| Aggregate deemed cost of investments for which deemed cost is previous GAAP carrying amount | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The amount of aggregate deemed cost of investments in subsidiaries, joint ventures or associates for which deemed cost is their previous GAAP carrying amount in the entity's first IFRS financial statements. [Refer: Associates [member]; Carrying amount [member]; Joint ventures [member]; Previous GAAP [member]; Subsidiaries [member]; Investments in subsidiaries, joint ventures and associates; IFRSs [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Custo considerado agregado de investimentos para os quais o custo considerado seja a quantia escriturada ao abrigo dos PCGA anteriores | pt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| A quantia do custo considerado agregado de investimentos em subsidiárias, empreendimentos conjuntos ou associadas para os quais o custo considerado seja a quantia escriturada ao abrigo dos PCGA anteriores nas primeiras demonstrações financeiras segundo as IFRS da entidade. [Consultar: Associadas [member]; Quantia escriturada [member]; Empreendimentos conjuntos [member]; PCGA anteriores [member]; Subsidiárias [member]; Investimentos em subsidiárias, empreendimentos conjuntos e associadas; IFRS [member]] | pt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |