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SHARE-BASED COMPENSATION Allocated Share-based compensation expense (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Share-based compensation disclosures
Share-based compensation expense	$ 72	$ 71	$ 61
Cost of Product and Services
Share-based compensation disclosures
Share-based compensation expense	18	16	15
Research and Development
Share-based compensation disclosures
Share-based compensation expense	7	7	6
Selling, General and Administrative
Share-based compensation disclosures
Share-based compensation expense	47	48	$ 40
Inventories
Share-based Payment Arrangement, Expensed and Capitalized, Amount
Share-based compensation expense	$ 0	$ 0

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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-Publisher FASB
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