| Decrease through transfer to liabilities included in disposal groups classified as held for sale, other provisions | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Decrease through transfer to liabilities included in disposal groups classified as held for sale, other provisions | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The decrease in other provisions resulting from the transfer of those provisions to liabilities included in disposal groups classified as held for sale. [Refer: Other provisions; Disposal groups classified as held for sale [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Disminución por transferencias a pasivos incluidos en grupos de activos para su disposición clasificados como mantenidos para la venta, otras provisiones | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Disminución por transferencias a pasivos incluidos en grupos de activos para su disposición clasificados como mantenidos para la venta, otras provisiones | es | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |