Component: Coal Industry Retiree Health Benefit Act of 1992 [Hierarchy]

Line Label Object Class Period Type Balance Name
1 Coal Industry Retiree Health Benefit Act of 1992 [Hierarchy]

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 us-gaap:CoalIndustryRetireeHealthBenefitActOf1992Abstract
2 Coal Industry Retiree Health Benefit Act of 1992, Impact of Act [Concept] Text/String For Period us-gaap:CoalIndustryRetireeHealthBenefitActOf1992ImpactOfAct
3 Coal Industry Retiree Health Benefit Act of 1992, Estimated Amount of Total Obligation [Concept] Monetary As Of Credit us-gaap:CoalIndustryRetireeHealthBenefitActOf1992EstimatedAmountOfTotalObligation
4 Coal Industry Retiree Health Benefit Act of 1992, Method of Accounting Adopted [Concept] Text/String For Period

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 us-gaap:CoalIndustryRetireeHealthBenefitActOf1992MethodOfAccountingAdopted