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NORTHERN CALIFORNIA WILDFIRES IMPACT (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2020 | Oct. 31, 2019 | Oct. 31, 2018
Unusual or Infrequent Item, or Both [Line Items] |  |  |
Insurance proceeds received for damage to property, plant and equipment | $ 32 | $ 0 | $ 0
Northern California Wildfires [Member] |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |
Insurance proceeds received for damage to property, plant and equipment | 32 |  |
Unusual or Infrequent Item, or Both, Insurance Proceeds | $ 37 | 22 | 68
Northern California Wildfires [Member] | Other operating expense (income), net |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |
Operating Expenses |  | $ 3 | $ 7

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