| Proceeds from sales of other long-term assets, classified as investing activities | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Proceeds from sales of other long-term assets, classified as investing activities | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Proceeds from sales of other long-term assets | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Proceeds from sales of other long-term assets | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| The cash inflow from sales of long-term assets that the entity does not separately disclose in the same statement or note, classified as investing activities. [Refer: Assets] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Recursos por ventas de otros activos a largo plazo, clasificados como actividades de inversión | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Importes procedentes de otros activos a largo plazo | es | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Importes procedentes de otros activos a largo plazo, clasificados como actividades de inversión | es | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |
| Proceeds from sales of other long-term assets, classified as investing activities | en | http://www.xbrl.org/2009/role/negatedTotalLabel | http://www.xbrl.org/2003/role/link |