| Other income royalty and franchise | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Report the value, for the reporting period, of revenue from royalties which refers to charges for the use of long-term assets of the entity, for example, patents, trademarks, copyrights and computer software. | 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 revenue from royalties which refers to charges for the use of long-term assets of the entity, for example, patents, trademarks, copyrights and computer software. | 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 |
| Royalty/franchise income | 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 |