XML 171 R155.htm IDEA: XBRL DOCUMENT v3.19.1

24. Post-Employment Benefits (Details 5) - yr	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Unified Plan
DisclosureOfLifeExpectancyLineItems [Line Items]
Retired participants life expectancy	14.37	14.92
Pensioner participants life expectancy	15.68	16.37
Plan III
DisclosureOfLifeExpectancyLineItems [Line Items]
Retired participants life expectancy	22.74	23.01
Pensioner participants life expectancy	27.21	27.99

X

- References

No definition available.

+ Details

Name:	ELP_DisclosureOfLifeExpectancyLineItems
Namespace Prefix:	ELP_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ELP_PensionerParticipantsLifeExpectancy
Namespace Prefix:	ELP_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ELP_RetiredParticipantsLifeExpectancy
Namespace Prefix:	ELP_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_DefinedBenefitPlansAxis=ELP_UnifiedPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_DefinedBenefitPlansAxis=ELP_PlanIIIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: