• Entity registrant name: Tenaris SA (CIK: 0001190723)
  • SEC filing page: http://www.sec.gov/Archives/edgar/data/1190723/000117184318003182/0001171843-18-003182-index.htm
  • XBRL Instance: http://www.sec.gov/Archives/edgar/data/1190723/000117184318003182/ts-20171231.xml
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  • EDGAR Dashboard: https://edgardashboard.xbrlcloud.com/edgar-dashboard/?cik=0001190723
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    Component: (Network and Table)
    Network
    000 - Document - Document And Entity Information
    (http://us.tenaris.com/20171231/role/statement-document-and-entity-information)
    Table Document Information [Table]
    Slicers (applies to each fact value in each table cell)
    Reporting Entity [Axis] 0001190723 (http://www.sec.gov/CIK)
    Legal Entity [Axis] Entity [Domain]
    Document Information [Line Items] Period [Axis]
    2017-01-01 - 2017-12-31
    Entity Registrant Name
    Tenaris SA  
    Entity Central Index Key
    0001190723  
    Trading Symbol
    ts  
    Current Fiscal Year End Date
    --12-31  
    Entity Filer Category
    Large Accelerated Filer  
    Entity Current Reporting Status
    Yes  
    Entity Voluntary Filers
    No  
    Entity Well-known Seasoned Issuer
    No  
    Entity Common Stock, Shares Outstanding (in shares)
    1,180,536,830  
    Document Type
    20-F  
    Document Period End Date
    2017-12-31  
    Document Fiscal Year Focus
    2017  
    Document Fiscal Period Focus
    FY  
    Amendment Flag
    false