Table: Schedule of Environmental Exit Cost [Table]

Line Label Object Class Period Type Balance Name
1 Schedule of Environmental Exit Cost [Table] [Table]

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 us-gaap:ScheduleOfEnvironmentalExitCostTable
2 Legal Entity [Axis] [Axis]

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 dei:LegalEntityAxis
3 Consolidated Entity [Domain] [Domain]

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 dei:EntityDomain
4 Environmental Exit Cost Property [Axis] [Axis]

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 us-gaap:EnvironmentalExitCostByPropertyAxis
5 Environmental Exit Costs, Name of Property [Domain] [Domain]

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 us-gaap:EnvironmentalExitCostsNameOfPropertyDomain
6 Environmental Exit Cost [Line Items] [Line Items]

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 us-gaap:EnvironmentalExitCostLineItems
7 Environmental Exit Costs by Cost [Table Text Block] [Concept] Text Block (HTML) For Period

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 us-gaap:EnvironmentalExitCostsByCostTextBlock
8 Environmental Exit Cost [Hierarchy] [Abstract]

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 added:EnvironmentalExitCostHierarchy
9 Environmental Exit Costs, Nature of Costs [Concept] Text/String For Period

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 us-gaap:EnvironmentalExitCostsNatureOfCosts
10 Environmental Exit Costs, Anticipated Cost [Concept] Monetary For Period Debit us-gaap:EnvironmentalExitCostsAnticipatedCost
11 Environmental Exit Costs, Costs Accrued to Date [Concept] Monetary As Of Credit us-gaap:EnvironmentalExitCostsCostsAccruedToDate
12 Environmental Exit Costs, Reasonably Possible Additional Losses [Concept] Text/String For Period

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 us-gaap:EnvironmentalExitCostsReasonablyPossibleAdditionalLosses
13 Environmental Exit Costs, Reasonably Possible Additional Losses, Best Estimate [Concept] Monetary For Period Debit us-gaap:EnvironmentalExitCostsReasonablyPossibleAdditionalLossesBestEstimate
14 Environmental Exit Costs, Reasonably Possible Additional Losses, Low Estimate [Concept] Monetary For Period Debit us-gaap:EnvironmentalExitCostsReasonablyPossibleAdditionalLossesLowEstimate
15 Environmental Exit Costs, Reasonably Possible Additional Losses, High Estimate [Concept] Monetary For Period Debit us-gaap:EnvironmentalExitCostsReasonablyPossibleAdditionalLossesHighEstimate
16 Environmental Exit Costs, Impairment Assessment [Concept] Text/String For Period

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 us-gaap:EnvironmentalExitCostsImpairmentAssessment
17 Environmental Exit Costs, Assets Previously Disposed, Liability for Remediation [Concept] Monetary As Of Credit us-gaap:EnvironmentalExitCostsAssetsPreviouslyDisposedLiabilityForRemediation