivatives Asset	$ 4	$ 6
Total derivatives Liabilities	4	6
Designated as Hedging Instruments | Cash Flow Hedging | Foreign Exchange Contracts | Other Current Assets [Member]
Derivative Fair Value by Balance Sheet Location [Abstract]
Total derivatives Asset	1	5
Designated as Hedging Instruments | Cash Flow Hedging | Foreign Exchange Contracts | Other Current Liabilities [Member]
Derivative Fair Value by Balance Sheet Location [Abstract]
Total derivatives Liabilities	2	4
Not Designated as Hedging Instrument | Foreign Exchange Contracts | Other Current Assets [Member]
Derivative Fair Value by Balance Sheet Location [Abstract]
Total derivatives Asset	3	1
Not Designated as Hedging Instrument | Foreign Exchange Contracts | Other Current Liabilities [Member]
Derivative Fair Value by Balance Sheet Location [Abstract]
Total derivatives Liabilities	$ 2	$ 2