| Aggregate adjustment to carrying amounts of investments reported under previous GAAP | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The amount of aggregate adjustments to the carrying amounts reported under previous GAAP of investments in subsidiaries, joint ventures or associates 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 reported in separate financial statements; IFRSs [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Ajustamento agregado nas quantias escrituradas de investimentos relatados ao abrigo dos PCGA anteriores | pt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| A quantia dos ajustamentos agregados nas quantias escrituradas relatadas ao abrigo dos PCGA anteriores de investimentos em filiais, empreendimentos conjuntos ou associadas nas primeiras demonstrações financeiras segundo as IFRS da entidade. [Consultar: Associadas [member]; Quantia escriturada [member]; Empreendimentos conjuntos [member]; PCGA anteriores [member]; Filiais [member]; Investimentos em filiais, empreendimentos conjuntos e associadas relatados em demonstrações financeiras separadas. IFRS [member]] | pt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |