{"iri":"http://fasb.org/us-gaap/2026#DefinedBenefitPlanDerivativeMember","label":"Defined Benefit Plan, Derivative [Member]","definition":"Financial instrument or other contract with one or more underlyings, notional amount or payment provision or both; can be settled net by means outside contract or delivery of asset; and with minimal or no initial net investment, in which defined benefit plan asset is invested.","license":"https://accountingfoundation.org/page/pageContent?pageId=/Termsofuse/Termsofuse.html","source":"gaap","source_url":"http://fasb.org/us-gaap/2026#DefinedBenefitPlanDerivativeMember"}