| Employee share-based payment | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Share-based payments under ESOS | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Report the value, for the reporting period, of share option expense. A share-based payment transaction in which the entity: a. receives goods or services as consideration for its own equity instruments (including shares or share options); or b. receives goods or services but has no obligation to settle the transaction with the supplier. | 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 |
| Share option expenses | 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 |
Index