| Assets other than cash or cash equivalents in subsidiary or businesses acquired or disposed | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The amount of assets, other than cash or cash equivalents, in subsidiaries or other businesses over which control is obtained or lost. [Refer: Subsidiaries [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Total assets other than assets held for sale | en | http://xbrl.ssm.com.my/role/ssm/fs/mfrs/lab_rol_ssmt-fs-mfrs_2017-12-31/ReportingTotalLabel | http://www.xbrl.org/2003/role/link |