XML 158 R120.htm IDEA: XBRL DOCUMENT
v3.19.1

Note 18 - Borrowings - Borrowings by Currency and Rate (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Statement Line Items [Line Items] |  |
Borrowings | $ 29,187 | $ 34,645
Borrowings | 509,820 | 931,214
United States of America, Dollars | Fixed interest rate [member] |  |
Statement Line Items [Line Items] |  |
Borrowings | 18,762 | 19,120
Borrowings | 138,303 | 187,872
United States of America, Dollars | Floating interest rate [member] |  |
Statement Line Items [Line Items] |  |
Borrowings | 16,847 | 17,640
Euro Member Countries, Euro | Fixed interest rate [member] |  |
Statement Line Items [Line Items] |  |
Borrowings | 9,023 | 13,828
Borrowings | 4,178 | 839
Euro Member Countries, Euro | Floating interest rate [member] |  |
Statement Line Items [Line Items] |  |
Borrowings | 1,402 | 1,638
Borrowings | 198 | 169
Other currency [member] | Fixed interest rate [member] |  |
Statement Line Items [Line Items] |  |
Borrowings | 33 | 8
Other currency [member] | Floating interest rate [member] |  |
Statement Line Items [Line Items] |  |
Borrowings |  | 59
Borrowings | 89 | 138
Mexico, Pesos | Fixed interest rate [member] |  |
Statement Line Items [Line Items] |  |
Borrowings | 301,047 | 412,719
Argentina, Pesos | Fixed interest rate [member] |  |
Statement Line Items [Line Items] |  |
Borrowings | $ 49,125 | $ 311,829

X
- Definition The amount of current borrowings and current portion of non-current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The non-current portion of non-current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_LongtermBorrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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=currency_USD
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_TypesOfInterestRatesAxis=ifrs-full_FloatingInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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