| Non-current liabilities | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total non-current liabilities | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The amount of liabilities that do not meet the definition of current liabilities. [Refer: Current liabilities] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Report the value, as at the reporting date, the sum of non-current liabilities held by the reporting entity. An entity shall classify a liability as current when: a. it expects to settle the liability in the entity’s normal operating cycle; b. it holds the liability primarily for the purpose of trading; c. the liability is due to be settled within twelve months after the reporting date; or d. the entity does not have an unconditional right to defer settlement of the liability for at least twelve months after reporting date. An entity shall classify all other liabilities as non-current. | 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 |