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STOCKHOLDERS' EQUITY - Changes in accumulated other comprehensive income (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Nov. 01, 2018 | Oct. 31, 2019 | Oct. 31, 2018 | Oct. 31, 2017
Beginning Balance | $ (408) | $ (408) | $ (346) |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | (7) |  |  |
Other Comprehensive Income (Loss), before Reclassifications |  | (163) | (93) |
Amounts Reclassified out of Accumulated Other Comprehensive Income |  | 23 | 35 |
Tax (expense) benefit |  | 41 | (4) |
Other Comprehensive Income (Loss) |  | (99) | (62) | $ 157
Ending Balance | (415) | (514) | (408) | (346)
Foreign Currency Translation |  |  |  |
Beginning Balance | (214) | (214) | (156) |
Other Comprehensive Income (Loss), before Reclassifications |  | 0 | (51) |
Amounts Reclassified Amounts Reclassified out of Accumulated Other Comprehensive Income |  | 0 | 0 |
Tax (expense) benefit |  | 10 | (7) | (3)
Other Comprehensive Income (Loss) |  | 10 | (58) |
Ending Balance | (214) | (204) | (214) | (156)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Reclassification Adjustment, before Tax [Abstract] |  |  |  |
Beginning Balance | 134 | 134 | 140 |
Other Comprehensive (Income) Loss, before Reclassifications |  | 0 | 0 |
Amounts Reclassified out of Accumulated Other Comprehensive Income |  | (8) | (8) |
Tax (expense) benefit |  | 2 | 2 | 3
Other Comprehensive (Income) Loss |  | (6) | (6) | (6)
Ending Balance | 137 | 131 | 134 | 140
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax [Abstract] |  |  |  |
Beginning Balance | (335) | (335) | (328) |
Other Comprehensive Income (Loss), before Reclassifications |  | (157) | (49) |
Amounts reclassified out of accumulated other comprehensive income |  | 39 | 39 |
Tax (expense) benefit |  | 25 | 3 |
Other comprehensive income (loss) |  | (93) | (7) | 123
Ending Balance | (344) | (437) | (335) | (328)
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax [Abstract] |  |  |  |
Beginning Balance | 7 | 7 | (2) |
Other Comprehensive Income (Loss), before Reclassifications |  | (6) | 7 |
Amounts Reclassified out of Accumulated Other Comprehensive Income |  | (8) | 4 |
Tax (expense) benefit |  | 4 | (2) |
Other Comprehensive Income (Loss) |  | (10) | 9 |
Ending Balance | 6 | $ (4) | $ 7 | $ (2)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | 0 |  |  |
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | 3 |  |  |
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | (9) |  |  |
AOCI, Derivative Qualifying as Hedge, Excluded Component, Parent [Member] |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | $ (1) |  |  |

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