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27 Other payables (Details 3) - ARS ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Summary of other payables [line items] |  |
Total future minimum lease collections | $ 946 | $ 442
2021 [member] |  |
Summary of other payables [line items] |  |
Total future minimum lease collections | 474 | 442
2022 [member] |  |
Summary of other payables [line items] |  |
Total future minimum lease collections | $ 472 |

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- Definition The amount of expected future minimum sublease payment receivable under noncancellable subleases classified as operating lease. + References No definition available. + Details
Name: | edn_ExpectedFutureMinimumSubleasePaymentReceivableUnderNoncancellableSubleasesClassifiedAsOperatingLease
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Schedule of summary of other payables line items. + References No definition available. + Details
Name: | edn_SummaryOfOtherPayablesLineItems
Namespace Prefix: | edn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_RangeAxis=edn_TwentyTwentyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_RangeAxis=edn_TwentyTwentyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |