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INVESTMENT SECURITIES - Investment in debt at amortized cost pledged as collateral (Details) - Financial assets at amortised cost, category [member] - COP ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Debt securities [member] |  |
Disclosure of financial assets [line items] |  |
Financial assets pledged as collateral | $ 3,208,890 | $ 1,379,758
Debt securities [member] | Pledged in money market operations |  |
Disclosure of financial assets [line items] |  |
Financial assets pledged as collateral | 2,275,917 | 380,197
Debt securities [member] | Pledged as collateral to special entities such as CRCC, BR and BVC |  |
Disclosure of financial assets [line items] |  |
Financial assets pledged as collateral | 932,973 | 999,561
Securities issued or secured by Colombian Government | Pledged in money market operations |  |
Disclosure of financial assets [line items] |  |
Financial assets pledged as collateral | 489,631 |
Securities issued or secured by Colombian Government | Pledged as collateral to special entities such as CRCC, BR and BVC |  |
Disclosure of financial assets [line items] |  |
Financial assets pledged as collateral | 539,339 |
Securities issued or secured by other Colombian Government entities | Pledged in money market operations |  |
Disclosure of financial assets [line items] |  |
Financial assets pledged as collateral | 1,667,922 | 118,536
Securities issued or secured by other Colombian Government entities | Pledged as collateral to special entities such as CRCC, BR and BVC |  |
Disclosure of financial assets [line items] |  |
Financial assets pledged as collateral | 393,634 | 999,561
Securities issued or secured by other financial entities | Pledged in money market operations |  |
Disclosure of financial assets [line items] |  |
Financial assets pledged as collateral |  | 25,449
Securities issued or secured by non-financial sector entities | Pledged in money market operations |  |
Disclosure of financial assets [line items] |  |
Financial assets pledged as collateral | $ 118,364 | $ 236,212

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of financial assets that the entity has pledged as collateral for liabilities or contingent liabilities, including amounts that have been reclassified in accordance with paragraph 3.2.23(a) of IFRS 9. [Refer: Contingent liabilities [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 14 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_14_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Details
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