| Disposals, investment property at cost less accumulated depreciation and impairment | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Disposals, investment property at cost less accumulated depreciation and impairment | 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 resulting from disposals. [Refer: Investment property [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |