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27 Other payables (Details 1) - ARS ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Other Payables |  |
Balance at beginning of year | $ 301 |
Incorporation by adoption of IFRS 16 |  | 574
Increase | 246 | 4
Payments | (686) | (289)
Exchange difference and gain on net monetary position | 495 | 12
Balance at end of the year | $ 356 | $ 301

X
- Definition The amount of increase through new lease liabilities. + References No definition available. + Details
Name: | edn_IncreaseThroughNewLeasesLiabilities
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount increase through new leases liabilities from adoption of new accounting standard. + References No definition available. + Details
Name: | edn_IncreaseThroughNewLeasesLiabilitiesFromAdoptionOfNewAccountingStandard
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of lease liabilities gains losses on net monetary position. + References No definition available. + Details
Name: | edn_LeaseLiabilitiesGainsLossesOnNetMonetaryPosition
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition The amount of payment of lease liabilities. + References No definition available. + Details
Name: | edn_PaymentsOfLeaseLiabilities
Namespace Prefix: | edn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_47_b&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_LeaseLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant