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CONTINGENCIES, COMMITMENTS AND RESTRICTIONS ON THE DISTRIBUTION OF PROFITS (Fishermen association claims, Tax assessment relating to the use of certain ICMS tax credits) (Details) - Thyssenkrupp Slab International B.V. & CSA Siderúrgica do Atlântico Ltda. - USD ($)
Dec. 31, 2023
Dec. 31, 2022
Sep. 07, 2017
Other environment related provision      
Disclosure of contingent liabilities [line items]      
Other provisions $ 0 $ 4,500,000 $ 24,500,000
Legal proceedings contingent liability      
Disclosure of contingent liabilities [line items]      
Other provisions $ 37,500,000 $ 34,800,000 $ 57,700,000