Contributions by and distributions to owners [abstract]

NameContributionsByAndDistributionsToOwnersAbstract
Namespacehttp://xbrl.ssm.com.my/taxonomy/2017-12-31/ssmt-mfrs-cor
Prefixssmt-mfrs
Data typexbrli:stringItemType
Period typeduration
Substitution Groupxbrli:item
BalanceNone
NillableTrue
AbstractTrue

Labels

TextLangRoleContainer role
Contributions by and distributions to owners [abstract]enhttp://www.xbrl.org/2003/role/labelhttp://www.xbrl.org/2003/role/link

Related Child Concepts

NameRelation TypeRole
ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
parent-childhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:IncreaseDecreaseThroughConversionOfConvertibleInstruments
parent-childhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:DividendsPaid
parent-childhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:IssueOfEquity
parent-childhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:IssueOfConvertibleInstruments
parent-childhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
parent-childhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions
parent-childhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners
parent-childhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
domain-memberhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:IncreaseDecreaseThroughConversionOfConvertibleInstruments
domain-memberhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:DividendsPaid
domain-memberhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:IssueOfEquity
domain-memberhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:IssueOfConvertibleInstruments
domain-memberhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
domain-memberhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions
domain-memberhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000
ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners
domain-memberhttp://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-mfrs_2017-12-31/ssmt-fs-mfrs_2017-12-31_role-610000