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FINANCIAL OBLIGATIONS - Borrowings from development entities - Additional information (Details) - COP ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Disclosure of detailed information about borrowings [line items]    
Amount of financial obligations with development entities $ 4,083,085 $ 3,854,907
Colombia, Pesos    
Disclosure of detailed information about borrowings [line items]    
Amount of financial obligations with development entities 4,798,022 4,241,367
Foreign currency [member]    
Disclosure of detailed information about borrowings [line items]    
Amount of financial obligations with development entities $ 15,111 $ 115,908