DERIVATIVES- Foreign Exchange Forward Contracts(Details) $ in Millions	Jul. 31, 2018 USD ($) contracts
Foreign Exchange Forward \| Derivatives Designated as Hedging Instrument \| Cash Flow Hedging
Derivative
Number of foreign exchange forward contracts (in units) \| contracts	124
Foreign Exchange Forward \| Derivatives Not Designated as Hedging Instruments
Derivative
Number of foreign exchange forward contracts (in units) \| contracts	173
Sell \| Forward Contracts USD \| Cash Flow Hedging
Derivative
Total notional amount	$ 313
Sell \| Forward Contracts USD \| Cash Flow Hedging \| Euro
Derivative
Total notional amount	57
Sell \| Forward Contracts USD \| Cash Flow Hedging \| British Pound
Derivative
Total notional amount	55
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	93
Sell \| Forward Contracts USD \| Cash Flow Hedging \| Korean Won
Derivative
Total notional amount	40
Sell \| Forward Contracts USD \| Cash Flow Hedging \| Chinese Yuan Renminbi
Derivative
Total notional amount	50
Sell \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments \| Malaysian Ringgit
Derivative
Total notional amount	3
Sell \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments \| Korean Won
Derivative
Total notional amount	21
Sell \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments \| Singapore Dollar
Derivative
Total notional amount	4
Sell \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments \| Swiss Franc
Derivative
Total notional amount	6
Sell \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments \| Polish Zloty
Derivative
Total notional amount	4
Sell \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments \| Swedish Krona
Derivative
Total notional amount	9
Sell \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments \| Other
Derivative
Total notional amount	14
Buy \| Forward Contracts USD \| Cash Flow Hedging \| Australian Dollar
Derivative
Total notional amount	6
Buy \| Forward Contracts USD \| Cash Flow Hedging \| Singapore Dollar
Derivative
Total notional amount	17
Buy \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments
Derivative
Total notional amount	163
Buy \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments \| Euro
Derivative
Total notional amount	120
Buy \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments \| British Pound
Derivative
Total notional amount	5
Buy \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments \| Canadian Dollar
Derivative
Total notional amount	14
Buy \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments \| Australian Dollar
Derivative
Total notional amount	14
Buy \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments \| Japanese Yen
Derivative
Total notional amount	40
Buy \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments \| Danish Krone
Derivative
Total notional amount	16
Buy \| Forward Contracts USD \| Derivatives Not Designated as Hedging Instruments \| Chinese Yuan Renminbi
Derivative
Total notional amount	$ 15

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

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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

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