 | ssmt-mfrs:DisclosureOnAmountOwingByToSubsidiaryCompaniesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOnApprovalOfFinancialStatementsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfBasisOfConsolidationExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfCapitalCommitmentsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfCapitalReserveExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfCapitalRiskManagementExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfCashFlowStatementExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfCategoriesOfFinancialInstrumentsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfCommitmentsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfContingentAssetsAndContingentLiabilitiesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfContributionsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfCostOfSalesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfCreditRiskExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfDeferredTaxesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfDepositsPlacedWithLicensedBanksExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfDirectorsRemunerationExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfDiscontinuedOperationsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfDonationsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfEmployeeBenefitsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfExpensesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfFairValueAdjustmentReserveExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfFairValueHierarchyExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfFairValueMeasurementExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfFinanceCostExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfFinancialAssetsAndLiabilitiesThatAreMeasuredAtFairValueExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfFinancialInstrumentsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfOtherFinancialRiskManagementExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfForeignCurrencyTranslationReserveExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfGovernmentGrantsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfIncomeExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfIncomeTaxExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfInterestExpenseExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfInterestIncomeExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfInterestRateRiskExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfInventoriesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfInvestmentInAssociateExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfInvestmentInJointVentureExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfInvestmentInSubsidiaryCompaniesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfInvestmentPropertyExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfKeyManagementPersonnelCompensationExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfLiquidityRiskExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfMarketRiskExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfMembersFundsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfLeasesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfOtherCurrentAssetsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfOtherIncomeExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfOtherInvestmentsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfOtherNoncurrentAssetsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfOtherNoncurrentLiabilitiesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfOtherNotesToAccountsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfOtherOperatingIncomeExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfOtherReservesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfPostEmploymentBenefitObligationsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfPriorPeriodAdjustmentsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfProfitLossFromOperatingActivitiesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfRetainedEarningsExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfRevaluationReserveExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ssmt-mfrs:DisclosureOfValuationProcessAppliedByGroupForLevel3FairValueExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |
 | ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory | parent-child | http://xbrl.ssm.com.my/role/ssm/rol_ssmt-fs-clbg_2017-12-31/ssmt-fs-clbg_2017-12-31_role-630000 |