XML 37 R83.htm IDEA: XBRL DOCUMENT
v3.20.1

III. Financial Risk Management (Details Textual) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Statement Line Items [Line Items] |  |  |  |  |
Debt to equity ratio |  | 0.06 | 0.04 |  |
Reserve of exchange differences on translation |  | $ 600 | $ 1,900 |  |
Total borrowings |  | 822,152 | 539,007 |  |
Gain (loss) on interest rate risk if market interest rates were higher |  | (7,700) | (8,200) |  |
Current trade receivables |  | $ 1,348,160 | $ 1,737,366 |  | $ 1,214,060
Liquid financial assets, percentage |  | 12.00% | 7.00% |  |
Transfers out of Level 1 into Level 2 of fair value hierarchy, assets held at end of reporting period |  | $ 0 |  |  |
Financial liabilities, fair value as a percentage of carrying value |  | 100.00% | 99.30% |  |
Reserve of cash flow hedges, continuing hedges |  | $ 2,600 | $ (900) |  |
Transfers out of Level 2 into Level 1 of fair value hierarchy, assets held at end of reporting period |  | $ 0 |  |  |
UNITED STATES |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Liquid financial assets, percentage denominated by a specific currency |  | 95.00% | 95.00% |  |
Allowance for doubtful accounts - trade receivables [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Total other provisions |  | $ 48,800 | $ 66,500 |  |
Past due [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Current trade receivables |  | 242,700 | 368,400 |  |
Guarantees under credit insurance [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Current trade receivables |  | 178,700 | 181,700 |  |
Letter of credit and other bank guarantees [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Current trade receivables |  | 55,200 | 62,300 |  |
Other guarantees [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Current trade receivables |  | 600 | 42,200 |  |
Financial guarantee contracts [member] | Past due [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Current trade receivables |  | 28,700 | 31,500 |  |
Fixed interest rate [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Total borrowings |  | 768,002 | $ 520,471 | [1] |
Current borrowings |  | $ 728,000 |  |  |
Concentration Risk, percentage | [1] | 93.00% | 97.00% |  |
One percent change, Argentine Peso / U.S. dollar foreign exchange risk [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Foreign exchange risk, currency exposure |  | $ 1,000 | $ 1,900 |  |
One percent change, Euro / U.S. dollar foreign exchange risk [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Foreign exchange risk, currency exposure |  | 1,000 | 1,300 |  |
One percent change, Saudi Arabian Riyal / U.S. dollar foreign exchange risk [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Foreign exchange risk, currency exposure |  | 4,600 | 3,600 |  |
One percent change, Saudi Arabian Riyal / U.S. dollar foreign exchange risk [member] | Foreign exchange derivatives contracts [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Foreign exchange risk, currency exposure |  | 4,900 | $ 2,300 |  |
Customer concentration risk [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Credit exposure |  | $ 0 |  |  |
Concentration Risk, percentage |  | 0.00% | 0.00% |  | 0.00%
Counterparty risk [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Concentration Risk, percentage |  | 96.00% | 83.00% |  |
[1] | Out of the $768 million fixed rate borrowings, $728 million are short-term.

X
- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_Borrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of exposure to loss resulting from credit risk. [Refer: Credit risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph IG24 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG24_a&doctype=Implementation%20Guidance&book=b -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph IG25 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG25_b&doctype=Implementation%20Guidance&book=b -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 36 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_36_c&doctype=Standard&book=b -URIDate 2019-03-27 + Details
Name: | ifrs-full_CreditExposure
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of current trade receivables. [Refer: Trade receivables] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 78 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_78_b&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 68 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_68&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_CurrentTradeReceivables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2019-01-01 -Paragraph 84 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2019-en-r&anchor=para_84_a&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 78 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_78_d&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_OtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A component of equity representing the reserve of cash flow hedges in relation to continuing hedges. [Refer: Reserve of cash flow hedges] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 24B -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_24B_b_ii&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_ReserveOfCashFlowHedgesContinuingHedges
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A component of equity representing exchange differences on translation of financial statements of foreign operations recognised in other comprehensive income and accumulated in equity. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2019-01-01 -Paragraph 52 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=21&code=ifrs-tx-2019-en-r&anchor=para_52_b&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_ReserveOfExchangeDifferencesOnTranslation
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_ShorttermBorrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of transfers out of Level 1 and into Level 2 of the fair value hierarchy of assets held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2019-01-01 -Paragraph 93 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2019-en-r&anchor=para_93_c&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of transfers out of Level 2 and into Level 1 of the fair value hierarchy of assets held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2019-01-01 -Paragraph 93 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2019-en-r&anchor=para_93_c&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References No definition available. + Details
Name: | ts_ConcentrationRiskPercentage
Namespace Prefix: | ts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The year-end ratio of debt to total equity (where “debt” comprises financial borrowings and “total equity” is the sum of financial borrowings and equity). + References No definition available. + Details
Name: | ts_DebtToEquityRatio
Namespace Prefix: | ts_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of a financial liabilities carrying amount that represents its fair value. + References No definition available. + Details
Name: | ts_FinancialLiabilitiesFairValueAsAPercentageOfCarryingValue
Namespace Prefix: | ts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of currency exposure which impact profit and loss expressed as long/(short). + References No definition available. + Details
Name: | ts_ForeignExchangeRiskCurrencyExposure
Namespace Prefix: | ts_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of potential gain (loss) on interest rate risk if the market interest rates were higher. + References No definition available. + Details
Name: | ts_GainLossOnInterestRateRiskIfMarketInterestRatesWereHigher
Namespace Prefix: | ts_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The percentage of assets held that are liquid. + References No definition available. + Details
Name: | ts_LiquidFinancialAssetsPercentage
Namespace Prefix: | ts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of liquid financial assets that are denominated by a specific currency. + References No definition available. + Details
Name: | ts_LiquidFinancialAssetsPercentageDenominatedByASpecificCurrency
Namespace Prefix: | ts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | ts_StatementLineItems
Namespace Prefix: | ts_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_CurrencyAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=ts_AllowanceForDoubtfulAccountsTradeReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_PastDueStatusAxis=ts_PastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ts_GuaranteesUnderCreditInsuranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ts_LetterOfCreditAndOtherBankGuaranteesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ts_OtherGuaranteesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_FinancialGuaranteeContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=ifrs-full_FixedInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ts_OnePercentChangeArgentinePesoUsDollarForeignExchangeRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ts_OnePercentChangeEuroUsDollarForeignExchangeRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ts_OnePercentChangeSaudiArabianRiyalUsDollarForeignExchangeRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=ts_ForeignExchangeDerivativesContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ts_CustomerConcentrationRisk1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ts_CounterpartyRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |