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Document and Entity Information - shares
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Document and Entity Information    
Document Type 20-F  
Document Registration Statement false  
Document Annual Report true  
Document Period End Date Dec. 31, 2024  
Document Transition Report false  
Document Shell Company Report false  
Entity File Number 001-34175  
Entity Registrant Name ECOPETROL S.A.  
Entity Incorporation, State or Country Code CO  
Entity Address, Address Line One Carrera 13 No. 36 – 24  
Entity Address, City or Town Bogotá  
Entity Address, Postal Zip Code 00000  
Entity Address, Country CO  
Entity Common Stock, Shares Outstanding 41,116,694,690  
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 Financial Statement Error Correction [Flag] false  
Document Accounting Standard International Financial Reporting Standards  
Entity Shell Company false  
Entity Central Index Key 0001444406  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus FY  
Amendment Flag false  
Auditor Name Ernst & Young Audit S.A.S. Ernst & Young Audit S.A.S.
Auditor Firm ID 1522 1522
Auditor Location Bogotá, D.C., Colombia Bogotá, D.C., Colombia
Common shares    
Document and Entity Information    
Title of 12(b) Security Ecopetrol common shares par value COP 609 per share  
Trading Symbol EC  
Security Exchange Name NYSE  
American depository receipts    
Document and Entity Information    
Title of 12(b) Security American Depository Shares (as evidenced by American Depository Receipts), each representing 20 common shares par value COP 609 per share  
Trading Symbol EC  
Security Exchange Name NYSE  
Business Contact    
Document and Entity Information    
Contact Personnel Name Lina Maria Contreras Mora  
Contact Personnel Email Address investors@ecopetrol.com.co  
Entity Address, Address Line One Carrera 13 No.36 - 24  
Entity Address, City or Town Bogotá  
Entity Address, Postal Zip Code 00000  
Entity Address, Country CO  
City Area Code 57  
Local Phone Number 310 315 8600