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SEGMENT INFORMATION (Segment Assets to Total Assets Recon) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Segment Reporting [Abstract]
Total reportable segments' assets	$ 5,166	$ 4,565
Capital expenditures	117	120	$ 132
Cash and cash equivalents	1,756	1,598
Long-term investments	61	46
Long-term deferred tax assets	740	755
Finite-Lived Intangible Assets, Accumulated Amortization	(972)	(752)
Other	467	411
Total assets	$ 7,218	$ 6,623

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Amounts of assets held by an entity, and used in a reconciliation of assets by segment to the entity consolidated balance sheet.

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