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Note 28 - Foreign exchange control measures in Argentina (Details Textual) $ in Thousands, $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Aug. 19, 2022 ARS ($) | Aug. 19, 2022 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Argentine sovereign bonds [member] |  |  |  |
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items] |  |  |  |
Loss arising from dividend paid in kind |  | $ 29,800 |  |
Argentina |  |  |  |
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items] |  |  |  |
Percentage of entity's revenue |  |  | 13.00% |
Argentina | Argentine sovereign bonds [member] |  |  |  |
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items] |  |  |  |
Distribution of dividend in kind |  | 54,400 |  |
Argentina | Subsidiaries [member] |  |  |  |
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items] |  |  |  |
Percentage of entity's net equity |  |  | 10.60% |
Percentage of entity's revenue |  |  | 20.00% |
Argentina | SIDERCA S.A.I.C. and subsidiaries [member] | Argentine sovereign bonds [member] |  |  |  |
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items] |  |  |  |
Distribution of dividend in kind | $ 7,394 |  |  |
Argentine Peso / U.S. dollar foreign exchange risk [member] |  |  |  |
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items] |  |  |  |
Currency exposure / functional currency |  |  | $ 126,739 | $ 95,073
Argentine Peso / U.S. dollar foreign exchange risk [member] | Argentina |  |  |  |
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items] |  |  |  |
Currency exposure / functional currency |  |  | $ 127,000 |
International market [member] | Argentine sovereign bonds [member] |  |  |  |
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items] |  |  |  |
Distribution of dividend in kind |  | $ 24,600 |  |

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