Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]

NameDefinedBenefitPlanAssumedHealthCareCostTrendRatesAbstract
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Data typexbrli:stringItemType
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AbstractTrue

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Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]en-UShttp://www.xbrl.org/2003/role/labelhttp://www.xbrl.org/2003/role/link

Related Child Concepts

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us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
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us-gaap:DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate
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us-gaap:DefinedBenefitPlanEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesAbstract
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us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
domain-memberhttp://fasb.org/us-gaap/role/disclosure/RetirementBenefitsTmp011ScheduleOfDefinedBenefitPlansDisclosuresTable
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domain-memberhttp://fasb.org/us-gaap/role/disclosure/RetirementBenefitsTmp011ScheduleOfDefinedBenefitPlansDisclosuresTable
us-gaap:DefinedBenefitPlanEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesAbstract
domain-memberhttp://fasb.org/us-gaap/role/disclosure/RetirementBenefitsTmp011ScheduleOfDefinedBenefitPlansDisclosuresTable
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parent-childhttp://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits
us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
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us-gaap:DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate
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us-gaap:DefinedBenefitPlanDescriptionOfDirectionAndPatternOfChangeForAssumedHealthCareCostTrendRate
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us-gaap:DefinedBenefitPlanEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesAbstract
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domain-memberhttp://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable
us-gaap:DefinedBenefitPlanDescriptionOfDirectionAndPatternOfChangeForAssumedHealthCareCostTrendRate
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable
us-gaap:DefinedBenefitPlanEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesAbstract
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable