| Short-term lease payments, payments for leases of low-value assets and variable lease payments not included in the measurement of the lease liability | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Report the value, for the reporting period, of cash flows from short-term lease payments, payments for leases of low-value assets and variable lease payments which are not included in the measurement of the lease liability. | 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 cash flows from short-term lease payments, payments for leases of low-value assets and variable lease payments which are not included in the measurement of the lease liability. | 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 |