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Risk management - Hedge of a net investment in a foreign operation (Details) - Hedge of a net investment in a foreign operation
$ in Millions, $ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2024
USD ($)
Jun. 30, 2024
COP ($)
Dec. 31, 2023
COP ($)
Risk management      
Opening balance   $ 3,140,684 $ 9,354,071
Exchange difference   3,571,287 (8,973,470)
Deferred income tax (Note 10)   (1,382,016) 2,760,083
Closing balance $ 10,695 $ 5,329,955 3,140,684
Hedging instrument assets 10,695   $ 3,140,684
Ecopetrol Business Group      
Risk management      
Closing balance 10,365    
Hedging instrument assets 10,365    
ISA Colombia      
Risk management      
Closing balance 330    
Hedging instrument assets $ 330