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DERIVATIVES, Fair value of derivative instruments and Consolidated Balance Sheet location (Details) - USD ($) $ in Millions	Apr. 30, 2019	Oct. 31, 2018
Derivative Fair Value by Balance Sheet Location
Derivatives asset fair value	$ 6	$ 16
Derivatives liabilities fair value	2	5
Derivatives Designated as Hedging Instruments | Cash Flow Hedging | Foreign Exchange Contracts [Member] | Other Current Assets
Derivative Fair Value by Balance Sheet Location
Derivatives asset fair value	4	11
Derivatives Designated as Hedging Instruments | Cash Flow Hedging | Foreign Exchange Contracts [Member] | Other Accrued Liabilities
Derivative Fair Value by Balance Sheet Location
Derivatives liabilities fair value	1	1
Derivatives Not Designated as Hedging Instruments | Foreign Exchange Contracts [Member] | Other Current Assets
Derivative Fair Value by Balance Sheet Location
Derivatives asset fair value	2	5
Derivatives Not Designated as Hedging Instruments | Foreign Exchange Contracts [Member] | Other Accrued Liabilities
Derivative Fair Value by Balance Sheet Location
Derivatives liabilities fair value	$ 1	$ 4

X

- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

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X

- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
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