No definition available.

Name:	ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of allowance for acquisitions through business combinations receivables and other assets current.

No definition available.

Name:	ts_AcquisitionsThroughBusinessCombinationsReceivablesAndOtherAssetsCurrentAllowance
Namespace Prefix:	ts_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of allowance for decrease through deconsolidation of subsidiaries receivables and other assets current.

No definition available.

Name:	ts_DecreaseDueToDeconsolidationOfSubsidiariesReceivablesAndOtherAssetsCurrentAllowance
Namespace Prefix:	ts_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of allowance for decrease through allowances used and other movements receivables and other assets current.

No definition available.

Name:	ts_DecreaseThroughAllowancesUsedAndOtherMovementsReceivablesAndOtherAssetsCurrentAllowance
Namespace Prefix:	ts_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of allowance for increase decrease through net exchange differences receivables and other assets current.

No definition available.

Name:	ts_IncreaseDecreaseThroughNetExchangeDifferencesReceivablesAndOtherAssetsCurrentAllowance
Namespace Prefix:	ts_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of allowance for increase decrease through reversals and additional allowances receivables and other assets current.

No definition available.

Name:	ts_IncreaseDecreaseThroughReversalsAndAdditionalAllowancesReceivablesAndOtherAssetsCurrentAllowance
Namespace Prefix:	ts_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of allowance for receivables and other assets current.

No definition available.

Name:	ts_ReceivablesAndOtherAssetsCurrentAllowance
Namespace Prefix:	ts_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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

Name:	ifrs-full_ClassesOfProvisionsAxis=ts_AllowanceForOtherDoubtfulAccountsOtherReceivablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfProvisionsAxis=ts_AllowanceForInventoryObsolescenceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: