DERIVATIVES, Disclosures and derivative instrument aggregated notional amounts by currency and designations (Details) (USD $)
In Millions, unless otherwise specified
Jan. 31, 2015
Sell | Forward Contracts DKK | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Total notional amount $ (19)
Sell | Cash Flow Hedging | Forward Contracts USD  
Derivative [Line Items]  
Total notional amount (148)
Sell | Cash Flow Hedging | Option Contracts  
Derivative [Line Items]  
Total notional amount (12)
Sell | Euro | Forward Contracts DKK | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Total notional amount (55)
Sell | Euro | Cash Flow Hedging | Forward Contracts USD  
Derivative [Line Items]  
Total notional amount (48)
Sell | British Pound | Forward Contracts DKK | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Total notional amount (7)
Sell | British Pound | Cash Flow Hedging | Forward Contracts USD  
Derivative [Line Items]  
Total notional amount (17)
Sell | Canadian Dollar | Forward Contracts DKK | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Total notional amount (3)
Sell | Canadian Dollar | Cash Flow Hedging | Forward Contracts USD  
Derivative [Line Items]  
Total notional amount (29)
Sell | Australian Dollars | Forward Contracts DKK | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Total notional amount (2)
Sell | Malaysian Ringgit | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Total notional amount (3)
Sell | Japanese Yen | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Total notional amount (9)
Sell | Japanese Yen | Forward Contracts DKK | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Total notional amount (4)
Sell | Japanese Yen | Cash Flow Hedging | Forward Contracts USD  
Derivative [Line Items]  
Total notional amount (49)
Sell | Japanese Yen | Cash Flow Hedging | Option Contracts  
Derivative [Line Items]  
Total notional amount (12)
Sell | Other | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Total notional amount (2)
Sell | Other | Cash Flow Hedging | Forward Contracts USD  
Derivative [Line Items]  
Total notional amount (8)
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Total notional amount (155)
Buy | Euro | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Total notional amount (149)
Buy | British Pound | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Total notional amount (1)
Buy | Australian Dollars | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Total notional amount (19)
Buy | Australian Dollars | Cash Flow Hedging | Forward Contracts USD  
Derivative [Line Items]  
Total notional amount (3)
Buy | United States of America, Dollars | Forward Contracts DKK | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Total notional amount $ (52)