| Transfer to investment property at fair value through profit or loss | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Transfer to investment property at fair value through profit or loss | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The decrease in investment property at cost less accumulated depreciation and impairment relating to transfers to investment property at fair value through profit or loss when a reliable measure of fair value becomes available. [Refer: Investment property [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |