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ACQUISITION OF ANITE (Narrative) (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 13, 2015 | Oct. 31, 2015 | Oct. 31, 2015 | Oct. 31, 2015
Business Acquisition [Line Items] |  |  |  |
Acquisition effective date |  |  | Aug. 13, 2015 |
Derivative, currency bought |  |  | British Pound |
Derivative liability, notional amount |  | $ 608 | $ 608 | $ 608
Realized loss on foreign currency derivatives |  |  | $ 2 |
Anite [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition effective date | Aug. 13, 2015 |  | Aug. 13, 2015 |
Revenue of acquiree since acquisition date |  | 25 |  |
Earnings or (loss) of acquiree since acquisition date |  | (14) |  |
Payments to acquire business, net of cash acquired | $ 558 |  |  | 558
Cash acquired from acquisition | $ 43 |  |  | 43
Derivative, currency bought | British Pound |  |  |
Derivative liability, notional amount | $ 608 |  |  |
Realized loss on foreign currency derivatives |  |  |  | 2
Deferred tax liability for intangible assets |  | $ 47 | $ 47 | 47
Estimated cost to complete in process research and development | $ 1 |  |  |
Business combination, separately recognized transactions, additional disclosures, acquisition cost expensed |  |  |  | $ 14
Anite [Member] | In Process Research and Development [Member] | Minimum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Discount rate | 11.00% |  |  |
Anite [Member] | In Process Research and Development [Member] | Maximum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Discount rate | 11.50% |  |  |

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