XML 177 R139.htm IDEA: XBRL DOCUMENT
v3.19.1

Note 24 - Contingencies, Commitments and Restrictions On the Distribution of Profits (Details Textual) R$ / shares in Units, t in Thousands, $ in Thousands, R$ in Millions, $ in Millions |  |  |  |  | 12 Months Ended | 36 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 09, 2018 USD ($) | Jul. 01, 2017 USD ($) | Jun. 30, 2017 USD ($) | Sep. 01, 2013 R$ / shares shares | Dec. 31, 2018 USD ($) t | Dec. 31, 2018 USD ($) t | Dec. 31, 2018 BRL (R$) t | Oct. 10, 2018 USD ($) | Oct. 10, 2018 BRL (R$) | Aug. 30, 2018 USD ($) | Aug. 30, 2018 MXN ($) | Jul. 07, 2016 USD ($) | Jan. 22, 2016 USD ($)
Equity in accordance with Luxembourg law [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Distributable retained earnings |  |  |  |  | $ 17,049,171 | $ 17,049,171 |  |  |  |  |  |  |
Techgen s.a. [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  |  |  |  | 22.00% |  |  |  |  |  |  |  |
Term of supply contract |  |  |  |  |  | 25 years |  |  |  |  |  |  |
Proportion of corporate guarantee covering obligations |  |  |  |  | 22.00% | 22.00% | 22.00% |  |  |  |  |  |
Confab [member] | Chubb [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for settlement | $ 3,500 |  |  |  |  |  |  |  |  |  |  |  |
Settlement, amount ordered to pay |  |  |  |  |  |  |  | $ 23,200 | R$ 89.8 |  |  |  |
Confab [member] | Veracel Celulose S.A. [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement, amount ordered to pay, insurance deductible |  |  |  |  | $ 14,900 | $ 14,900 | R$ 57.8 |  |  |  |  |  |
Settlement, amount ordered to pay, damages |  |  |  |  | 12,800 | 12,800 | 49.5 |  |  |  |  |  |
Tribunal de Contas da Uniao [member] | Legal proceedings contingent liability [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated financial effect of contingent liabilities |  |  |  |  | $ 7,000 | 7,000 | R$ 27.0 |  |  |  |  |  |
Transportadora de Gas del Norte S.A. [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Term of supply contract |  |  |  |  | 9 years |  |  |  |  |  |  |  |
Purchase commitments |  |  |  |  | $ 40,100 | 40,100 |  |  |  |  |  |  |
Praxair S.A. [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Term of supply contract |  |  |  |  | 14 years |  |  |  |  |  |  |  |
Purchase commitments |  |  |  |  | $ 57,700 | 57,700 |  |  |  |  |  |  |
Graftech [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase commitments |  |  |  |  | 55,000 | 55,000 |  |  |  |  |  |  |
Vale International S.A. [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase commitments |  |  |  |  | $ 136,900 | $ 136,900 |  |  |  |  |  |  |
Percent of annual iron ore needs supplied |  |  |  |  | 70.00% | 70.00% | 70.00% |  |  |  |  |  |
Maximum number of tons of pellets supplied annually | t |  |  |  |  | 770 | 770 | 770 |  |  |  |  |  |
Canadian National Railway [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase commitments |  |  |  |  | $ 22,800 | $ 22,800 |  |  |  |  |  |  |
Air Liquide Mexico S. de R.L. de C.V. [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase commitments |  |  |  |  | 20,800 | 20,800 |  |  |  |  |  |  |
Long term contracts with several customers and parent companies guarantees [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Performance Guarantees |  |  |  |  | $ 2,100,000 | $ 2,100,000 |  |  |  |  |  |  |
CONFAB INDUSTRIAL S.A. and subsidiaries [member] | Companhia Siderúrgica Nacional [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Tag-along tender offer to non-controlling interests, percentage |  |  |  | 80.00% |  |  |  |  |  |  |  |  |
Tag-along tender offer to non-controlling interests | R$ / shares |  |  |  | R$ 28.80 |  |  |  |  |  |  |  |  |
Tag-along tender offer to non-controlling interests, shares | shares |  |  |  | 182,609,851 |  |  |  |  |  |  |  |  |
CONFAB INDUSTRIAL S.A. and subsidiaries [member] | Companhia Siderúrgica Nacional [member] | Legal proceedings contingent liability [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Tag-along tender offer to non-controlling interests, contingent liability |  |  |  | 17.90% |  |  |  |  |  |  |  |  |
TENARIS GLOBAL SERVICES S.A. and subsidiaries [member] | Petroamazonas [member] | Legal proceedings contingent liability [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated financial effect of contingent liabilities |  |  |  |  |  |  |  |  |  |  |  |  | $ 22,500
TENARIS BAY CITY, INC. [member] | Contractor [member] | Legal proceedings contingent liability [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total excess cost of project |  | $ 48,000 | $ 90,000 |  |  |  |  |  |  |  |  |  |
SIDERCA S.A.I.C. and subsidiaries [member] | Argentine state-owned company [member] | Legal proceedings contingent liability [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated financial effect of contingent liabilities |  |  |  |  |  |  |  |  |  |  |  | $ 25,400 |
Segeta [member] | Mexican tax authorities [member] | Legal proceedings contingent liability [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated financial effect of contingent liabilities |  |  |  |  |  |  |  |  |  | $ 78,000 | $ 1,540 |  |
Tamsa [member] | Mexican tax authorities [member] | Legal proceedings contingent liability [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated financial effect of contingent liabilities |  |  |  |  |  |  |  |  |  | $ 190,000 | $ 3,749 |  |
Ternium s.a. [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  |  |  |  | 11.46% |  |  |  |  |  |  |  |
Ternium s.a. [member] | Techgen s.a. [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  |  |  |  | 48.00% |  |  |  |  |  |  |  |

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