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18 Trade receivables (Details 3) $ in Millions | Dec. 31, 2020 ARS ($)
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5% increase in the uncollectibility rate estimate [member] |
Summary of trade receivables [line items] |
Allowance | $ 4,835
Variation | 230
5% decrease in the uncollectibility rate estimate [member] |
Summary of trade receivables [line items] |
Allowance | 4,374
Variation | $ (231)

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- Definition The amount of allowance for Impairment of trade receivables change. + References No definition available. + Details
Name: | edn_AllowanceForImpairmentOfTradeReceivablesChange
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of allowance for impairment of trade receivable contingencies. + References No definition available. + Details
Name: | edn_AllowanceForImpairmentOfTradeReceivablesContingencies
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

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