Financial instruments risks - Summary of Net Credit Risk Exposure Explanatory (Details) - ARS ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Disclosure of nature and extent of risks arising from financial instruments [abstract]
Maximum exposure to credit risk	$ 28,583,333,619	$ 20,193,284,959
Collateral held or other credit enhancements	(5,453,665,758)	(3,743,925,586)
Total net credit risk exposure	$ 23,129,667,861	$ 16,449,359,373

The amount that best represents the maximum exposure to credit risk without taking into account any collateral held or other credit enhancements (for example, netting agreements that do not qualify for offset in accordance with IAS 32). [Refer: Credit risk [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2025-01-01
-Paragraph 35K
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35K_a&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_MaximumExposureToCreditRisk
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant