• Entity registrant name: ECOPETROL S.A. (CIK: 0001444406)
  • SEC filing page: http://www.sec.gov/Archives/edgar/data/1444406/000114420418022451/0001144204-18-022451-index.htm
  • XBRL Instance: http://www.sec.gov/Archives/edgar/data/1444406/000114420418022451/ec-20171231.xml
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  • EDGAR Dashboard: https://edgardashboard.xbrlcloud.com/edgar-dashboard/?cik=0001444406
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    Component: (Network and Table)
    Network
    101 - Document - Document And Entity Information
    (http://www.ecopetrol.com.co/role/DocumentAndEntityInformation)
    Table Document Information [Table]
    Slicers (applies to each fact value in each table cell)
    Reporting Entity [Axis] 0001444406 (http://www.sec.gov/CIK)
    Class of Stock [Axis] Class of Stock [Domain]
    Document Information [Line Items] Period [Axis]
    2017-01-01 - 2017-12-31
    Document Type
    20-F  
    Amendment Flag
    false  
    Document Period End Date
    2017-12-31  
    Document Fiscal Year Focus
    2017  
    Document Fiscal Period Focus
    FY  
    Entity Registrant Name
    ECOPETROL S.A.  
    Entity Central Index Key
    0001444406  
    Current Fiscal Year End Date
    --12-31  
    Entity Well-known Seasoned Issuer
    No  
    Entity Voluntary Filers
    No  
    Entity Current Reporting Status
    Yes  
    Entity Filer Category
    Large Accelerated Filer  
    Trading Symbol
    EC  
    Entity Common Stock, Shares Outstanding
    41,116,694,690