Schedule of roll forward of the allowance for the impairment of other receivables (Details) - ARS ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Other Receivables
Balance at beginning of year	$ 3,324	$ 4,501
Increase	3	140
Decrease	(1,771)
Result from exposure to inflation	(939)	(1,192)
Recovery	(588)	(125)
Balance at end of the year	$ 29	$ 3,324

The element represents allowance for impairment of other receivables.

No definition available.

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

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

No definition available.

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

No definition available.

Name:	edn_DisclosureOtherReceivablesAbstract
Namespace Prefix:	edn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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

No definition available.

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

The element represents recovery in allowance for impairment of other receivables.

No definition available.

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

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

No definition available.

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