v3.26.1
RISK MANAGEMENT - Credit portfolio per type of guarantees received (Details) - COP ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of financial assets [line items]        
Financial assets $ 305,457,293 $ 304,853,883    
Financial assets at amortised cost, category [member]        
Disclosure of financial assets [line items]        
Financial assets 243,432,271 251,981,889    
Loan portfolio [member] | Financial assets at amortised cost, category [member]        
Disclosure of financial assets [line items]        
Financial assets 184,225,973 190,129,486    
Loan portfolio [member] | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 192,655,943 200,136,125 $ 186,203,770 $ 188,313,361
Loan portfolio [member] | Unsecured credits | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 118,979,308 122,498,421    
Loan portfolio [member] | Loans secured by other banks | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 87,374 95,290    
Loan portfolio [member] | Collateralized Mortgages | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 21,689,798 21,389,245    
Loan portfolio [member] | Collateralized other real estate | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 8,171,094 13,413,995    
Loan portfolio [member] | Collateralized investments in equity instruments | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 554,447 358,719    
Loan portfolio [member] | Collateralized deposits in cash or cash equivalents | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 204,244 1,320,016    
Loan portfolio [member] | Collateralized leased machineries and vehicles | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 12,435,789 11,262,156    
Loan portfolio [member] | Collateralized fiduciary agreements stand by letters and guarantee funds | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 10,800,139 10,240,517    
Loan portfolio [member] | Collateralized pledged income | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 4,178,321 3,681,176    
Loan portfolio [member] | Collateralized pledges | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 7,596,113 8,900,136    
Loan portfolio [member] | Collateralized other assets | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 7,959,316 6,976,454    
Loans to corporate entities [member] | Financial assets at amortised cost, category [member]        
Disclosure of financial assets [line items]        
Financial assets 105,824,421 110,756,010    
Loans to corporate entities [member] | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 110,086,500 116,119,698    
Commercial lending portfolio [member] | Financial assets at amortised cost, category [member]        
Disclosure of financial assets [line items]        
Financial assets 104,047,053 110,051,750    
Commercial lending portfolio [member] | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 108,308,984 115,414,643 107,047,817 104,775,099
Commercial lending portfolio [member] | Unsecured credits | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 61,243,730 66,304,089    
Commercial lending portfolio [member] | Loans secured by other banks | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 87,323 95,043    
Commercial lending portfolio [member] | Collateralized Mortgages | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 1,946,394 1,558,240    
Commercial lending portfolio [member] | Collateralized other real estate | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 8,088,980 13,157,554    
Commercial lending portfolio [member] | Collateralized investments in equity instruments | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 554,447 358,719    
Commercial lending portfolio [member] | Collateralized deposits in cash or cash equivalents | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 203,654 1,117,748    
Commercial lending portfolio [member] | Collateralized leased machineries and vehicles | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 9,906,607 8,923,078    
Commercial lending portfolio [member] | Collateralized fiduciary agreements stand by letters and guarantee funds | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 10,773,682 10,201,495    
Commercial lending portfolio [member] | Collateralized pledged income | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 4,178,321 3,681,176    
Commercial lending portfolio [member] | Collateralized pledges | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 3,414,726 3,345,798    
Commercial lending portfolio [member] | Collateralized other assets | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 7,911,120 6,671,703    
Interbank and overnight funds [member] | Financial assets at amortised cost, category [member]        
Disclosure of financial assets [line items]        
Financial assets 1,777,368 704,260    
Interbank and overnight funds [member] | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 1,777,516 705,055 392,607 5,967,743
Interbank and overnight funds [member] | Unsecured credits | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 1,757,987 477,144    
Interbank and overnight funds [member] | Collateralized other assets | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 19,529 227,911    
Loans to consumers [member] | Financial assets at amortised cost, category [member]        
Disclosure of financial assets [line items]        
Financial assets 56,791,437 57,810,307    
Loans to consumers [member] | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 60,456,213 61,976,325 59,999,611 59,419,444
Loans to consumers [member] | Unsecured credits | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 55,974,691 55,712,783    
Loans to consumers [member] | Loans secured by other banks | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 51 247    
Loans to consumers [member] | Collateralized Mortgages | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 156,255 136,137    
Loans to consumers [member] | Collateralized other real estate | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 81,630 255,098    
Loans to consumers [member] | Collateralized deposits in cash or cash equivalents | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 590 202,268    
Loans to consumers [member] | Collateralized leased machineries and vehicles | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 12,663 18,212    
Loans to consumers [member] | Collateralized fiduciary agreements stand by letters and guarantee funds | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 20,279 20,411    
Loans to consumers [member] | Collateralized pledges | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 4,181,387 5,554,335    
Loans to consumers [member] | Collateralized other assets | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 28,667 76,834    
Mortgages [member] | Financial assets at amortised cost, category [member]        
Disclosure of financial assets [line items]        
Financial assets 21,609,555 21,562,412    
Mortgages [member] | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 22,111,710 22,035,727 18,486,206 17,883,355
Mortgages [member] | Unsecured credits | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 1,786 804    
Mortgages [member] | Collateralized Mortgages | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 19,587,117 19,694,826    
Mortgages [member] | Collateralized other real estate | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 110 862    
Mortgages [member] | Collateralized leased machineries and vehicles | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 2,516,519 2,320,866    
Mortgages [member] | Collateralized fiduciary agreements stand by letters and guarantee funds | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 6,178 18,366    
Mortgages [member] | Collateralized pledges | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets   3    
Microcredit [member] | Financial assets at amortised cost, category [member]        
Disclosure of financial assets [line items]        
Financial assets 560 757    
Microcredit [member] | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 1,520 4,375 $ 277,529 $ 267,720
Microcredit [member] | Unsecured credits | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 1,114 3,601    
Microcredit [member] | Collateralized Mortgages | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets 32 42    
Microcredit [member] | Collateralized other real estate | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets $ 374 481    
Microcredit [member] | Collateralized fiduciary agreements stand by letters and guarantee funds | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets   245    
Microcredit [member] | Collateralized other assets | Financial assets at amortised cost, category [member] | Gross carrying amount [member]        
Disclosure of financial assets [line items]        
Financial assets   $ 6