XML 597 R244.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

GOODWILL - Cash-generating units - Acquisitions (Details) | 7 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2023 | May 22, 2020
Banco de Credito y Desarrollo Social [member] |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Percentage of voting equity interests acquired |  | 94.99% |
Banco Popular S.A. |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Percentage of voting equity interests acquired |  | 93.74% |
Multi Financial Group Inc [member] |  |  |
Disclosure of detailed information about business combination [line items] |  |  |
Percentage of voting equity interests acquired | 99.60% |  | 96.60%
Percentage of additional voting equity interests | 2.97% |  |

X
- Definition Percentage of additional voting equity interests + References No definition available. + Details
Name: | aval_PercentageOfAdditionalVotingEquityInterestsAcquired
Namespace Prefix: | aval_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | ifrs-full_DisclosureOfBusinessCombinationsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2023-01-01 -Paragraph B64 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B -URIDate 2023-03-23 + Details
Name: | ifrs-full_PercentageOfVotingEquityInterestsAcquired
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=aval_BancoDeCreditoYDesarrolloSocialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=aval_BancoPopularSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=aval_MultiFinancialGroupIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |