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INVESTMENTS IN ASSOCIATES AND JOINT VENTURES - Tabular disclosure (Details) - COP ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Disclosure of investments in associates and joint ventures [Abstract]    
Associates $ 1,170,435 $ 1,029,243
Joint ventures 2,394 79
Total $ 1,172,829 $ 1,029,322