{"iri":"http://fasb.org/us-gaap/2026#InvestmentCreditMember","label":"Investment Tax Credit Carryforward [Member]","definition":"Investment tax credit carryforwards arising from certain qualifying capital expenditures including, but not limited to, rehabilitation, energy, advanced coal project and gasification project.","license":"https://accountingfoundation.org/page/pageContent?pageId=/Termsofuse/Termsofuse.html","source":"gaap","source_url":"http://fasb.org/us-gaap/2026#InvestmentCreditMember"}