| Write-downs (reversals of write-downs) of inventories [abstract] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Write-downs (reversals of write-downs) of inventories [abstract] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Rebajas (reversiones de rebajas) de inventarios [resumen] | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Bajas (reversiones) de inventarios [sinopsis] | es | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Write-downs (reversals of write-downs) of inventories [abstract] | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |