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RISK MANAGEMENT - Loans individually evaluated for impairment (Details) - COP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | $ 304,853,883 | $ 280,746,878
Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets, loans, collateral guarantees | 1,616,823 | 1,317,353
Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Without recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets, loans, collateral guarantees | 262,373 | 239,937
Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | With recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets, loans, collateral guarantees | 1,354,450 | 1,077,416
Commercial lending portfolio [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets, loans, collateral guarantees | 1,610,521 | 1,315,383
Commercial lending portfolio [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Without recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets, loans, collateral guarantees | 262,373 | 239,937
Commercial lending portfolio [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | With recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets, loans, collateral guarantees | 1,348,148 | 1,075,446
Loans to consumers [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets, loans, collateral guarantees | 4,332 |
Loans to consumers [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | With recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets, loans, collateral guarantees | 4,332 |
Mortgages [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets, loans, collateral guarantees | 1,970 | 1,970
Mortgages [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | With recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets, loans, collateral guarantees | 1,970 | 1,970
Gross carrying amount [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | 8,064,989 | 7,336,775
Gross carrying amount [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Without recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | 262,667 | 240,358
Gross carrying amount [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | With recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | 7,802,322 | 7,096,417
Gross carrying amount [member] | Commercial lending portfolio [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | 8,038,649 | 7,321,116
Gross carrying amount [member] | Commercial lending portfolio [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Without recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | 262,667 | 240,358
Gross carrying amount [member] | Commercial lending portfolio [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | With recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | 7,775,982 | 7,080,758
Gross carrying amount [member] | Loans to consumers [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | 6,512 | 3,144
Gross carrying amount [member] | Loans to consumers [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | With recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | 6,512 | 3,144
Gross carrying amount [member] | Mortgages [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | 19,828 | 12,515
Gross carrying amount [member] | Mortgages [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | With recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | 19,828 | 12,515
Accumulated impairment [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | (10,478,009) | (10,521,501)
Accumulated impairment [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | (7,018,695) | (7,081,394)
Accumulated impairment [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | (2,965,432) | (3,209,266)
Accumulated impairment [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | With recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | (2,965,432) | (3,209,266)
Accumulated impairment [member] | Commercial lending portfolio [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | (2,950,023) | (3,196,800)
Accumulated impairment [member] | Commercial lending portfolio [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | With recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | (2,950,023) | (3,196,800)
Accumulated impairment [member] | Loans to consumers [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | (3,868) | (1,959)
Accumulated impairment [member] | Loans to consumers [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | With recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | (3,868) | (1,959)
Accumulated impairment [member] | Mortgages [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | (11,541) | (10,507)
Accumulated impairment [member] | Mortgages [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | With recognized provision | Expected credit losses individually assessed [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Financial assets | $ (11,541) | $ (10,507)

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- Definition The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Classes of financial instruments [domain]; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_25&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 35H -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_35H&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 35M -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_35M&doctype=Standard -URIDate 2024-03-27 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 35N -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_35N&doctype=Standard -URIDate 2024-03-27 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 35I -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_35I&doctype=Standard -URIDate 2024-03-27 + Details
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