DERIVATIVES, Disclosures and derivative instrument aggregated notional amounts by currency and designations (Details) - Forward Contracts Buy/(Sell) [Member] $ in Millions	Oct. 31, 2018 USD ($)
Designated as Hedging Instrument | Cash Flow Hedges | Buy | Australian Dollars
Derivative [Line Items]
Derivative, Notional Amount	$ 4
Designated as Hedging Instrument | Cash Flow Hedges | Buy | Singapore, Dollars
Derivative [Line Items]
Derivative, Notional Amount	14
Designated as Hedging Instrument | Cash Flow Hedges | Sell
Derivative [Line Items]
Derivative, Notional Amount	282
Designated as Hedging Instrument | Cash Flow Hedges | Sell | Euro
Derivative [Line Items]
Derivative, Notional Amount	44
Designated as Hedging Instrument | Cash Flow Hedges | Sell | British Pounds
Derivative [Line Items]
Derivative, Notional Amount	54
Designated as Hedging Instrument | Cash Flow Hedges | Sell | Canadian Dollars
Derivative [Line Items]
Derivative, Notional Amount	39
Designated as Hedging Instrument | Cash Flow Hedges | Sell | Japanese Yen
Derivative [Line Items]
Derivative, Notional Amount	91
Designated as Hedging Instrument | Cash Flow Hedges | Sell | Korean Won
Derivative [Line Items]
Derivative, Notional Amount	34
Designated as Hedging Instrument | Cash Flow Hedges | Sell | China, Yuan Renminbi
Derivative [Line Items]
Derivative, Notional Amount	38
Derivatives Not Designated as Hedging Instruments | Buy
Derivative [Line Items]
Derivative, Notional Amount	17
Derivatives Not Designated as Hedging Instruments | Buy | Euro
Derivative [Line Items]
Derivative, Notional Amount	37
Derivatives Not Designated as Hedging Instruments | Buy | British Pounds
Derivative [Line Items]
Derivative, Notional Amount	16
Derivatives Not Designated as Hedging Instruments | Buy | Canadian Dollars
Derivative [Line Items]
Derivative, Notional Amount	13
Derivatives Not Designated as Hedging Instruments | Buy | Australian Dollars
Derivative [Line Items]
Derivative, Notional Amount	1
Derivatives Not Designated as Hedging Instruments | Buy | Japanese Yen
Derivative [Line Items]
Derivative, Notional Amount	14
Derivatives Not Designated as Hedging Instruments | Buy | Danish Krone
Derivative [Line Items]
Derivative, Notional Amount	25
Derivatives Not Designated as Hedging Instruments | Buy | Singapore, Dollars
Derivative [Line Items]
Derivative, Notional Amount	6
Derivatives Not Designated as Hedging Instruments | Sell | Malaysian Ringgit
Derivative [Line Items]
Derivative, Notional Amount	2
Derivatives Not Designated as Hedging Instruments | Sell | Korean Won
Derivative [Line Items]
Derivative, Notional Amount	31
Derivatives Not Designated as Hedging Instruments | Sell | Swiss Franc
Derivative [Line Items]
Derivative, Notional Amount	9
Derivatives Not Designated as Hedging Instruments | Sell | China, Yuan Renminbi
Derivative [Line Items]
Derivative, Notional Amount	25
Derivatives Not Designated as Hedging Instruments | Sell | Poland, Zlotych
Derivative [Line Items]
Derivative, Notional Amount	5
Derivatives Not Designated as Hedging Instruments | Sell | Sweden, Kronor
Derivative [Line Items]
Derivative, Notional Amount	9
Derivatives Not Designated as Hedging Instruments | Sell | Other Currency
Derivative [Line Items]
Derivative, Notional Amount	$ 14