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INCOME TAXES (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2017 | Jan. 31, 2017 | Jul. 31, 2016 | Jul. 31, 2017 | Jul. 31, 2016
Income Tax Disclosure |  |  |  |  |
Provision for income taxes | $ 18 |  | $ 10 | $ 70 | $ 57
Effective income tax rate | 9.30% |  | 7.50% | 12.10% | 14.50%
Net Discrete Tax Expense (Benefit) | $ (60) |  | $ (6) | $ (63) | $ (9)
Deferred tax liability for unremitted foreign earnings [Member] |  |  |  |  |
Income Tax Disclosure |  |  |  |  |
Discrete Tax Expense (Benefit) |  |  |  |  | $ (11)
Tax years 2012 and 2013 [Member] |  |  |  |  |
Income Tax Disclosure |  |  |  |  |
Unrecognized tax benefits reduction due to expiration of statute of limitations | 40 |  |  |  |
ITALY |  |  |  |  |
Income Tax Disclosure |  |  |  |  |
Incremental tax expense due to audit |  | $ 7 |  |  |
Unrecognized tax benefits decrease due to settlement with taxing authorities |  | $ 14 |  |  |
GERMANY |  |  |  |  |
Income Tax Disclosure |  |  |  |  |
Discrete Tax Expense (Benefit) |  |  |  | $ (51) |
Unrecognized tax benefits decrease due to settlement with taxing authorities | $ 51 |  |  |  |

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