INCOME TAXES INCOME TAXES - Tax Examination (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Oct. 31, 2017 |
Oct. 31, 2016 |
Oct. 31, 2015 |
|
| Income Tax Examination [Line Items] | |||
| Reductions for tax positions from prior years | $ 3 | $ 27 | $ 156 |
| Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities | 52 | 0 | 4 |
| Other Tax Expense (Benefit) | 17 | $ (55) | |
| Internal Revenue Service (IRS) [Member] | |||
| Income Tax Examination [Line Items] | |||
| Reductions for tax positions from prior years | 119 | ||
| Tax liability on foreign earnings distributions | $ 99 | ||
| ITALY | |||
| Income Tax Examination [Line Items] | |||
| Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority | 7 | ||
| Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities | 14 | ||
| GERMANY | |||
| Income Tax Examination [Line Items] | |||
| Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities | $ 51 | ||