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NET INCOME PER SHARE NET INCOME PER SHARE - COMPUTATIONS (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2019	Apr. 30, 2018
Numerator:
Net income	$ 153	$ 64	$ 267	$ 158
Denominator:
Basic weighted-average shares	188	188	188	187
Potential common shares— stock options and other employee stock plans	3	2	3	3
Diluted weighted-average shares	191	190	191	190

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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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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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