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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
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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

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