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STOCKHOLDERS' EQUITY (Stock Repurchase Program) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Oct. 31, 2020 | Oct. 31, 2019 | Oct. 31, 2018 | May 29, 2019
Equity [Abstract] |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  | $ 350 | $ 500
Treasury Stock, Shares, Acquired | 4,274,366 | 2,093,570 | 2,075,460 |
Treasury Stock, Value, Acquired, Cost Method | $ (410) | $ (160) | $ (120) |

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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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