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SEGMENT INFORMATION - Reconciliation of Reportable Results (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2020 | Jul. 31, 2019 | Jul. 31, 2020 | Jul. 31, 2019
Reconciliation of Operating Profit from Segments to Consolidated |  |  |  |
Total reportable segment's income from operations | $ 299 | $ 290 | $ 887 | $ 858
Transformational initiatives | (13) | (11) | (41) | (25)
Amortization of intangible assets related to business combinations | (45) | (25) | (139) | (79)
Acquisition and integration costs | (9) | (12) | (33) | (32)
Asset Impairment Charges | 0 | 0 | (99) | 0
Acceleration of sharebased compensation expense related to workforce reduction | (1) | 0 | (1) | 0
NASD site costs | 0 | (6) | 0 | (12)
Special compliance costs | 0 | (1) | 0 | (2)
Other | (1) | (10) | (27) | (17)
Interest income | 1 | 10 | 7 | 30
Interest expense | (19) | (18) | (59) | (53)
Other income (expense), net | 7 | 5 | 64 | 20
Income before taxes, as reported | $ 219 | $ 222 | $ 559 | $ 688

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- Definition Amount of an item in the reconciliation of total profit or loss from reportable segments, to the entity's consolidated income before income taxes, extraordinary items, discontinued operations. + References No definition available. + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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