Note 41 - Fair Values of Financial Instruments - Transfers Between Hierarchy Levels from Level 1 to Level 2 (Details) - ARS ($)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Argentine Bond In Pesos 2038 Member
DisclosureOfTransfersBetweenHierarchyLevelsFromLevel1ToLevel2LineItems
Transfers from Level 1 to Level 2	$ 1,615,000	$ 0

The amount of transfers out of Level 1 and into Level 2 of the fair value hierarchy of assets held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 13
-IssueDate 2018-01-01
-Paragraph 93
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2018-03-01&anchor=para_93_c&doctype=Standard
-URIDate 2018-03-16

Name:	ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration