| Impairment loss recognised in profit or loss, investments in joint ventures | 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 joint ventures 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 joint ventures 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 investment in joint ventures | 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 |