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Note 32 - Principal Subsidiaries (Details Textual) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Tenaris Supply Chain S.A. [member] |  |
Disclosure of subsidiaries [line items] |  |
Proportion of ownership interest in subsidiary | 98.40% |
Tubular Technical Services and Pipe Coaters [member] |  |
Disclosure of subsidiaries [line items] |  |
Proportion of ownership interest in subsidiary | 40.00% |
Amaja Tubular Services Limited [member] |  |
Disclosure of subsidiaries [line items] |  |
Proportion of ownership interest in subsidiary | 49.00% |
Tubular Services Angola Lda. [member] |  |
Disclosure of subsidiaries [line items] |  |
Proportion of ownership interest in subsidiary |  | 49.00%
Tenaris Baogang Baotou Steel Pipes Ltd [member] |  |
Disclosure of subsidiaries [line items] |  |
Proportion of ownership interest in subsidiary | 60.00% |
NKKTUBES [member] |  |
Disclosure of subsidiaries [line items] |  |
Proportion of ownership interest in subsidiary | 51.00% |

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2022-03-24 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2022-03-24 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph 19B -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2022-03-24 + Details
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- Details
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