v3.26.1
ESTIMATION OF FAIR VALUE - Fair value of financial liabilities recognized at amortized cost (Details) - COP ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of financial liabilities [line items]    
Financial liabilities $ 278,063,105 $ 274,729,544
Customer deposits [member]    
Disclosure of financial liabilities [line items]    
Financial liabilities 207,405,238 200,872,177
Financial obligations [member]    
Disclosure of financial liabilities [line items]    
Financial liabilities 68,671,586 72,823,775
Financial liabilities at amortised cost, category [member]    
Disclosure of financial liabilities [line items]    
Financial liabilities 276,076,824 273,695,952
Financial liabilities at fair value 274,990,624 273,126,848
Financial liabilities at amortised cost, category [member] | Customer deposits [member]    
Disclosure of financial liabilities [line items]    
Financial liabilities 207,405,238 200,872,177
Financial liabilities at fair value 207,699,875 201,762,276
Financial liabilities at amortised cost, category [member] | Financial obligations [member]    
Disclosure of financial liabilities [line items]    
Financial liabilities 68,671,586 72,823,775
Financial liabilities at fair value $ 67,290,749 $ 71,364,572