XML 166 R140.htm IDEA: XBRL DOCUMENT
v3.21.1

31 Benefit plans (Details 4) $ in Millions | Dec. 31, 2020 ARS ($)
--- | ---
Discount Rate 4% [member] |
DisclosureOfBenefitPlansLineItems [Line Items] |
Obligation | $ 910
Variation | $ 77
Percent | 9.00%
Discount Rate 6% [member] |
DisclosureOfBenefitPlansLineItems [Line Items] |
Obligation | $ 767
Variation | $ (66)
Percent | (8.00%)
Salary Increase 0% [member] |
DisclosureOfBenefitPlansLineItems [Line Items] |
Obligation | $ 764
Variation | $ (69)
Percent | (8.00%)
Salary Increase 2% [member] |
DisclosureOfBenefitPlansLineItems [Line Items] |
Obligation | $ 913
Variation | $ 80
Percent | 10.00%

X
- Definition The amount of obligation. + References No definition available. + Details
Name: | edn_BenefitPlansSensitivityAnalysisObligation
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition The increase (decrease) in a defined benefit obligation that would have been caused by an increase in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2020-01-01 -Paragraph 145 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_145_a&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The reasonably possible percentage of the increase in the actuarial assumption used to determine the present value of defined benefit obligation. [Refer: Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2020-01-01 -Paragraph 145 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_145_a&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_DefinedBenefitPlansAxis=edn_DiscountRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_DefinedBenefitPlansAxis=edn_DiscountRate1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_DefinedBenefitPlansAxis=edn_SalaryIncreaseRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_DefinedBenefitPlansAxis=edn_SalaryIncreaseRate1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |