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Note 36 - Climate change (Details Textual) $ in Millions			1 Months Ended
	Nov. 30, 2023 USD ($)	Oct. 31, 2023 USD ($) MW	Feb. 28, 2021
Wind farm in Argentina [member]
Disclosure of climate change [line items]
Investments In Windfarm		$ 200
Electric power generation capacity | MW		103.2
Percentage Of Energy Requirements Supplied		50.00%
Second Wind Farm In Argentina Member
Disclosure of climate change [line items]
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

Measures unit of electic power generation capacity

+ References

No definition available.

+ Details

Name:	ts_ElectricPowerGenerationCapacity
Namespace Prefix:	ts_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

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 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:	dtr-types: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:	dtr-types: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:	dtr-types: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: