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RISK MANAGEMENT - Investment price risk in equity instruments (Details) - Equity investments [member] - Investment securities at fair value [member] - Financial assets at fair value through profit or loss, classified as held for trading, category, International Financial Reporting Standards 9 [member] - COP ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Disclosure of financial assets [line items]
Investment subject to Regulatory VaR	$ 101,483	$ 43,765
Regulatory VaR	$ 14,918	$ 6,433
Percentage of Portfolio subject to VaR	100.00%	100.00%
Later than three years [member]
Disclosure of financial assets [line items]
Investment subject to Regulatory VaR	$ 101,483	$ 43,765
Regulatory VaR	$ 14,918	$ 6,433
Percentage of Portfolio subject to VaR	100.00%	100.00%

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- Definition

The amount of investment subject to value at risk.

+ References

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- Definition

Represents information pertaining to percentage of portfolio investments subject to value at risk.

+ References

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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

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- Definition

The measure of a potential loss exposure as a result of future market movements, based on a specified confidence interval and measurement horizon.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 41
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_41&doctype=Standard
-URIDate 2024-03-27

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