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OVERVIEW AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Acquisition of Anite) (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 13, 2015 | Oct. 31, 2015 | Oct. 31, 2015
Business Acquisition [Line Items] |  |  |
Acquisition effective date |  | Aug. 13, 2015 |
Anite [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition effective date | Aug. 13, 2015 | Aug. 13, 2015 |
Payments to acquire business, net of cash acquired | $ 558 |  | $ 558
Cash acquired from acquisition | $ 43 |  | $ 43

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