| Share of profit (loss) of associates and joint ventures accounted for using equity method | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total share of profit (loss) of associates and joint ventures accounted for using equity method | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The entity's share of the profit (loss) of associates and joint ventures accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method; Joint ventures [member]; Profit (loss)] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |