v3.26.1
RISK MANAGEMENT - Investment debt securities - Concentration by sovereign risk - Tabular disclosure (Details) - COP ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of financial assets [line items]    
Central Government debt instruments held $ 44,138,700 $ 36,072,003
Central Government debt instruments held (as a percent) 100.00% 100.00%
Total Sovereign Risk $ 44,138,700 $ 36,276,858
Total sovereign risk (as a percent) 100.00% 100.00%
Investment grade    
Disclosure of financial assets [line items]    
Central Government debt instruments held $ 1,829,778 $ 32,861,347
Central Government debt instruments held (as a percent) 4.15% 91.10%
Central Bank debt instruments held   $ 204,855
Central Bank debt instruments held (as a percent)   100.00%
Investment grade | COLOMBIA    
Disclosure of financial assets [line items]    
Central Government debt instruments held   $ 28,361,534
Central Government debt instruments held (as a percent)   78.64%
Investment grade | PANAMA    
Disclosure of financial assets [line items]    
Central Government debt instruments held $ 973,505 $ 2,724,276
Central Government debt instruments held (as a percent) 2.21% 7.55%
Central Bank debt instruments held   $ 204,855
Central Bank debt instruments held (as a percent)   100.00%
Investment grade | CHILE    
Disclosure of financial assets [line items]    
Central Government debt instruments held $ 182,837 $ 238,765
Central Government debt instruments held (as a percent) 0.41% 0.66%
Investment grade | PERU    
Disclosure of financial assets [line items]    
Central Government debt instruments held $ 32,414 $ 37,023
Central Government debt instruments held (as a percent) 0.07% 0.10%
Investment grade | GERMANY    
Disclosure of financial assets [line items]    
Central Government debt instruments held $ 15,436 $ 15,806
Central Government debt instruments held (as a percent) 0.03% 0.04%
Investment grade | MEXICO    
Disclosure of financial assets [line items]    
Central Government debt instruments held $ 107,177 $ 17,987
Central Government debt instruments held (as a percent) 0.24% 0.05%
Investment grade | UNITED STATES    
Disclosure of financial assets [line items]    
Central Government debt instruments held $ 518,409 $ 1,465,956
Central Government debt instruments held (as a percent) 1.17% 4.06%
Speculative grade    
Disclosure of financial assets [line items]    
Central Government debt instruments held $ 42,308,922 $ 3,210,656
Central Government debt instruments held (as a percent) 95.85% 8.90%
Speculative grade | BRAZIL    
Disclosure of financial assets [line items]    
Central Government debt instruments held $ 28,122 $ 30,266
Central Government debt instruments held (as a percent) 0.00% 0.08%
Speculative grade | COLOMBIA    
Disclosure of financial assets [line items]    
Central Government debt instruments held $ 42,280,800 $ 3,101,625
Central Government debt instruments held (as a percent) 96.00% 8.60%
Speculative grade | COSTA RICA    
Disclosure of financial assets [line items]    
Central Government debt instruments held   $ 78,765
Central Government debt instruments held (as a percent)   0.22%