| Fair value of transferred financial assets (associated financial liabilities) that are not derecognised in their entirety | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Net fair value of transferred financial assets (associated financial liabilities) that are not derecognised in their entirety | en | http://www.xbrl.org/2009/role/netLabel | http://www.xbrl.org/2003/role/link |
| The difference between the fair value of transferred financial assets that have not been derecognised in their entirety and their associated liabilities. [Refer: Financial assets] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Valor razonable de activos financieros transferidos (pasivos financieros asociados) que no se han dado de baja en cuentas en su totalidad | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Valor razonable neto de activos financieros transferidos (pasivos financieros asociados) que no se han dado de baja en cuentas en su totalidad | es | http://www.xbrl.org/2009/role/netLabel | http://www.xbrl.org/2003/role/link |