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INCOME TAXES INCOME TAXES - Assets and liabilities and Uncertain Tax Positions (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2016 | Oct. 31, 2015 | Oct. 31, 2014
Operating Loss Carryforwards [Line Items] |  |  |
Income tax expense (benefit) | $ 82 | $ 42 | $ (3)
Interest and penalties accrued related to unrecognized tax benefits accrued and reported | 25 | 24 |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 271 |  |
Current and Long-term Income Tax Assets and Liabilities |  |  |
Current income tax assets (included within other current assets) | 83 | 104 |
Long-term income tax assets (included within other assets) | 19 | 20 |
Current income tax liabilities (included within other accrued liabilities) | (49) | (62) |
Long-term income tax liabilities (included within other long-term liabilities) | (190) | (227) |
Total | (137) | (165) |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued [Abstract] |  |  |
Balance, beginning of year | 289 | 417 | 512
Additions for tax positions related to the current year | 31 | 33 | 45
Additions for tax positions from prior years | 1 | 3 | 11
Reductions for tax positions from prior years | 27 | 156 | 141
Settlements with taxing authorities | 0 | (4) | (2)
Statute of limitations expirations | (1) | (4) | (8)
Balance, end of year | 293 | 289 | 417
Tax Interest and Penalties [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Income tax expense (benefit) | $ 2 | $ (2) | $ 10

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