v3.26.1
ASSETS AND FINANCIAL LIABILITIES - Interest expense (Details) - COP ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Interest expense      
Checking accounts $ (226,810) $ (245,215) $ (236,918)
Savings accounts (4,493,611) (5,396,372) (5,928,961)
Interest of the derivative designated as the hedging instrument in savings accounts (5,707)    
Time deposits (8,357,587) (8,921,856) (9,482,449)
Interest of the derivative designated as the hedging instrument in time deposits (5,839) (49,794) (63,333)
Interest expense on deposits from customers (13,089,554) (14,613,237) (15,711,661)
Financial obligations      
Interbank borrowings and overnight funds (1,598,036) (1,649,638) (1,842,126)
Interest of the derivative designated as the hedging instrument in interbank borrowings and overnight funds 805    
Borrowings from banks and similar (1,216,271) (1,373,146) (1,357,299)
Leases contracts (240,218) (241,343) (204,730)
Bonds issued (1,542,457) (1,676,593) (2,049,348)
Borrowing from development entities (362,136) (490,534) (591,285)
Total Financial obligations (4,958,313) (5,431,254) (6,044,788)
Interest expense $ (18,047,867) $ (20,044,491) $ (21,756,449)