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Note 38 - Climate change (Details Textual) $ in Millions |  |  | 1 Months Ended
--- | --- | --- | ---
Nov. 30, 2023 USD ($) t | Oct. 31, 2023 USD ($) t | Feb. 28, 2021
Wind farm in Argentina [member] |  |  |
Disclosure of climate change [line items] |  |  |
Investments In Windfarm | $ |  | $ 200 |
Percentage Of Energy Requirements Supplied |  | 50.00% |
Estimated reduction of carbon dioxide emissions in that country | t |  | 152,000 |
Second Wind Farm In Argentina Member |  |  |
Disclosure of climate change [line items] |  |  |
Estimated reduction of carbon dioxide emissions in that country | t | 102,500 |  |
Estimated investments in plan | $ | $ 214 |  |
Percentage of energy requirements in that city to be supplied | 30.00% |  |
Medium term target [member] |  |  |
Disclosure of climate change [line items] |  |  |
Percentage of target for reducing carbon emissions intensity |  |  | 30.00%
Period over climate-related target applies |  |  | 2030
Baseline from which progress for climate-related target is measured |  |  | 2018

X
- Definition The description of the baseline from which progress for climate-related target is measured. + References No definition available. + Details
Name: | ts_BaseLineFromWhichProgressForClimateRelatedTargetIsMeasured
Namespace Prefix: | ts_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The amount of estimated investments to be made in a plan windfarm. + References No definition available. + Details
Name: | ts_EstimatedInvestmentsPlanWindfarm
Namespace Prefix: | ts_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The volume of estimated reduction of Carbon dioxide ("CO2") emissions of reporting entity in that country. + References No definition available. + Details
Name: | ts_EstimatedReductionOfCarbonDioxideEmissionsInThatCountry
Namespace Prefix: | ts_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of investments made in a windfarm. + References No definition available. + Details
Name: | ts_InvestmentsInWindfarm
Namespace Prefix: | ts_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The percentage of energy requirements in that mill to be supplied by a specific plan. + References No definition available. + Details
Name: | ts_PercentageOfEnergyRequirementsInThatMillToBeSupplied
Namespace Prefix: | ts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of energy requirements supplied. + References No definition available. + Details
Name: | ts_PercentageOfEnergyRequirementsSupplied
Namespace Prefix: | ts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of the target for reducing the intensity of carbon emissions. + References No definition available. + Details
Name: | ts_PercentageOfTargetForReducingCarbonEmissionsIntensity
Namespace Prefix: | ts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The description of the period over which the climate-related target applies. + References No definition available. + Details
Name: | ts_PeriodOverClimateRelatedTargetApplies
Namespace Prefix: | ts_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_JointVenturesAxis=ts_WindFarmInArgentinaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=ts_SecondWindFarmInArgentinaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ts_TimeHorizonAxis=ts_MediumTermTargetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |