| Name | ReclassificationAdjustmentsOnNetMovementInRegulatoryDeferralAccountBalancesBeforeTax |
|---|---|
| Namespace | http://xbrl.ifrs.org/taxonomy/2020-03-16/ifrs-full |
| Prefix | ifrs-full |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Reclassification adjustments on net movement in regulatory deferral account balances, before tax | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Reclassification adjustments on net movement in regulatory deferral account balances, before tax | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The amount of reclassification adjustments related to the net movement in regulatory deferral account balances, before tax. Reclassification adjustments are amounts reclassified to profit (loss) in the current period that were recognised in other comprehensive income in the current or previous periods. [Refer: Regulatory deferral account balances [member]; Other comprehensive income] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Ajustamentos de reclassificação do movimento líquido nos saldos dos diferimentos regulamentares, antes de impostos | pt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| A quantia dos ajustamentos de reclassificação relacionados com o movimento líquido nos saldos dos diferimentos regulamentares, antes de impostos. Os ajustamentos de reclassificação são quantias reclassificadas para lucros (perdas) do período corrente que foram reconhecidas noutro rendimento integral nos períodos corrente ou anteriores. [Consultar: Saldos dos diferimentos regulamentares [member]; Outro rendimento integral] | 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 | 2020-01-01 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 22 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | b | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2020-en-r&anchor=para_22_b&doctype=Standard | http://www.xbrl.org/2003/role/disclosureRef |
| URIDate | 2020-01-01 | http://www.xbrl.org/2003/role/disclosureRef |
| 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:OtherComprehensiveIncomeBeforeTaxNetMovementInRegulatoryDeferralAccountBalancesRelatedToItemsThatWillBeReclassifiedToProfitOrLossAbstract | parent-child | http://www.esma.europa.eu/xbrl/role/all/ifrs_14_role-824500 | |
ifrs-full:OtherComprehensiveIncomeBeforeTaxNetMovementInRegulatoryDeferralAccountBalancesRelatedToItemsThatWillBeReclassifiedToProfitOrLoss | summation-item | http://www.esma.europa.eu/xbrl/role/all/ifrs_14_role-824500 |