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v3.25.1

Note 1 - Segment information (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of operating segments [line items] |  |  |
Profit (loss) before tax | $ 2,556,453 | $ 4,632,789 | $ 3,165,937
Percentage of entity's revenue | 10.00% | 10.00% | 10.00%
Non-current assets attributable to the Company’s country of incorporation | $ 11,213,945 | $ 10,577,436 |
Revenues from services performed | 12,523,934 | 14,868,860 | $ 11,762,526
Contract liabilities | 206,200 | 263,700 |
Contract assets | 50,800 | 47,500 |
Tubes [member] |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues from services performed | 11,907,000 | 14,185,000 | 11,133,000
Related parties [member] |  |  |
Disclosure of operating segments [line items] |  |  |
Contract assets | 14,200 |  |
Services to third parties [member] | Tubes [member] |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues from services performed | $ 483,500 | $ 164,800 | $ 108,300
Tenaris [member] | Government customers [member] |  |  |
Disclosure of operating segments [line items] |  |  |
Percentage of entity's revenue | 30.00% | 26.00% | 22.00%
LUXEMBOURG |  |  |
Disclosure of operating segments [line items] |  |  |
Non-current assets attributable to the Company’s country of incorporation | $ 15,600 | $ 10,700 | $ 2,900
USA |  |  |
Disclosure of operating segments [line items] |  |  |
Percentage of entity's revenue | 32.00% |  |
Argentina |  |  |
Disclosure of operating segments [line items] |  |  |
Percentage of entity's revenue | 12.00% |  |
Saudi Arabia | Less than 10 Percent [Member] |  |  |
Disclosure of operating segments [line items] |  |  |
Percentage of entity's revenue | 10.00% |  |
Canada | Less than 10 Percent [Member] |  |  |
Disclosure of operating segments [line items] |  |  |
Percentage of entity's revenue | 10.00% |  |
Mexico | Less than 10 Percent [Member] |  |  |
Disclosure of operating segments [line items] |  |  |
Percentage of entity's revenue | 10.00% |  |
Brazil | Less than 10 Percent [Member] |  |  |
Disclosure of operating segments [line items] |  |  |
Percentage of entity's revenue | 10.00% |  |

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