{"iri":"http://fasb.org/us-gaap/2026#CoalIndustryRetireeHealthBenefitActOf1992EstimatedAmountOfTotalObligation","label":"Coal Industry Retiree Health Benefit Act of 1992, Estimated Amount of Obligation","definition":"Amount of obligation for medical and death benefits to be provided under Coal Industry Retiree Health Benefit Act of 1992.","license":"https://accountingfoundation.org/page/pageContent?pageId=/Termsofuse/Termsofuse.html","source":"gaap","source_url":"http://fasb.org/us-gaap/2026#CoalIndustryRetireeHealthBenefitActOf1992EstimatedAmountOfTotalObligation"}