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NET INCOME (LOSS) PER SHARE (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Numerator:
Net income	$ 1,210	$ 719	$ 1,071
Denominator:
Basic weighted average shares	304.0	309.0	314.0
Potential common shares - stock options and other employeee stock plans	3.0	3.0	4.0
Diluted weighted average shares	307.0	312.0	318.0
Share-based awards issued
Total number of share-based awards issued (in shares)	2.1	2.4	1.8

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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