Note 32 - Independent auditor fees (Details Textual) $ in Thousands	12 Months Ended
Dec. 31, 2023 USD ($)
Note 32 - Independent auditor fees
Auditors remuneration for acquisition services	$ 242

The amount of fees paid or payable to the entity's auditors for acquisition related services.

No definition available.

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