000 - Document - Document And Entity Information link:presentationLink link:definitionLink link:calculationLink 001 - Statement - CONSOLIDATED INCOME STATEMENTS link:presentationLink link:definitionLink link:calculationLink 0011 - Statement - CONSOLIDATED INCOME STATEMENTS (Calc 2) link:presentationLink link:definitionLink link:calculationLink 0012 - Statement - CONSOLIDATED INCOME STATEMENTS (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 002 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:presentationLink link:definitionLink link:calculationLink 0021 - Statement - CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (CALC 2) link:presentationLink link:definitionLink link:calculationLink 003 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL POSITION link:presentationLink link:definitionLink link:calculationLink 004 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY link:presentationLink link:definitionLink link:calculationLink 005 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 006 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:definitionLink link:calculationLink 007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (CALC 2) link:presentationLink link:definitionLink link:calculationLink 008 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 1010 - Disclosure - I. GENERAL INFORMATION link:presentationLink link:definitionLink link:calculationLink 1020 - Disclosure - II. ACCOUNTING POLICIES link:presentationLink link:definitionLink link:calculationLink 1030 - Disclosure - III. FINANCIAL RISK MANAGEMENT link:presentationLink link:definitionLink link:calculationLink 1040 - Disclosure - Note 1 - Segment information link:presentationLink link:definitionLink link:calculationLink 1050 - Disclosure - Note 2 - Cost of sales link:presentationLink link:definitionLink link:calculationLink 1060 - Disclosure - Note 3 - Selling, general and administrative expenses link:presentationLink link:definitionLink link:calculationLink 1070 - Disclosure - Note 4 - Labor costs (included in Cost of sales and in Selling, general and administrative expenses) link:presentationLink link:definitionLink link:calculationLink 1080 - Disclosure - Note 5 - Impairment charge link:presentationLink link:definitionLink link:calculationLink 1090 - Disclosure - Note 6 - Other operating income and expenses link:presentationLink link:definitionLink link:calculationLink 1100 - Disclosure - Note 7 - Financial results link:presentationLink link:definitionLink link:calculationLink 1105 - Disclosure - Note 8 - Equity in earnings of non-consolidated companies link:presentationLink link:definitionLink link:calculationLink 1110 - Disclosure - Note 9 - Income tax link:presentationLink link:definitionLink link:calculationLink 1120 - Disclosure - Note 10 - Dividends distribution link:presentationLink link:definitionLink link:calculationLink 1130 - Disclosure - Note 11 - Property, plant and equipment, net link:presentationLink link:definitionLink link:calculationLink 1140 - Disclosure - Note 12 - Intangible assets, net link:presentationLink link:definitionLink link:calculationLink 1150 - Disclosure - Note 13 - Right-of-use assets, net and lease liabilities link:presentationLink link:definitionLink link:calculationLink 1160 - Disclosure - Note 14 - Investments in non-consolidated companies link:presentationLink link:definitionLink link:calculationLink 1170 - Disclosure - Note 15 - Receivables non-current link:presentationLink link:definitionLink link:calculationLink 1180 - Disclosure - Note 16 - Inventories, net link:presentationLink link:definitionLink link:calculationLink 1190 - Disclosure - Note 17 - Receivables and prepayments, net link:presentationLink link:definitionLink link:calculationLink 1200 - Disclosure - Note 18 - Current tax assets and liabilities link:presentationLink link:definitionLink link:calculationLink 1210 - Disclosure - Note 19 - Trade receivables, net link:presentationLink link:definitionLink link:calculationLink 1220 - Disclosure - Note 20 - Cash and cash equivalents and other investments link:presentationLink link:definitionLink link:calculationLink 1230 - Disclosure - Note 21 - Borrowings link:presentationLink link:definitionLink link:calculationLink 1240 - Disclosure - Note 22 - Deferred tax assets and liabilities link:presentationLink link:definitionLink link:calculationLink 1250 - Disclosure - Note 23 - Other liabilities link:presentationLink link:definitionLink link:calculationLink 1260 - Disclosure - Note 24 - Non-current provisions link:presentationLink link:definitionLink link:calculationLink 1270 - Disclosure - Note 25 - Current allowances and provisions link:presentationLink link:definitionLink link:calculationLink 1280 - Disclosure - Note 26 - Derivative financial instruments link:presentationLink link:definitionLink link:calculationLink 1290 - Disclosure - Note 27 - Contingencies, commitments and restrictions on the distribution of profits link:presentationLink link:definitionLink link:calculationLink 1295 - Disclosure - Note28 - Developments concerning cancelled title deeds in Saudi Steel Pipe Company link:presentationLink link:definitionLink link:calculationLink 1300 - Disclosure - Note 29 - Foreign exchange control measures in Argentina link:presentationLink link:definitionLink link:calculationLink 1310 - Disclosure - Note 30 - Cash flow disclosures link:presentationLink link:definitionLink link:calculationLink 1320 - Disclosure - Note 31 - Related party transactions link:presentationLink link:definitionLink link:calculationLink 1340 - Disclosure - Note 32 - Independent auditor fees link:presentationLink link:definitionLink link:calculationLink 1350 - Disclosure - Note 33 - Principal subsidiaries link:presentationLink link:definitionLink link:calculationLink 1360 - Disclosure - Note 34 - Business combinations link:presentationLink link:definitionLink link:calculationLink 1370 - Disclosure - Note 35 - Nationalization of Venezuelan subsidiaries link:presentationLink link:definitionLink link:calculationLink 1380 - Disclosure - Note 35 - Other relevant information link:presentationLink link:definitionLink link:calculationLink 1391 - Disclosure - Note 36-Termination of NKKTubes joint venture link:presentationLink link:definitionLink link:calculationLink 1395 - Disclosure - Note 35 - Share Buyback Program link:presentationLink link:definitionLink link:calculationLink 1440 - Disclosure - Note 36 - Climate change link:presentationLink link:definitionLink link:calculationLink 14401 - Disclosure - Note 37 - Tariffs on steel and other imports in the United States and Canada link:presentationLink link:definitionLink link:calculationLink 1460 - Disclosure - Note 38 - Events after the reporting period link:presentationLink link:definitionLink link:calculationLink 1630 - Disclosure - Delisting of Tenaris's Shares from the Buenos Aires Stock Exchange link:presentationLink link:definitionLink link:calculationLink 1650 - Disclosure - Discontinued Operations link:presentationLink link:definitionLink link:calculationLink 995440 - Disclosure - Recovery of Erroneously Awarded Compensation link:presentationLink link:definitionLink link:calculationLink 9966602 - Disclosure - II. ACCOUNTING POLICIES (Policies) link:presentationLink link:definitionLink link:calculationLink 99666302 - Disclosure - II. ACCOUNTING POLICIES (Tables) link:presentationLink link:definitionLink link:calculationLink 99666303 - Disclosure - III. FINANCIAL RISK MANAGEMENT (Tables) link:presentationLink link:definitionLink link:calculationLink 996670301 - Disclosure - Note 1 - Segment information (Tables) link:presentationLink link:definitionLink link:calculationLink 996670302 - Disclosure - Note 2 - Cost of sales (Tables) link:presentationLink link:definitionLink link:calculationLink 996670303 - Disclosure - Note 3 - Selling, general and administrative expenses (Tables) link:presentationLink link:definitionLink link:calculationLink 996670304 - Disclosure - Note 4 - Labor costs (included in Cost of sales and in Selling, general and administrative expenses) (Tables) link:presentationLink link:definitionLink link:calculationLink 996670306 - Disclosure - Note 6 - Other operating income and expenses (Tables) link:presentationLink link:definitionLink link:calculationLink 996670307 - Disclosure - Note 7 - Financial results (Tables) link:presentationLink link:definitionLink link:calculationLink 996670308 - Disclosure - Note 8 - Equity in earnings of non-consolidated companies (Tables) link:presentationLink link:definitionLink link:calculationLink 996670309 - Disclosure - Note 9 - Income tax (Tables) link:presentationLink link:definitionLink link:calculationLink 996670311 - Disclosure - Note 11 - Property, plant and equipment, net (Tables) link:presentationLink link:definitionLink link:calculationLink 996670312 - Disclosure - Note 12 - Intangible assets, net (Tables) link:presentationLink link:definitionLink link:calculationLink 996670313 - Disclosure - Note 13 - Right-of-use assets, net and lease liabilities (Tables) link:presentationLink link:definitionLink link:calculationLink 996670314 - Disclosure - Note 14 - Investments in non-consolidated companies (Tables) link:presentationLink link:definitionLink link:calculationLink 996670315 - Disclosure - Note 15 - Receivables non-current (Tables) link:presentationLink link:definitionLink link:calculationLink 996670316 - Disclosure - Note 16 - Inventories, net (Tables) link:presentationLink link:definitionLink link:calculationLink 996670317 - Disclosure - Note 17 - Receivables and prepayments, net (Tables) link:presentationLink link:definitionLink link:calculationLink 996670318 - Disclosure - Note 18 - Current tax assets and liabilities (Tables) link:presentationLink link:definitionLink link:calculationLink 996670319 - Disclosure - Note 19 - Trade receivables, net (Tables) link:presentationLink link:definitionLink link:calculationLink 996670320 - Disclosure - Note 20 - Cash and cash equivalents and other investments (Tables) link:presentationLink link:definitionLink link:calculationLink 996670321 - Disclosure - Note 21 - Borrowings (Tables) link:presentationLink link:definitionLink link:calculationLink 996670322 - Disclosure - Note 22 - Deferred tax assets and liabilities (Tables) link:presentationLink link:definitionLink link:calculationLink 996670323 - Disclosure - Note 23 - Other liabilities (Tables) link:presentationLink link:definitionLink link:calculationLink 996670324 - Disclosure - Note 24 - Non-current provisions (Tables) link:presentationLink link:definitionLink link:calculationLink 996670325 - Disclosure - Note 25 - Current allowances and provisions (Tables) link:presentationLink link:definitionLink link:calculationLink 996670326 - Disclosure - Note 26 - Derivative financial instruments (Tables) link:presentationLink link:definitionLink link:calculationLink 996670330 - Disclosure - Note 30 - Cash flow disclosures (Tables) link:presentationLink link:definitionLink link:calculationLink 996670331 - Disclosure - Note 31 - Related party transactions (Tables) link:presentationLink link:definitionLink link:calculationLink 996670332 - Disclosure - Note 32 - Independent auditor fees (Tables) link:presentationLink link:definitionLink link:calculationLink 996670333 - Disclosure - Note 33 - Principal subsidiaries (Tables) link:presentationLink link:definitionLink link:calculationLink 996670334 - Disclosure - Note 34 - Business combinations (Tables) link:presentationLink link:definitionLink link:calculationLink 996670335 - Disclosure - Discontinued Operations (Tables) link:presentationLink link:definitionLink link:calculationLink 99667040201 - Disclosure - II. ACCOUNTING POLICIES (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99667040202 - Disclosure - II. ACCOUNTING POLICIES (Details Textual 2) link:presentationLink link:definitionLink link:calculationLink 99667040203 - Disclosure - II. ACCOUNTING POLICIES - Estimated Useful Lives of Property, Plant and Equipment (Details) link:presentationLink link:definitionLink link:calculationLink 99667040204 - Disclosure - II. ACCOUNTING POLICIES - Changes in Key Assumptions That Would Cause the Recoverable Amount to Equal the Carrying Value (Details) link:presentationLink link:definitionLink link:calculationLink 99667040205 - Disclosure - III. FINANCIAL RISK MANAGEMENT (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99667040301 - Disclosure - III. FINANCIAL RISK MANAGEMENT - Financial Assets and Liabilities Which Impact Profit and Loss (Details) link:presentationLink link:definitionLink link:calculationLink 99667040302 - Disclosure - III. FINANCIAL RISK MANAGEMENT - Proportions of Variable-rate and Fixed-rate Debt (Details) link:presentationLink link:definitionLink link:calculationLink 99667040303 - Disclosure - III. FINANCIAL RISK MANAGEMENT - Financial Instruments and Classification Within the Fair Value Hierarchy (Details) link:presentationLink link:definitionLink link:calculationLink 99667040304 - Disclosure - III. FINANCIAL RISK MANAGEMENT - Changes in Level 3 Assets (Details) link:presentationLink link:definitionLink link:calculationLink 99667040305 - Disclosure - III. FINANCIAL RISK MANAGEMENT - Changes in Level 3 Liabilities (Details) link:presentationLink link:definitionLink link:calculationLink 99668040101 - Disclosure - Note 1 - Segment Information - Reportable Operating Segments (Details) link:presentationLink link:definitionLink link:calculationLink 99668040102 - Disclosure - Note 1 - Segment information - Geographical Information (Details) link:presentationLink link:definitionLink link:calculationLink 99668040103 - Disclosure - Note 1 - Segment information - Tubes Segment Revenues By Market (Details) link:presentationLink link:definitionLink link:calculationLink 99668040104 - Disclosure - Note 1 - Segment information (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668040201 - Disclosure - Note 2 - Cost of sales - Components of Cost of Sales (Details) link:presentationLink link:definitionLink link:calculationLink 99668040301 - Disclosure - Note 3 - Selling, general and administrative expenses - Components of Selling, General and Administrative Expenses (Details) link:presentationLink link:definitionLink link:calculationLink 99668040401 - Disclosure - Note 4 - Labor costs (included in Cost of sales and in Selling, general and administrative expenses) (Details) link:presentationLink link:definitionLink link:calculationLink 99668040402 - Disclosure - Note 4 - Labor costs (included in Cost of sales and in Selling, general and administrative expenses) - Number of Employees (Details) link:presentationLink link:definitionLink link:calculationLink 99668040501 - Disclosure - Note 5 - Impairment charge (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668040601 - Disclosure - Note 6 - Other operating income and expenses (Details) link:presentationLink link:definitionLink link:calculationLink 99668040602 - Disclosure - Note 6 - Other operating income and expenses (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668040701 - Disclosure - Note 7 - Financial results (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668040702 - Disclosure - Note 7 - Financial results - Financial Income (Cost) (Details) link:presentationLink link:definitionLink link:calculationLink 99668040801 - Disclosure - Note 8 - Equity in earnings of non-consolidated companies (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668040802 - Disclosure - Note 8 - Equity in earnings of non-consolidated companies (Details) link:presentationLink link:definitionLink link:calculationLink 99668040901 - Disclosure - Note 9 - Income tax (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668040902 - Disclosure - Note 9 - Income tax - Summary of Income Tax Expense (Benefit) (Details) link:presentationLink link:definitionLink link:calculationLink 99668040903 - Disclosure - Note 9 - Income tax - Summary of Differences Between Income Tax and Theoretical Amount Using Tax Rate in Each Country (Details) link:presentationLink link:definitionLink link:calculationLink 99668041001 - Disclosure - Note 10 - Dividends distribution (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668041101 - Disclosure - Note 11 - Property, plant and equipment, net (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668041102 - Disclosure - Note 11 - Property, plant and equipment, net - Components of Property, Plant and Equipment, Net (Details) link:presentationLink link:definitionLink link:calculationLink 99668041201 - Disclosure - Note 12 - Intangible assets, net (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668041202 - Disclosure - Note 12 - Intangible assets, net - Intangible Assets and Goodwill (Details) link:presentationLink link:definitionLink link:calculationLink 99668041203 - Disclosure - Note 12 - Intangible assets, net - Goodwill Allocated by CGU (Details) link:presentationLink link:definitionLink link:calculationLink 99668041301 - Disclosure - Note 13 - Right-of-use assets, net and lease liabilities (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668041302 - Disclosure - Note 13 - Right-of-use assets, net and lease liabilities - Evolution of Right-of-use Assets (Details) link:presentationLink link:definitionLink link:calculationLink 99668041303 - Disclosure - Note 13 - Right-of-use assets, net and lease liabilities - Evolution of Lease Liability (Details) link:presentationLink link:definitionLink link:calculationLink 99668041401 - Disclosure - Note 14 - Investments in non-consolidated companies (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668041402 - Disclosure - Note 14 - Investments in non-consolidated companies - Summary of Investments in Non-consolidated Companies (Details) link:presentationLink link:definitionLink link:calculationLink 99668041403 - Disclosure - Note 14 - Investments in non-consolidated companies - Principal Non-consolidated Companies (Details) link:presentationLink link:definitionLink link:calculationLink 99668041404 - Disclosure - Note 14 - Investments in non-consolidated companies - Summary of Selected Financial Information (Details) link:presentationLink link:definitionLink link:calculationLink 99668041501 - Disclosure - Note 15 - Receivables non-current - Components of Receivables Non Current (Details) link:presentationLink link:definitionLink link:calculationLink 99668041502 - Disclosure - Note 15 - Receivables non-current - Components of