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SEGMENT INFORMATION Reconciliation of Reportable Results (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2016 | Jul. 31, 2015 | Jul. 31, 2016 | Jul. 31, 2015
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] |  |  |  |
Total reportable segments' income from operations | $ 140 | $ 124 | $ 404 | $ 402
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost | (10) | (7) | (39) | (49)
Restructuring Charges | 0 | (10) | 0 | (10)
Business Combination Acquisition Related Fair Value Adjustments | (3) | 0 | (12) | 0
Amortization of Intangibles | (12) | (2) | (34) | (6)
Acquisition and integration costs | (4) | (2) | (11) | (2)
Separation and related costs | (6) | (3) | (16) | (15)
Segment Reporting Other reconciling items for operating profit loss segment to consolidated | 1 | 0 | 7 | 0
Investment Income, Nonoperating | 1 | 0 | 2 | 1
Interest expense | (11) | (12) | (35) | (35)
Other Nonoperating Gains (Losses) | 1 | (1) | 2 | 1
Income before taxes, as reported | $ 97 | $ 87 | $ 268 | $ 287

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460 + Details
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- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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