 | ifrs-smes:ProfitLossAttributableToOwnersOfParent | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-300100x |
 | ssmt-mpers:ProfitLossAttributableToOtherComponentsOfEquity | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-300100x |
 | ifrs-smes:ProfitLossAttributableToNoncontrollingInterests | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-300100x |
 | ifrs-smes:ProfitLoss | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-300100x |
 | ifrs-smes:ProfitLossAttributableToOwnersOfParent | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-300100y |
 | ssmt-mpers:ProfitLossAttributableToOtherComponentsOfEquity | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-300100y |
 | ifrs-smes:ProfitLossAttributableToNoncontrollingInterests | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-300100y |
 | ifrs-smes:ProfitLoss | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-300100y |
 | ifrs-smes:ProfitLossAttributableToOwnersOfParent | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-310000 |
 | ssmt-mpers:ProfitLossAttributableToOtherComponentsOfEquity | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-310000 |
 | ifrs-smes:ProfitLossAttributableToNoncontrollingInterests | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-310000 |
 | ifrs-smes:ProfitLoss | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-310000 |
 | ifrs-smes:ProfitLossAttributableToOwnersOfParent | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-320000 |
 | ssmt-mpers:ProfitLossAttributableToOtherComponentsOfEquity | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-320000 |
 | ifrs-smes:ProfitLossAttributableToNoncontrollingInterests | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-320000 |
 | ifrs-smes:ProfitLoss | domain-member | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mpers_2017-12-31/ssmt-fs-mpers_2017-12-31_role-320000 |