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Document And Entity Information
 12 Months Ended
Dec. 31, 2022
shares
Document Information [Line Items]  
Entity Registrant Name Tenaris SA
Document Type 20-F
Amendment Flag false
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Entity File Number 001-31518
Entity Central Index Key 0001190723
Current Fiscal Year End Date --12-31
Document Period End Date Dec. 31, 2022
Document Fiscal Year Focus 2022
Document Fiscal Period Focus FY
Entity Incorporation, State or Country Code N4
Entity Address, Address Line One 26, Boulevard Royal – 4th Floor
Entity Address, Postal Zip Code L-2449
Entity Address, City or Town Luxembourg
Entity Address, Country LU
Entity Common Stock, Shares Outstanding (in shares) 1,180,536,830
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Large Accelerated Filer
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag true
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Auditor Name PricewaterhouseCoopers
Auditor Firm ID 1328
Auditor Location Luxembourg
Business Contact  
Document Information [Line Items]  
Contact Personnel Name Javier Cayzac
Entity Address, Address Line One 26, Boulevard Royal – 4th Floor
Entity Address, Postal Zip Code L-2449
Entity Address, City or Town Luxembourg
Entity Address, Country LU
City Area Code (352)
Local Phone Number 26 47 89 78
American Depositary Shares (“ADSs”)  
Document Information [Line Items]  
Title of 12(b) Security American Depositary Shares
Trading Symbol ts
Security Exchange Name NYSE
Ordinary shares [member]  
Document Information [Line Items]  
Title of 12(b) Security Ordinary Shares, par value $1.00 per share
Trading Symbol ts
Security Exchange Name NYSE