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v3.19.1

6. Critical accounting estimates and judgments (Details) | 12 Months Ended
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Dec. 31, 2018
0 - 30 days |
DisclosureOfCriticalAccountingEstimatesAndJudgmentsLineItems [Line Items] |
Loss expected percentage | 8.00%
30 - 60 days |
DisclosureOfCriticalAccountingEstimatesAndJudgmentsLineItems [Line Items] |
Loss expected percentage | 12.00%
60 - 90 days |
DisclosureOfCriticalAccountingEstimatesAndJudgmentsLineItems [Line Items] |
Loss expected percentage | 19.00%
90 - 120 days |
DisclosureOfCriticalAccountingEstimatesAndJudgmentsLineItems [Line Items] |
Loss expected percentage | 26.00%
120 - 150 days |
DisclosureOfCriticalAccountingEstimatesAndJudgmentsLineItems [Line Items] |
Loss expected percentage | 59.00%
+ 150 days |
DisclosureOfCriticalAccountingEstimatesAndJudgmentsLineItems [Line Items] |
Loss expected percentage | 69.00%

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

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- References No definition available. + Details
Name: | EDN_ImpairmentLossExpectedPercentage
Namespace Prefix: | EDN_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

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

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