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INVESTMENTS IN NON-CONSOLIDATED COMPANIES (Value of investment in Usinas) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of unconsolidated structured entities [line items] |  |  |
Investments in non-consolidated companies, beginning balance | $ 751,475 | $ 471,306 |
Share of results | 37,114 | 400,732 |
Other comprehensive income | 48,475 | (38,441) |
Dividends | (15,493) | (82,122) | $ (6,299)
Investments in non-consolidated companies, ending balance | 821,571 | 751,475 | 471,306
Usinas Siderurgicas de Minas Gerais S.A. - USIMINAS |  |  |
Disclosure of unconsolidated structured entities [line items] |  |  |
Investments in non-consolidated companies, beginning balance | 681,711 | 422,948 |
Share of results | 130,696 | 379,067 |
Other comprehensive income | 48,145 | (38,680) |
Dividends | (14,487) | (81,624) |
Impairment charge (Note 3 (f)) | (120,360) | 0 |
Investments in non-consolidated companies, ending balance | $ 725,705 | $ 681,711 | $ 422,948

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