| Equity [member] | ||||||||||||||||||||||||||||||||
| Issued capital [member] | Share premium [member] | Treasury shares [member] | Inversión suplementaria al capital asignado [miembro] | Other equity interest [member] | Superavit por revaluación [miembro] | Other reserves [member] | Retained earnings [member] | Total Patrimonio [miembro] | ||||||||||||||||||||||||
| Reserve of exchange differences on translation [member] | Reserve of cash flow hedges [member] | Reserve of gains and losses on hedging instruments that hedge investments in equity instruments [member] | Reserve of change in value of time value of options [member] | Reserve of change in value of forward elements of forward contracts [member] | Reserve of change in value of foreign currency basis spreads [member] | Reserve of gains and losses on financial assets measured at fair value through other comprehensive income [member] | Reserve of gains and losses on remeasuring available-for-sale financial assets [member] | Reserve of share-based payments [member] | Reserve of remeasurements of defined benefit plans [member] | Amount recognised in other comprehensive income and accumulated in equity relating to non-current assets or disposal groups held for sale [member] | Coberturas de inversiones netas en negocios en el extranjero [miembro] | Reserve of gains and losses from investments in equity instruments [member] | Reserve of change in fair value of financial liability attributable to change in credit risk of liability [member] | Reserva Legal [miembro] | Reserva ocasional y/o estatutaria [miembro] | Reserva acciones propias en cartera [miembro] | Total otras reservas [miembro] | Ganancias acumuladas diferentes a las generadas por efectos de la convergencia [miembro] | Ganancias acumuladas por efectos de la convergencia [miembro] | Total ganancias acumuladas [miembro] | ||||||||||||
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||
| Equity | ||||||||||||||||||||||||||||||||
| Incremento (disminución) debido a cambios en políticas contables y correcciones de errores | ||||||||||||||||||||||||||||||||
| Saldo reexpresado del patrimonio | ||||||||||||||||||||||||||||||||
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||
| Ganancia (pérdida) | ||||||||||||||||||||||||||||||||
| Otro resultado integral | ||||||||||||||||||||||||||||||||
| Resultado integral | ||||||||||||||||||||||||||||||||
| Issue of equity | ||||||||||||||||||||||||||||||||
| Dividends recognised as distributions to owners | ||||||||||||||||||||||||||||||||
| Increase through other contributions by owners, equity | ||||||||||||||||||||||||||||||||
| Decrease through other distributions to owners, equity | ||||||||||||||||||||||||||||||||
| Increase (decrease) through other changes, equity | ||||||||||||||||||||||||||||||||
| Increase (decrease) through treasury share transactions, equity | ||||||||||||||||||||||||||||||||
| Increase (decrease) through share-based payment transactions, equity | ||||||||||||||||||||||||||||||||
| Amount removed from reserve of cash flow hedges and included in initial cost or other carrying amount of non-financial asset (liability) or firm commitment for which fair value hedge accounting is applied | ||||||||||||||||||||||||||||||||
| Amount removed from reserve of change in value of time value of options and included in initial cost or other carrying amount of non-financial asset (liability) or firm commitment for which fair value hedge accounting is applied | ||||||||||||||||||||||||||||||||
| Amount removed from reserve of change in value of forward elements of forward contracts and included in initial cost or other carrying amount of non-financial asset (liability) or firm commitment for which fair value hedge accounting is applied | ||||||||||||||||||||||||||||||||
| Amount removed from reserve of change in value of foreign currency basis spreads and included in initial cost or other carrying amount of non-financial asset (liability) or firm commitment for which fair value hedge accounting is applied | ||||||||||||||||||||||||||||||||
| Incremento (disminución) en el patrimonio | ||||||||||||||||||||||||||||||||
| Equity | ||||||||||||||||||||||||||||||||
| Equity [member] | ||||||||||||||||||||||||||||||||
| Issued capital [member] | Share premium [member] | Treasury shares [member] | Inversión suplementaria al capital asignado [miembro] | Other equity interest [member] | Superavit por revaluación [miembro] | Other reserves [member] | Retained earnings [member] | Total Patrimonio [miembro] | ||||||||||||||||||||||||
| Reserve of exchange differences on translation [member] | Reserve of cash flow hedges [member] | Reserve of gains and losses on hedging instruments that hedge investments in equity instruments [member] | Reserve of change in value of time value of options [member] | Reserve of change in value of forward elements of forward contracts [member] | Reserve of change in value of foreign currency basis spreads [member] | Reserve of gains and losses on financial assets measured at fair value through other comprehensive income [member] | Reserve of gains and losses on remeasuring available-for-sale financial assets [member] | Reserve of share-based payments [member] | Reserve of remeasurements of defined benefit plans [member] | Amount recognised in other comprehensive income and accumulated in equity relating to non-current assets or disposal groups held for sale [member] | Coberturas de inversiones netas en negocios en el extranjero [miembro] | Reserve of gains and losses from investments in equity instruments [member] | Reserve of change in fair value of financial liability attributable to change in credit risk of liability [member] | Reserva Legal [miembro] | Reserva ocasional y/o estatutaria [miembro] | Reserva acciones propias en cartera [miembro] | Total otras reservas [miembro] | Ganancias acumuladas diferentes a las generadas por efectos de la convergencia [miembro] | Ganancias acumuladas por efectos de la convergencia [miembro] | Total ganancias acumuladas [miembro] | ||||||||||||
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||
| Equity | ||||||||||||||||||||||||||||||||
| Incremento (disminución) debido a cambios en políticas contables y correcciones de errores | ||||||||||||||||||||||||||||||||
| Saldo reexpresado del patrimonio | ||||||||||||||||||||||||||||||||
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||
| Ganancia (pérdida) | ||||||||||||||||||||||||||||||||
| Otro resultado integral | ||||||||||||||||||||||||||||||||
| Resultado integral | ||||||||||||||||||||||||||||||||
| Issue of equity | ||||||||||||||||||||||||||||||||
| Dividends recognised as distributions to owners | ||||||||||||||||||||||||||||||||
| Increase through other contributions by owners, equity | ||||||||||||||||||||||||||||||||
| Decrease through other distributions to owners, equity | ||||||||||||||||||||||||||||||||
| Increase (decrease) through other changes, equity | ||||||||||||||||||||||||||||||||
| Increase (decrease) through treasury share transactions, equity | ||||||||||||||||||||||||||||||||
| Increase (decrease) through share-based payment transactions, equity | ||||||||||||||||||||||||||||||||
| Amount removed from reserve of cash flow hedges and included in initial cost or other carrying amount of non-financial asset (liability) or firm commitment for which fair value hedge accounting is applied | ||||||||||||||||||||||||||||||||
| Amount removed from reserve of change in value of time value of options and included in initial cost or other carrying amount of non-financial asset (liability) or firm commitment for which fair value hedge accounting is applied | ||||||||||||||||||||||||||||||||
| Amount removed from reserve of change in value of forward elements of forward contracts and included in initial cost or other carrying amount of non-financial asset (liability) or firm commitment for which fair value hedge accounting is applied | ||||||||||||||||||||||||||||||||
| Amount removed from reserve of change in value of foreign currency basis spreads and included in initial cost or other carrying amount of non-financial asset (liability) or firm commitment for which fair value hedge accounting is applied | ||||||||||||||||||||||||||||||||
| Incremento (disminución) en el patrimonio | ||||||||||||||||||||||||||||||||
| Equity | ||||||||||||||||||||||||||||||||