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Equity - Ecopetrol Business Groups reserves (Details) - COP ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Equity    
Equity reserves $ 24,156,407 $ 17,922,725
Legal reserve    
Equity    
Equity reserves 11,654,095 9,747,885
Fiscal and statutory reserves    
Equity    
Equity reserves 509,082 509,082
Occasional reserves    
Equity    
Equity reserves $ 11,993,230 $ 7,665,758