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18 Trade receivables (Details 3) $ in Millions	Dec. 31, 2020 ARS ($)
5% increase in the uncollectibility rate estimate [member]
Summary of trade receivables [line items]
Allowance	$ 4,835
Variation	230
5% decrease in the uncollectibility rate estimate [member]
Summary of trade receivables [line items]
Allowance	4,374
Variation	$ (231)

X

- Definition

The amount of allowance for Impairment of trade receivables change.

+ References

No definition available.

+ Details

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

X

- Definition

The amount of allowance for impairment of trade receivable contingencies.

+ References

No definition available.

+ Details

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

X

- Definition

Schedule of summary of trade receivables line items.

+ References

No definition available.

+ Details

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

X

- Details

Name:	ifrs-full_RangeAxis=edn_FivePercentIncreaseInUncollectiibilityRateEstimateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=edn_FivePercentDecreaseInUncollectiibilityRateEstimateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: