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DERIVATIVES- Foreign Exchange Forward Contracts(Details) $ in Millions	Apr. 30, 2018 USD ($) contracts
Foreign Exchange Forward | Derivatives Designated as Hedging Instrument | Cash Flow Hedging
Derivative
Number of foreign exchange forward contracts (in units) | contracts	110
Foreign Exchange Forward | Derivatives Not Designated as Hedging Instruments
Derivative
Number of foreign exchange forward contracts (in units) | contracts	156
Sell | Forward Contracts USD | Cash Flow Hedging
Derivative
Total notional amount	$ 287
Sell | Forward Contracts USD | Cash Flow Hedging | Euro
Derivative
Total notional amount	67
Sell | Forward Contracts USD | Cash Flow Hedging | British Pound
Derivative
Total notional amount	48
Sell | Forward Contracts USD | Cash Flow Hedging | Canadian Dollar
Derivative
Total notional amount	41
Sell | Forward Contracts USD | Cash Flow Hedging | Japanese Yen
Derivative
Total notional amount	64
Sell | Forward Contracts USD | Cash Flow Hedging | Korean Won
Derivative
Total notional amount	42
Sell | Forward Contracts USD | Cash Flow Hedging | Chinese Yuan Renminbi
Derivative
Total notional amount	45
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | British Pound
Derivative
Total notional amount	3
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Malaysian Ringgit
Derivative
Total notional amount	1
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Polish Zloty
Derivative
Total notional amount	8
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Swedish Krona
Derivative
Total notional amount	10
Sell | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Other
Derivative
Total notional amount	7
Buy | Forward Contracts USD | Cash Flow Hedging | Australian Dollar
Derivative
Total notional amount	5
Buy | Forward Contracts USD | Cash Flow Hedging | Singapore Dollar
Derivative
Total notional amount	15
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments
Derivative
Total notional amount	137
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Euro
Derivative
Total notional amount	77
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Canadian Dollar
Derivative
Total notional amount	3
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Australian Dollar
Derivative
Total notional amount	15
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Japanese Yen
Derivative
Total notional amount	9
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Danish Krone
Derivative
Total notional amount	26
Buy | Forward Contracts USD | Derivatives Not Designated as Hedging Instruments | Swiss Franc
Derivative
Total notional amount	$ 36

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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Number of foreign currency exchange rate derivatives held by the entity at the reporting date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5579245-113959

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