Receivables Non Current (Parenthetical) (Detail) link:presentationLink link:definitionLink link:calculationLink 99668041601 - Disclosure - Note 16 - Inventories, net - Components of Inventories (Details) link:presentationLink link:definitionLink link:calculationLink 99668041701 - Disclosure - Note 17 - Receivables and prepayments, net - Summary of Receivables and Prepayments (Details) link:presentationLink link:definitionLink link:calculationLink 99668041702 - Disclosure - Note 17 - Receivables and prepayments, net - Summary of Receivables and Prepayments (Parenthetical) (Details) link:presentationLink link:definitionLink link:calculationLink 99668041801 - Disclosure - Note 18 - Current tax assets and liabilities - Summary of Current Tax Assets (Details) link:presentationLink link:definitionLink link:calculationLink 99668041802 - Disclosure - Note 18 - Current tax assets and liabilities - Summary of Current Tax Liabilities (Details) link:presentationLink link:definitionLink link:calculationLink 99668041901 - Disclosure - Note 19 - Trade receivables, net - Summary of Current Trade Receivables (Details) link:presentationLink link:definitionLink link:calculationLink 99668041902 - Disclosure - Note 19 - Trade receivables, net - Summary of the Aging of Trade Receivables (Details) link:presentationLink link:definitionLink link:calculationLink 99668042001 - Disclosure - Note 20 - Cash and cash equivalents and other investments - Components of Cash and Cash Equivalents and Other Investments (Details) link:presentationLink link:definitionLink link:calculationLink 99668042002 - Disclosure - Note 20 - Cash and cash equivalents and other investments (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668042101 - Disclosure - Note 21 - Borrowings - Non-current and Current Borrowings (Details) link:presentationLink link:definitionLink link:calculationLink 99668042102 - Disclosure - Note 21 - Borrowings - Maturity of Borrowings (Details) link:presentationLink link:definitionLink link:calculationLink 99668042103 - Disclosure - Note 21 - Borrowings - Significant Borrowings as of Closing Date (Details) link:presentationLink link:definitionLink link:calculationLink 99668042104 - Disclosure - Note 21 - Borrowings - Weighted Average Interest Rates of Borrowings (Details) link:presentationLink link:definitionLink link:calculationLink 99668042105 - Disclosure - Note 21 - Borrowings - Borrowings by Currency and Rate (Details) link:presentationLink link:definitionLink link:calculationLink 99668042106 - Disclosure - Note 21 - Borrowings - Borrowings Evolution (Details) link:presentationLink link:definitionLink link:calculationLink 99668042201 - Disclosure - Note 22 - Deferred tax assets and liabilities (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668042202 - Disclosure - Note 22 - Deferred tax assets and liabilities - Deferred Tax Assets and Liabilities (Details) link:presentationLink link:definitionLink link:calculationLink 99668042203 - Disclosure - Note 22 - Deferred tax assets and liabilities - Recovery Analysis of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:definitionLink link:calculationLink 99668042204 - Disclosure - Note 22 - Deferred tax assets and liabilities - Net Deferred Tax Liabilities (Assets) (Details) link:presentationLink link:definitionLink link:calculationLink 99668042301 - Disclosure - Note 23 - Other liabilities (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668042302 - Disclosure - Note 23 - Other liabilities - Other Noncurrent Liabilities (Details) link:presentationLink link:definitionLink link:calculationLink 99668042303 - Disclosure - Note 23 - Other liabilities - Post-employment Benefits (Details) link:presentationLink link:definitionLink link:calculationLink 99668042304 - Disclosure - Note 23 - Other liabilities - Actuarial Assumptions (Details) link:presentationLink link:definitionLink link:calculationLink 99668042305 - Disclosure - Note 23 - Other liabilities - Plan Assets (Details) link:presentationLink link:definitionLink link:calculationLink 99668042306 - Disclosure - Note 23 - Other liabilities - Other Current Liabilities (Details) link:presentationLink link:definitionLink link:calculationLink 99668042401 - Disclosure - Note 24 - Non-current provisions - Liabilities (Details) link:presentationLink link:definitionLink link:calculationLink 99668042501 - Disclosure - Note 25 - Current allowances and provisions - Deducted From Assets (Details) link:presentationLink link:definitionLink link:calculationLink 99668042502 - Disclosure - Note 25 - Current allowances and provisions - Liabilities (Details) link:presentationLink link:definitionLink link:calculationLink 99668042503 - Disclosure - Note 25 - Current allowances and provisions - (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668042601 - Disclosure - Note 26 - Derivative financial instruments (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668042602 - Disclosure - Note 26 - Derivative financial instruments - Net Fair Values (Details) link:presentationLink link:definitionLink link:calculationLink 99668042603 - Disclosure - Note 26 - Derivative financial instruments - Foreign Exchange Derivative Contracts and Hedge Accounting (Details) link:presentationLink link:definitionLink link:calculationLink 99668042604 - Disclosure - Note 26 - Derivative financial instruments - Commodities Derivative Contracts (Details) link:presentationLink link:definitionLink link:calculationLink 99668042605 - Disclosure - Note 26 - Derivative financial instruments - Hedge Reserve Evolution (Details) link:presentationLink link:definitionLink link:calculationLink 99668042701 - Disclosure - Note 27 - Contingencies, commitments and restrictions on the distribution of profits (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668042801 - Disclosure - Note 28 - Developments concerning cancelled title deeds in Saudi Steel Pipe Company (Details) link:presentationLink link:definitionLink link:calculationLink 99668042901 - Disclosure - Note 29 - Foreign exchange control measures in Argentina (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668043001 - Disclosure - Note 30 - Cash flow disclosures - Cash Flow Disclosures (Details) link:presentationLink link:definitionLink link:calculationLink 99668043101 - Disclosure - Note 31 - Related party transactions (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668043102 - Disclosure - Note 31 - Related party transactions - Transactions Carried Out With Related Parties (Details) link:presentationLink link:definitionLink link:calculationLink 99668043201 - Disclosure - Note 32 - Independent auditor fees - Fees Accrued for Professional Services (Details) link:presentationLink link:definitionLink link:calculationLink 99668043202 - Disclosure - Note 32 - Independent auditor fees (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668043301 - Disclosure - Note 33 - Principal subsidiaries (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668043302 - Disclosure - Note 33 - Principal subsidiaries - Percentage of Ownership of Each Controlled Company (Details) link:presentationLink link:definitionLink link:calculationLink 99668043402 - Disclosure - Note 34 - Business combinations (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668043501 - Disclosure - Note 35 - Share Buyback Program (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668043601 - Disclosure - Note 36 - Climate change (Details Textual) link:presentationLink link:definitionLink link:calculationLink 99668043701 - Disclosure - Note 38 - Events after the reporting period (Details Textual) link:presentationLink link:definitionLink link:calculationLink 998880401 - Disclosure - Update as of April 29, 2020 - Assets and Liabilities Assumed (Details) link:presentationLink link:definitionLink link:calculationLink 998880402 - Disclosure - Discontinued Operations - Discontinued Operations (Details) link:presentationLink link:definitionLink link:calculationLink 998880403 - Disclosure - Discontinued Operations - Components Gain on Sale After Income Tax for Disposals (Details) link:presentationLink link:definitionLink link:calculationLink 998880404 - Disclosure - Discontinued Operations (Details Textual) link:presentationLink link:definitionLink link:calculationLink 998880405 - Disclosure - Discontinued Operations - Components of Discontinued Operation's Net Income (Details) link:presentationLink link:definitionLink link:calculationLink 998880406 - Disclosure - Update as of March 30, 2022 (Details - Textuals) link:presentationLink link:definitionLink link:calculationLink 998880407 - Disclosure - Note 35 - Other relevant information (Details - Textuals) link:presentationLink link:definitionLink link:calculationLink 998880408 - Disclosure - Note 36 - Termination of NKKTubes joint venture (Details Textual) link:presentationLink link:definitionLink link:calculationLink 9988804081 - Disclosure - Note 37 - Tariffs on steel and other imports in the United States and Canada (Details) link:presentationLink link:definitionLink link:calculationLink 998880409 - Disclosure - Note 35 - Nationalization of Venezuelan subsidiaries (Details Textual) link:presentationLink link:definitionLink link:calculationLink