GOODWILL AND OTHER INTANGIBLE ASSETS Amortization Expense and Future Amortization Expense (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Oct. 31, 2017 |
Oct. 31, 2016 |
Oct. 31, 2015 |
|
| Amortization Expense, Maturity Schedule [Abstract] | |||
| Amortization of intangible assets during the period | $ 120 | $ 154 | $ 158 |
| Future amortization expense for 2018 | 94 | ||
| Future amortization expense for 2019 | 69 | ||
| Future amortization expense for 2020 | 57 | ||
| Future amortization expense for 2021 | 43 | ||
| Future amortization expense for 2022 | 32 | ||
| Future amortization thereafter | $ 42 | ||