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RISK MANAGEMENT - Mitigation of credit risk, collateral and other (Details) - COP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of financial assets [line items] |  |
Credit exposure | $ 292,433,720 | $ 269,560,244
Loan portfolio [member] | Financial assets at amortised cost, category [member] |  |
Disclosure of financial assets [line items] |  |
Credit exposure | 200,136,125 | 186,203,770
Mortgages [member] | Financial assets at amortised cost, category [member] |  |
Disclosure of financial assets [line items] |  |
Credit exposure | 22,035,727 | 18,486,206
Less than 50% | Mortgages [member] | Financial assets at amortised cost, category [member] |  |
Disclosure of financial assets [line items] |  |
Credit exposure | 9,427,666 | 7,784,742
51 - 70% | Mortgages [member] | Financial assets at amortised cost, category [member] |  |
Disclosure of financial assets [line items] |  |
Credit exposure | 7,820,690 | 6,379,677
71 - 90% | Mortgages [member] | Financial assets at amortised cost, category [member] |  |
Disclosure of financial assets [line items] |  |
Credit exposure | 3,964,073 | 3,281,508
91 - 100% | Mortgages [member] | Financial assets at amortised cost, category [member] |  |
Disclosure of financial assets [line items] |  |
Credit exposure | 556,783 | 771,664
More than 100% | Mortgages [member] | Financial assets at amortised cost, category [member] |  |
Disclosure of financial assets [line items] |  |
Credit exposure | 266,515 | 268,615
Financial instruments credit-impaired [member] | Mortgages [member] | Financial assets at amortised cost, category [member] |  |
Disclosure of financial assets [line items] |  |
Credit exposure | 795,165 | 604,424
Financial instruments credit-impaired [member] | Less than 50% | Mortgages [member] | Financial assets at amortised cost, category [member] |  |
Disclosure of financial assets [line items] |  |
Credit exposure | 205,345 | 146,489
Financial instruments credit-impaired [member] | 51 - 70% | Mortgages [member] | Financial assets at amortised cost, category [member] |  |
Disclosure of financial assets [line items] |  |
Credit exposure | 320,667 | 252,655
Financial instruments credit-impaired [member] | More than 70% | Mortgages [member] | Financial assets at amortised cost, category [member] |  |
Disclosure of financial assets [line items] |  |
Credit exposure | $ 269,153 | $ 205,280

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- Definition The maximum exposure to the credit risk of financial assets designated as measured at fair value through profit or loss. [Refer: Credit risk [member]; Maximum exposure to credit risk] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 9 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_9_a&doctype=Standard -URIDate 2024-03-27 + Details
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