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Schedule of analysis of deferred tax assets and liabilities (Details) - ARS ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
IfrsStatementLineItems [Line Items] |  |  |
Tax loss carryforward |  | $ 374 |
Trade receivables and other receivables | 2,233 | 2,038 |
Trade payables and other payables | 1,201 | 1,022 | 1,236
Salaries and social security taxes payable | 532 | 385 | 232
Benefit plans | 18 | 116 | 222
Tax liabilities | 25 | 29 | 38
Provisions | 1,616 | 1,234 | 1,382
Deferred tax asset | 5,625 | 5,198 | 4,247
Property, plant and equipment | (50,984) | (35,283) | (40,347)
Financial assets at fair value through profit or loss | (382) | (450) | (427)
Borrowings | (1) | (3) | (8)
Tax inflation adjustment | (3,696) | (5,236) | (4,658)
Deferred tax liability | (55,063) | (40,972) | (45,440)
Net deferred tax liabilities | (49,438) | (35,774) | (41,193)
Inventories |  | 2,038 | $ 1,137
Deferred tax asset | 5,625 | 5,198 |
Deferred tax liability | (55,063) | (40,972) |
Recovered in more than12 months member |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred tax asset | 5,625 | 5,198 |
Deferred tax liability | (55,063) | (40,972) |
Result fromexposure to inflation member |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Tax loss carryforward | (126) |  |
Trade receivables and other receivables | (687) |  |
Trade payables and other payables | (345) | (327) |
Salaries and social security taxes payable | (130) | (60) |
Benefit plans | (39) | (59) |
Tax liabilities | (10) | (11) |
Provisions | (416) | (367) |
Deferred tax asset | (1,753) | (1,126) |
Property, plant and equipment | 11,899 | 10,710 |
Financial assets at fair value through profit or loss | 152 | 113 |
Borrowings | 1 | 3 |
Tax inflation adjustment | 1,766 | 1,237 |
Deferred tax liability | 13,818 | 12,063 |
Net deferred tax liabilities | 12,065 | 10,937 |
Inventories |  | (302) |
Charged to profit and loss member |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Tax loss carryforward | (248) | 374 |
Trade receivables and other receivables | 882 |  |
Trade payables and other payables | 524 | 113 |
Salaries and social security taxes payable | 277 | 213 |
Benefit plans | 11 | 2 |
Tax liabilities | 6 | 2 |
Provisions | 798 | 219 |
Deferred tax asset | 2,250 | 2,126 |
Property, plant and equipment | (27,600) | (5,646) |
Financial assets at fair value through profit or loss | (84) | (136) |
Borrowings | 1 | 2 |
Tax inflation adjustment | (226) | (1,815) |
Deferred tax liability | (27,909) | (7,595) |
Net deferred tax liabilities | (25,659) | (5,469) |
Inventories |  | 1,203 |
Charged to other comprehensive income member |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Tax loss carryforward |  |  |
Trade receivables and other receivables |  |  |
Trade payables and other payables |  |  |
Salaries and social security taxes payable |  |  |
Benefit plans | (70) | (49) |
Tax liabilities |  |  |
Provisions |  |  |
Deferred tax asset | (70) | (49) |
Property, plant and equipment |  |  |
Financial assets at fair value through profit or loss |  |  |
Borrowings |  |  |
Tax inflation adjustment |  |  |
Deferred tax liability |  |  |
Net deferred tax liabilities | $ (70) | (49) |
Inventories |  |  |

X
- Definition The element represents deferred tax assets benefit plans. + References No definition available. + Details
Name: | edn_DeferredTaxAssetsBenefitPlans
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The element represents deferred tax assets inventories. + References No definition available. + Details
Name: | edn_DeferredTaxAssetsInventories
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The element represents deferred tax assets provisions. + References No definition available. + Details
Name: | edn_DeferredTaxAssetsProvisions
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The element represents deferred tax assets salaries and social security taxes payable. + References No definition available. + Details
Name: | edn_DeferredTaxAssetsSalariesAndSocialSecurityTaxesPayable
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The element represents deferred tax assets tax liabilities. + References No definition available. + Details
Name: | edn_DeferredTaxAssetsTaxLiabilities
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The element represents deferred tax assets trade payables and other payables. + References No definition available. + Details
Name: | edn_DeferredTaxAssetsTradePayablesAndOtherPayables
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The element represents deferred tax assets trade receivables and other receivables. + References No definition available. + Details
Name: | edn_DeferredTaxAssetsTradeReceivablesAndOtherReceivables
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The element represents deferred tax liabilities borrowings. + References No definition available. + Details
Name: | edn_DeferredTaxLiabilitiesBorrowings
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The element represents deferred tax liabilities financial assets at fair value through profit or loss. + References No definition available. + Details
Name: | edn_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughProfitOrLoss
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The element represents deferred tax liabilities property plant equipment. + References No definition available. + Details
Name: | edn_DeferredTaxLiabilitiesPropertyPlantEquipment
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The element represents deferred tax liabilities tax inflation adjustment. + References No definition available. + Details
Name: | edn_DeferredTaxLiabilitiesTaxInflationAdjustment
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The element represents gross deferred tax assets. + References No definition available. + Details
Name: | edn_GrossDeferredTaxAssets
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The element represents gross deferred tax liabilities. + References No definition available. + Details
Name: | edn_GrossDeferredTaxLiabilities
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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

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- Definition The element represents tax loss carryforwards. + References No definition available. + Details
Name: | edn_TaxLossCarryforwards
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph o -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_o&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 56 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_56&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_DeferredTaxAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of deferred tax assets net of deferred tax liabilities, when the absolute amount of deferred tax assets is greater than the absolute amount of deferred tax liabilities. [Refer: Deferred tax assets; Deferred tax liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_NetDeferredTaxAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of deferred tax liabilities net of deferred tax assets, when the absolute amount of deferred tax liabilities is greater than the absolute amount of deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_NetDeferredTaxLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | ifrs-full_RangeAxis=edn_RecoveredInMoreThan12MonthsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | edn_DeferredTaxAssetsLiabilitiesAxis=edn_ResultFromexposureToInflationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | edn_DeferredTaxAssetsLiabilitiesAxis=edn_ChargedToProfitAndLossMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | edn_DeferredTaxAssetsLiabilitiesAxis=edn_ChargedToOtherComprehensiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |