{"iri":"http://fasb.org/us-gaap/2026#ChangeInAssumptionsForPensionPlansMember","label":"Change in Assumptions for Defined Benefit Plans [Member]","definition":"Revision in assumptions used in calculating benefit obligation and cost associated with defined benefit plan. Includes, but is not limited to, change in mortality assumption and discount rate.","license":"https://accountingfoundation.org/page/pageContent?pageId=/Termsofuse/Termsofuse.html","source":"gaap","source_url":"http://fasb.org/us-gaap/2026#ChangeInAssumptionsForPensionPlansMember"}