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NET INCOME (LOSS) PER SHARE (Details) - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2020 | Oct. 31, 2019 | Oct. 31, 2018
Numerator: |  |  |
Net income | $ 719 | $ 1,071 | $ 316
Denominator: |  |  |
Basic weighted average shares | 309 | 314 | 321
Potential common shares - stock options and other employeee stock plans | 3 | 4 | 4
Diluted weighted average shares | 312 | 318 | 325
Share-based awards issued |  |  |
Total number of share-based awards issued (in shares) | 2 | 2 | 2

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