DERIVATIVES- Foreign Exchange Forward Contracts (Details) $ in Millions	Apr. 30, 2020 USD ($) contracts
Foreign Exchange Forward | Derivatives Designated as Hedging Instrument | Cash Flow Hedging
Derivative
Number of foreign exchange forward contracts (in units) | contracts	255
Foreign Exchange Forward | Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member]
Derivative
Number of foreign exchange forward contracts (in units) | contracts	2
Foreign Exchange Forward | Derivatives Not Designated as Hedging Instruments
Derivative
Number of foreign exchange forward contracts (in units) | contracts	193
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging
Derivative
Derivative, Notional Amount	$ 294
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Euro
Derivative
Derivative, Notional Amount	48
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | British Pound
Derivative
Derivative, Notional Amount	39
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Canadian Dollar
Derivative
Derivative, Notional Amount	33
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Japanese Yen
Derivative
Derivative, Notional Amount	75
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Korean Won
Derivative
Derivative, Notional Amount	48
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Chinese Yuan Renminbi
Derivative
Derivative, Notional Amount	66
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Swedish Krona
Derivative
Derivative, Notional Amount	0
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member]
Derivative
Derivative, Notional Amount	55
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member] | Euro
Derivative
Derivative, Notional Amount	55
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member] | British Pound
Derivative
Derivative, Notional Amount	0
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member] | Canadian Dollar
Derivative
Derivative, Notional Amount	0
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member] | Japanese Yen
Derivative
Derivative, Notional Amount	0
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member] | Korean Won
Derivative
Derivative, Notional Amount	0
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member] | Chinese Yuan Renminbi
Derivative
Derivative, Notional Amount	0
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member] | Swedish Krona
Derivative
Derivative, Notional Amount	0
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | British Pound
Derivative
Derivative, Notional Amount	0
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Korean Won
Derivative
Derivative, Notional Amount	31
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Chinese Yuan Renminbi
Derivative
Derivative, Notional Amount	66
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Swedish Krona
Derivative
Derivative, Notional Amount	9
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Other
Derivative
Derivative, Notional Amount	12
Buy | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Singapore Dollar
Derivative
Derivative, Notional Amount	12
Buy | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Other
Derivative
Derivative, Notional Amount	3
Buy | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member] | Singapore Dollar
Derivative
Derivative, Notional Amount	0
Buy | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member] | Other
Derivative
Derivative, Notional Amount	0
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments
Derivative
Derivative, Notional Amount	23
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Euro
Derivative
Derivative, Notional Amount	95
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Canadian Dollar
Derivative
Derivative, Notional Amount	21
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Japanese Yen
Derivative
Derivative, Notional Amount	10
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Singapore Dollar
Derivative
Derivative, Notional Amount	$ 15