| Impairment loss recognised in profit or loss, investments in other investments | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Report the value, for the reporting period, of adjustments for impairment loss (reversal of impairment loss) on investment in other investments not reported elsewhere in the statement recognised in profit or loss to reconcile profit (loss) to net cash flow from (used in) operating activities. | en | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-mpers-cor_2017-12-31/ReportingDocumentation | http://www.xbrl.org/2003/role/link |
| Report the value, for the reporting period, of adjustments for impairment loss (reversal of impairment loss) on investment in other investments not reported elsewhere in the statement recognised in profit or loss to reconcile profit (loss) to net cash flow from (used in) operating activities. | en | http://xbrl.ssm.com.my/role/ssm/fs/mpers/lab_rol_ssmt-fs-mpers_2017-12-31/ReportingDocumentation | http://www.xbrl.org/2003/role/link |
| Impairment/(reversal of impairment) of other investments | en | http://xbrl.ssm.com.my/role/ssm/fs/mpers/lab_rol_ssmt-fs-mpers_2017-12-31/ReportingLabel | http://www.xbrl.org/2003/role/link |