Schedule of allowance for the impairment of trade receivables (Details) - ARS ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Balance at beginning of the year	$ 6,948	$ 3,176
Increase	1,967	6,296
Decrease	(211)	(928)
Result from exposure to inflation	(2,698)	(1,596)
Balance at end of the year	$ 6,006	$ 6,948

The element represents allowance for impairment of trade receivables.

No definition available.

Name:	edn_AllowanceForImpairmentOfTradeReceivables
Namespace Prefix:	edn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The element represents allowance for impairment of trade receivables previously stated.

No definition available.

Name:	edn_AllowanceForImpairmentOfTradeReceivablesPreviouslyStated
Namespace Prefix:	edn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The element represents decrease in allowance for impairment of trade receivables.

No definition available.

Name:	edn_DecreaseInAllowanceForImpairmentOfTradeReceivables
Namespace Prefix:	edn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The element represents increase in allowance for impairment of trade receivables.

No definition available.

Name:	edn_IncreaseInAllowanceForImpairmentOfTradeReceivables
Namespace Prefix:	edn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The element represents result from exposure to inflation in allowance for impairment of trade receivables.

No definition available.

Name:	edn_ResultFromExposureToInflationInAllowanceForImpairmentOfTradeReceivables
Namespace Prefix:	edn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration