| Trade and other non-current payables | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Trade and other non-current payables | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total trade and other non-current payables | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Trade and other non-current payables | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The amount of non-current trade payables and non-current other payables. [Refer: Other non-current payables; Non-current trade payables] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Cuentas comerciales por pagar y otras cuentas por pagar no corrientes | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total cuentas comerciales por pagar y otras cuentas por pagar no corrientes | es | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Cuentas por pagar no corrientes | es | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Total cuentas por pagar no corrientes | es | http://www.xbrl.org/2003/role/positiveLabel | http://www.xbrl.org/2003/role/link |
| Trade and other non-current payables | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Trade and other non-current payables | en | http://www.xbrl.org/2003/role/positiveLabel | http://www.xbrl.org/2003/role/link |