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23 Share capital and additional paid-in capital (Details) - ARS ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Disclosure of share capital and additional paid in capital [line items] |  |
Share capital and additional paid-in capital balance | $ 38,596 | $ 38,596
Share Capital [member] |  |
Disclosure of share capital and additional paid in capital [line items] |  |
Share capital and additional paid-in capital balance | 38,092 | 38,092
Additional Paid-in Capital [member] |  |
Disclosure of share capital and additional paid in capital [line items] |  |
Share capital and additional paid-in capital balance | $ 504 | $ 504

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- Definition Schedule of share capital and additional paid in capital line items. + References No definition available. + Details
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- Definition The amount of equity interest of an entity without share capital that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78_e&doctype=Standard -URIDate 2020-01-01 + Details
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- Details
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- Details
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