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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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Amortization of intangibles and other nonoperating income and expense, which does not qualify for separate disclosure on the income statement under materiality guidelines.

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