{"cik":100790,"taxonomy":"us-gaap","tag":"ContractWithCustomerLiabilityCurrent","label":"Contract with Customer, Liability, Current","description":"Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.","entityName":"Union Carbide Corporation","units":{"USD":[{"end":"2025-12-31","val":2000000,"accn":"0000029915-26-000031","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-24"},{"end":"2025-12-31","val":2000000,"accn":"0000029915-26-000064","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-07-24","frame":"CY2025Q4I"},{"end":"2026-03-31","val":2000000,"accn":"0000029915-26-000031","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-24","frame":"CY2026Q1I"},{"end":"2026-06-30","val":2000000,"accn":"0000029915-26-000064","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-07-24","frame":"CY2026Q2I"}]}}