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Note 1 - Segment Information (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of operating segments [line items] |  |  |
Profit (loss) before tax | $ 3,165,937 | $ 1,242,766 | $ (619,267)
Contract liabilities | 242,900 | 92,400 | 48,700
Revenues | $ 11,762,526 | $ 6,521,207 | $ 5,146,734
Tenaris [member] | Government customers [member] |  |  |
Disclosure of operating segments [line items] |  |  |
Percentage of entity's revenue | 22.00% | 23.00% | 24.00%
USA |  |  |
Disclosure of operating segments [line items] |  |  |
Percentage of entity's revenue | 42.00% |  |
Argentina |  |  |
Disclosure of operating segments [line items] |  |  |
Percentage of entity's revenue | 13.00% |  |
Mexico |  |  |
Disclosure of operating segments [line items] |  |  |
Percentage of entity's revenue | 10.00% |  |
Elimination of intersegment amounts [member] |  |  |
Disclosure of operating segments [line items] |  |  |
Profit (loss) before tax | $ 77,900 | $ 45,600 | $ 16,900

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