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HEDGE ACCOUNTING - Hedging of interest rate risk (Details) - COP ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Disclosure of detailed information about hedging instruments [line items]
Hedging derivatives	$ 54,019	$ 48,662
Hedges of net investment in foreign operations [member] | Banco Popular S.A. | Interest rate risk
Disclosure of detailed information about hedging instruments [line items]
Nominal amount Hedged Item Thousands of U.S. dollar	788,614
Notional amount contracts interest rate Swaps (IRS) COP	$ 298,250
% hedged	38.00%
Hedging derivatives	$ 7,752
# of contracts	9

X

- Definition

The nominal amount of a hedging item.

+ References

No definition available.

+ Details

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Namespace Prefix:	aval_
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- Definition

Notional Amount of hedging instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	aval_
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Balance Type:	credit
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- Definition

The number of contracts taken by the entity at a date.

+ References

No definition available.

+ Details

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X

- Definition

The average rate of a hedging instrument. [Refer: Hedging instruments [domain]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 23B
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_23B_b&doctype=Standard
-URIDate 2024-03-27

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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 a hedging instrument, recognised as an asset. [Refer: Hedging instruments [domain]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 24A
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_24A_a&doctype=Standard
-URIDate 2024-03-27

+ Details

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- Details

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- Details

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- Details

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