HEDGE ACCOUNTING - Accumulated OCI (Details) - COP ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disclosure of detailed information about hedging instruments [line items]
Balance at the beginning of the year	$ (544,219)
Changes in the fair value bonds	290,829	$ 145,737	$ (475,612)
Changes in the fair value other accounts receivable	184,902	(258,982)
Balance at the end of the year	(243,983)	(544,219)
Cash flow hedges [member]
Disclosure of detailed information about hedging instruments [line items]
Balance at the beginning of the year	(30,381)	5,542	7,938
Changes in the fair value FwD - Future transactions	6,365	(26,203)	6,995
Changes in the fair value FwD - financial obligations	43,724	(32,672)
Changes in the fair value Interest Rate Swaps (IRS)	7,752
Changes in the fair value bonds	(184,902)	270,064
Changes in the fair value other accounts receivable	184,902	(258,982)
Reclassified to profit or loss	(2,760)	11,870	(9,391)
Balance at the end of the year	$ 24,700	$ (30,381)	$ 5,542

The amount of other comprehensive income, net of tax, related to change in value of interest rate swap contract.

No definition available.

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- Definition

Other comprehensive income, net of tax, change in value of other accounts receivable.

+ References

No definition available.

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- Definition

Other comprehensive income reclassification for adjustment.

+ References

No definition available.

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- Definition

The amount of accumulated items of income and expense (including reclassification adjustments) that are not recognised in profit or loss as required or permitted by other IFRSs. [Refer: IFRSs [member]; Other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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.

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- Definition

The amount of other comprehensive income, net of tax, related to changes in the fair value of financial liabilities attributable to the changes in the credit risk of those liabilities. [Refer: Other comprehensive income; Credit risk [member]; Financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The amount of other comprehensive income, net of tax, related to change in value of forward elements of forward contracts that hedge transaction related hedged items. [Refer: Other comprehensive income]

+ References

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- Definition

The amount of other comprehensive income, net of tax, related to gains (losses) from changes in the fair value of investments in equity instruments that the entity has designated at fair value through other comprehensive income applying paragraph 5.7.5 of IFRS 9. [Refer: Other comprehensive income]

+ References

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