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SEGMENT INFORMATION - Reconciliation of Reportable Results (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2021	Jul. 31, 2020
Reconciliation of Operating Profit from Segments to Consolidated
Total reportable segment's income from operations	$ 412	$ 299	$ 1,172	$ 887
Transformational initiatives	(12)	(13)	(32)	(41)
Amortization of intangible assets related to business combinations	(53)	(45)	(143)	(139)
Acquisition and integration costs	(10)	(9)	(32)	(33)
Asset Impairment	0	0	(2)	(99)
Business exit and divestiture costs	0	0	(4)	0
Other	(1)	(2)	(7)	(28)
Interest income	0	1	1	7
Interest expense	(21)	(19)	(60)	(59)
Other income (expense), net	12	7	19	64
Income before taxes, as reported	$ 327	$ 219	$ 912	$ 559

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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.

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