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31. Expenses by nature (Details Narrative) - ARS ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Expenses By Nature Details Narrative Abstract |  |  |
Expenses capitalized in property, plant and equipment | $ 1,000,000 | $ 869,700 | $ 602,000

X
- References No definition available. + Details
Name: | EDN_ExpensesByNatureDetailsNarrativeAbstract
Namespace Prefix: | EDN_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | EDN_ExpensesCapitalised
Namespace Prefix: | EDN_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration