| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Aggregated income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | en | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |
| The amount of income tax relating to amounts recognised in other comprehensive income that will not be reclassified to profit or loss. [Refer: Income tax relating to components of other comprehensive income] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Imposto sobre o rendimento relativo às componentes de outro rendimento integral que não serão reclassificadas nos resultados | pt | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| A quantia do imposto sobre o rendimento relativo às quantias reconhecidas noutro rendimento integral que não serão reclassificadas nos resultados. [Consultar: Imposto sobre o rendimento relativo às componentes de outro rendimento integral] | pt | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |