| The entity's share of the other comprehensive income of associates and joint ventures accounted for using the equity method, net of tax. [Refer: Associates [member]; Investments accounted for using equity method; Joint ventures [member]; Other comprehensive income] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |