{"cik":31462,"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":"ECOLAB INC.","units":{"USD":[{"end":"2025-12-31","val":173000000,"accn":"0001628280-26-053886","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-06","frame":"CY2025Q4I"},{"end":"2026-06-30","val":204900000,"accn":"0001628280-26-053886","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-06","frame":"CY2026Q2I"}]}}