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NORTHERN CALIFORNIA WILDFIRES IMPACT (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended | 18 Months Ended
--- | --- | --- | --- | ---
Apr. 30, 2019 | Apr. 30, 2018 | Apr. 30, 2019 | Apr. 30, 2018 | Oct. 31, 2018 | Apr. 30, 2019
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Loss from Catastrophes | $ 0 | $ 0 | $ 0 | $ 7 |  |
Insurance Recoveries |  | $ 32 |  | 63 |  |
Northern California Wildfires [Member] |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Insurance Recoveries |  |  | 22 | 40 | $ 68 | $ 90
Property, Plant and Equipment [Member] | Northern California Wildfires [Member] |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Property, Plant and Equipment purchases |  |  | 7 | $ 9 | $ 27 | 34
Uninsured Risk [Member] |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Loss from Catastrophes |  |  | 10 |  |  |
Minimum | Northern California Wildfires [Member] |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Insurance Settlements Receivable, Current | 30 |  | 30 |  |  | 30
Maximum | Northern California Wildfires [Member] |  |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |  |
Insurance Settlements Receivable, Current | $ 40 |  | $ 40 |  |  | $ 40

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- Definition The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
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- Definition Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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