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DERIVATIVES, Disclosures and derivative instrument aggregated notional amounts by currency and designations (Details) $ in Millions	Oct. 31, 2020 USD ($) contracts
Designated as Hedging Instrument | Cash Flow Hedges
Derivative [Line Items]
Number Of Foreign Exchange Forward Contracts Designated As Cash Flow Hedge | contracts	270
Designated as Hedging Instrument | Cash Flow Hedges | Forward Contracts Buy/(Sell) | Buy | Singapore, Dollars
Derivative [Line Items]
Derivative, Notional Amount	$ 12
Designated as Hedging Instrument | Cash Flow Hedges | Forward Contracts Buy/(Sell) | Buy | Other Currency
Derivative [Line Items]
Derivative, Notional Amount	4
Designated as Hedging Instrument | Cash Flow Hedges | Forward Contracts Buy/(Sell) | Sell
Derivative [Line Items]
Derivative, Notional Amount	332
Designated as Hedging Instrument | Cash Flow Hedges | Forward Contracts Buy/(Sell) | Sell | Euro
Derivative [Line Items]
Derivative, Notional Amount	59
Designated as Hedging Instrument | Cash Flow Hedges | Forward Contracts Buy/(Sell) | Sell | British Pounds
Derivative [Line Items]
Derivative, Notional Amount	41
Designated as Hedging Instrument | Cash Flow Hedges | Forward Contracts Buy/(Sell) | Sell | Canadian Dollars
Derivative [Line Items]
Derivative, Notional Amount	33
Designated as Hedging Instrument | Cash Flow Hedges | Forward Contracts Buy/(Sell) | Sell | Japanese Yen
Derivative [Line Items]
Derivative, Notional Amount	83
Designated as Hedging Instrument | Cash Flow Hedges | Forward Contracts Buy/(Sell) | Sell | Korean Won
Derivative [Line Items]
Derivative, Notional Amount	58
Designated as Hedging Instrument | Cash Flow Hedges | Forward Contracts Buy/(Sell) | Sell | China, Yuan Renminbi
Derivative [Line Items]
Derivative, Notional Amount	74
Designated as Hedging Instrument | Cash Flow Hedges | Forward Contracts Buy/(Sell) | Sell | Sweden, Kronor
Derivative [Line Items]
Derivative, Notional Amount	0
Designated as Hedging Instrument | Cash Flow Hedges | Forward Contracts Buy/(Sell) | Sell | Taiwan, New Dollars
Derivative [Line Items]
Derivative, Notional Amount	0
Designated as Hedging Instrument | Cash Flow Hedges | Forward Contracts Buy/(Sell) | Sell | India, Rupees
Derivative [Line Items]
Derivative, Notional Amount	$ 0
Designated as Hedging Instrument | Net Investment Hedging
Derivative [Line Items]
Number Of Foreign Exchange Forward Contracts Designated As Cash Flow Hedge | contracts	3
Designated as Hedging Instrument | Net Investment Hedging | Forward Contracts Buy/(Sell) | Sell
Derivative [Line Items]
Derivative, Notional Amount	$ 94
Designated as Hedging Instrument | Net Investment Hedging | Forward Contracts Buy/(Sell) | Sell | Euro
Derivative [Line Items]
Derivative, Notional Amount	$ 94
Derivatives Not Designated as Hedging Instruments
Derivative [Line Items]
Number Of Foreign Exchange Forward Contracts Not Designated As Hedges | contracts	183
Derivatives Not Designated as Hedging Instruments | Forward Contracts Buy/(Sell) | Buy | Euro
Derivative [Line Items]
Derivative, Notional Amount	$ 17
Derivatives Not Designated as Hedging Instruments | Forward Contracts Buy/(Sell) | Buy | British Pounds
Derivative [Line Items]
Derivative, Notional Amount	7
Derivatives Not Designated as Hedging Instruments | Forward Contracts Buy/(Sell) | Buy | Singapore, Dollars
Derivative [Line Items]
Derivative, Notional Amount	23
Derivatives Not Designated as Hedging Instruments | Forward Contracts Buy/(Sell) | Buy | Other Currency
Derivative [Line Items]
Derivative, Notional Amount	2
Derivatives Not Designated as Hedging Instruments | Forward Contracts Buy/(Sell) | Sell
Derivative [Line Items]
Derivative, Notional Amount	134
Derivatives Not Designated as Hedging Instruments | Forward Contracts Buy/(Sell) | Sell | Canadian Dollars
Derivative [Line Items]
Derivative, Notional Amount	7
Derivatives Not Designated as Hedging Instruments | Forward Contracts Buy/(Sell) | Sell | Japanese Yen
Derivative [Line Items]
Derivative, Notional Amount	39
Derivatives Not Designated as Hedging Instruments | Forward Contracts Buy/(Sell) | Sell | Korean Won
Derivative [Line Items]
Derivative, Notional Amount	32
Derivatives Not Designated as Hedging Instruments | Forward Contracts Buy/(Sell) | Sell | China, Yuan Renminbi
Derivative [Line Items]
Derivative, Notional Amount	66
Derivatives Not Designated as Hedging Instruments | Forward Contracts Buy/(Sell) | Sell | Sweden, Kronor
Derivative [Line Items]
Derivative, Notional Amount	10
Derivatives Not Designated as Hedging Instruments | Forward Contracts Buy/(Sell) | Sell | Taiwan, New Dollars
Derivative [Line Items]
Derivative, Notional Amount	14
Derivatives Not Designated as Hedging Instruments | Forward Contracts Buy/(Sell) | Sell | India, Rupees
Derivative [Line Items]
Derivative, Notional Amount	$ 15

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- Definition

Number of foreign currency exchange forward contract derivatives held by the entity at the reporting date and designated as cash flow hedges.

+ References

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Number of foreign currency exchange forward contract derivatives held by the entity at the reporting date and not designated as hedges.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

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