| Transfer to (from) investment property at fair value through profit or loss | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Net transfer to (from) investment property at fair value through profit or loss | en | http://www.xbrl.org/2009/role/negatedNetLabel | http://www.xbrl.org/2003/role/link |
| The decrease (increase) in investment property at cost less accumulated depreciation and impairment relating to transfers to (from) investment property at fair value through profit or loss. [Refer: Investment property [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |