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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, 2024	Dec. 31, 2023
Debt securities [member]
Disclosure of financial assets [line items]
Financial assets pledged as collateral	$ 4,076,356	$ 3,208,890
Debt securities [member] | Pledged in money market operations
Disclosure of financial assets [line items]
Financial assets pledged as collateral	2,214,117	2,275,917
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	1,862,239	932,973
Securities issued or secured by Colombian Government | Pledged in money market operations
Disclosure of financial assets [line items]
Financial assets pledged as collateral	1,528,723	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	1,173,348	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	685,394	1,667,922
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	$ 688,891	393,634
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

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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.

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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: Classes of contingent liabilities [domain]; Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 14
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_14_a&doctype=Standard
-URIDate 2024-03-27

+ Details

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- Details

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- Details

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