| Profit (loss), including net movement in regulatory deferral account balances related to profit or loss and net movement in related deferred tax | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The profit (loss) that includes the net movement in regulatory deferral account balances related to profit or loss and the net movement in related deferred tax. [Refer: Net movement in regulatory deferral account balances related to profit or loss; Net movement in deferred tax arising from regulatory deferral account balances related to profit or loss; Profit (loss)] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Ganancia (pérdida) que incluye el movimiento neto en saldos de cuentas de diferimientos de actividades reguladas relacionados con el resultado del periodo y el movimiento neto de impuestos diferidos relacionados | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |