| Name | RegulatoryDeferralAccountCreditBalancesAndRelatedDeferredTaxLiability |
|---|---|
| Namespace | http://xbrl.ifrs.org/taxonomy/2019-03-27/ifrs-full |
| Prefix | ifrs-full |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Regulatory deferral account credit balances and related deferred tax liability | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total regulatory deferral account credit balances and related deferred tax liability | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The amount of regulatory deferral account credit balances and the related deferred tax liability. [Refer: Regulatory deferral account credit balances; Deferred tax liability associated with regulatory deferral account balances] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Saldos credores dos diferimentos regulamentares e passivos por impostos diferidos relacionados | pt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| A quantia dos saldos credores dos diferimentos regulamentares e dos passivos por impostos diferidos relacionados. [Consultar: Saldos credores dos diferimentos regulamentares; Passivo por impostos diferidos associado aos saldos dos diferimentos regulamentares] | pt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | IFRS | http://www.xbrl.org/2003/role/disclosureRef |
| Number | 14 | http://www.xbrl.org/2003/role/disclosureRef |
| IssueDate | 2019-01-01 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 24 | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2019-en-r&anchor=para_24&doctype=Standard | http://www.xbrl.org/2003/role/disclosureRef |
| URIDate | 2019-03-27 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | IFRS | http://www.xbrl.org/2003/role/disclosureRef |
| Number | 14 | http://www.xbrl.org/2003/role/disclosureRef |
| IssueDate | 2019-01-01 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | B11 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | a | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2019-en-r&anchor=para_B11_a&doctype=Appendix&subtype=B | http://www.xbrl.org/2003/role/disclosureRef |
| URIDate | 2019-03-27 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
ifrs-full:RegulatoryDeferralAccountCreditBalances | summation-item | http://www.esma.europa.eu/xbrl/role/all/ifrs_14_role-824500 | |
ifrs-full:DeferredTaxLiabilityAssociatedWithRegulatoryDeferralAccountBalances | summation-item | http://www.esma.europa.eu/xbrl/role/all/ifrs_14_role-824500 |
| Name | Relation Type | Role | |
|---|---|---|---|
esma_technical:NullItems | domain-member | http://www.esma.europa.eu/xbrl/role/ext/BlockDefaultUseOfLineItemsSegment | |
esma_technical:NullItems | domain-member | http://www.esma.europa.eu/xbrl/role/ext/BlockDefaultUseOfLineItemsScenario | |
ifrs-full:RegulatoryDeferralAccountCreditBalancesAndRelatedDeferredTaxLiabilityAbstract | parent-child | http://www.esma.europa.eu/xbrl/role/all/ifrs_14_role-824500 |