| Temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements for which deferred tax liabilities have not been recognised | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The aggregate amount of temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements, for which deferred tax liabilities have not been recognised as a result of satisfying both of the following conditions: (a) the parent, investor, joint venturer or joint operator is able to control the timing of the reversal of the temporary difference; and (b) it is probable that the temporary difference will not reverse in the foreseeable future. [Refer: Associates [member]; Subsidiaries [member]; Temporary differences [member]; Investments in subsidiaries] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Diferencias temporarias relacionadas con inversiones en subsidiarias, sucursales y asociadas, y con participaciones en acuerdos conjuntos, para los cuales no se han reconocido pasivos por impuestos diferidos | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |