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SEGMENT INFORMATION - Reconciliation of Reportable Results (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2019 | Jul. 31, 2018 | Jul. 31, 2019 | Jul. 31, 2018
Reconciliation of Operating Profit from Segments to Consolidated |  |  |  |
Total reportable segment's income from operations | $ 290 | $ 263 | $ 858 | $ 785
Transformational initiatives | (11) | (5) | (25) | (14)
Amortization of intangible assets related to business combinations | (25) | (26) | (79) | (76)
Acquisition and integration costs | (12) | (7) | (32) | (14)
Business exit and divestiture costs | 0 | (1) | 0 | (9)
NASD site costs | (6) | (2) | (12) | (6)
Special compliance costs | (1) | (1) | (2) | (3)
Other | (10) | 0 | (17) | (3)
Interest income | 10 | 9 | 30 | 28
Interest expense | (18) | (18) | (53) | (57)
Other income (expense), net | 5 | 30 | 20 | 71
Income before taxes, as reported | $ 222 | $ 242 | $ 688 | $ 702

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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 The net result for the period of deducting segment operating expenses from segment operating revenues. + References No definition available. + Details
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- Definition The charge against earnings in the period, comprised of costs associated with restructuring activities not otherwise specified in the taxonomy that are not part of a specific plan as required by GAAP. + References No definition available. + Details
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- Definition The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + 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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- Definition Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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