DERIVATIVES- Foreign Exchange Forward Contracts (Details) $ in Millions	Jan. 31, 2020 USD ($) contracts
Foreign Exchange Forward | Derivatives Designated as Hedging Instrument | Cash Flow Hedging
Derivative
Number of foreign exchange forward contracts (in units) | contracts	267
Foreign Exchange Forward | Derivatives Designated as Hedging Instrument | Net Investment Hedging [Member]
Derivative
Number of foreign exchange forward contracts (in units) | contracts	1
Foreign Exchange Forward | Derivatives Not Designated as Hedging Instruments
Derivative
Number of foreign exchange forward contracts (in units) | contracts	172
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging
Derivative
Derivative, Notional Amount	$ (342)
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Euro
Derivative
Derivative, Notional Amount	(63)
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | British Pound
Derivative
Derivative, Notional Amount	(43)
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Canadian Dollar
Derivative
Derivative, Notional Amount	(39)
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Japanese Yen
Derivative
Derivative, Notional Amount	(83)
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Korean Won
Derivative
Derivative, Notional Amount	(62)
Sell | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Chinese Yuan Renminbi
Derivative
Derivative, Notional Amount	(71)
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	(4)
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Japanese Yen
Derivative
Derivative, Notional Amount	(10)
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Korean Won
Derivative
Derivative, Notional Amount	(36)
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Chinese Yuan Renminbi
Derivative
Derivative, Notional Amount	(40)
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Swedish Krona
Derivative
Derivative, Notional Amount	(8)
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Other
Derivative
Derivative, Notional Amount	(9)
Buy | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Singapore Dollar
Derivative
Derivative, Notional Amount	15
Buy | Forward Contracts USD | Derivatives Designated as Hedging Instrument | Cash Flow Hedging | Other
Derivative
Derivative, Notional Amount	4
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	9
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Euro
Derivative
Derivative, Notional Amount	64
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Canadian Dollar
Derivative
Derivative, Notional Amount	26
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Net Investment Hedging [Member] | Singapore Dollar
Derivative
Derivative, Notional Amount	$ 26