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DERIVATIVES, Fair value of derivative instruments and Consolidated Balance Sheet location (Details) - USD ($) $ in Millions	Jul. 31, 2018	Oct. 31, 2017
Derivative Fair Value by Balance Sheet Location
Total derivatives Asset	$ 11	$ 4
Total derivatives Liabilities	2	6
Derivatives Designated as Hedging Instruments | Cash Flow Hedging | Foreign Exchange Contracts [Member] | Other Current Assets
Derivative Fair Value by Balance Sheet Location
Total derivatives Asset	10	2
Derivatives Designated as Hedging Instruments | Cash Flow Hedging | Foreign Exchange Contracts [Member] | Other Accrued Liabilities
Derivative Fair Value by Balance Sheet Location
Total derivatives Liabilities	1	2
Derivatives Not Designated as Hedging Instruments | Foreign Exchange Contracts [Member] | Other Current Assets
Derivative Fair Value by Balance Sheet Location
Total derivatives Asset	1	2
Derivatives Not Designated as Hedging Instruments | Foreign Exchange Contracts [Member] | Other Accrued Liabilities
Derivative Fair Value by Balance Sheet Location
Total derivatives Liabilities	$ 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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
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- 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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