MBSS 2020-12-31 MBSS 2019-12-31 MBSS 2020-01-01 2020-12-31 MBSS 2019-01-01 2019-12-31 MBSS 2020-12-31 idx-cor:EquityAttributableToParentEntityMember MBSS 2020-12-31 idx-cor:ProformaEquityMember MBSS 2020-12-31 idx-cor:NonControllingInterestsMember MBSS 2020-12-31 idx-cor:CommonStocksMember MBSS 2020-12-31 idx-cor:PreferredStocksMember MBSS 2020-12-31 idx-cor:AdditionalPaidInCapitalMember MBSS 2020-12-31 idx-cor:TreasuryStocksMember MBSS 2020-12-31 idx-cor:AdvancesInCapitalStockMember MBSS 2020-12-31 idx-cor:StockOptionsMember MBSS 2020-12-31 idx-cor:RevaluationReservesMember MBSS 2020-12-31 idx-cor:ReserveOfExchangeDifferencesOnTranslationMember MBSS 2020-12-31 idx-cor:ReserveForChangesInFairValueOfAvailableForSaleFinancialAssetsMember MBSS 2020-12-31 idx-cor:ReserveOfGainsLossesFromInvestmentsInEquityInstrumentsMember MBSS 2020-12-31 idx-cor:ReserveOfShareBasedPaymentsMember MBSS 2020-12-31 idx-cor:ReserveOfCashFlowHedgesMember MBSS 2020-12-31 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MBSS 2020-01-01 2020-12-31 idx-cor:StockOptionsMember MBSS 2020-01-01 2020-12-31 idx-cor:RevaluationReservesMember MBSS 2020-01-01 2020-12-31 idx-cor:ReserveOfExchangeDifferencesOnTranslationMember MBSS 2020-01-01 2020-12-31 idx-cor:ReserveForChangesInFairValueOfAvailableForSaleFinancialAssetsMember MBSS 2020-01-01 2020-12-31 idx-cor:ReserveOfGainsLossesFromInvestmentsInEquityInstrumentsMember MBSS 2020-01-01 2020-12-31 idx-cor:ReserveOfShareBasedPaymentsMember MBSS 2020-01-01 2020-12-31 idx-cor:ReserveOfCashFlowHedgesMember MBSS 2020-01-01 2020-12-31 idx-cor:ReserveOfRemeasurementsOfDefinedBenefitPlansMember MBSS 2020-01-01 2020-12-31 idx-cor:OtherReservesMember MBSS 2020-01-01 2020-12-31 idx-cor:OtherEquityInterestsMember MBSS 2020-01-01 2020-12-31 idx-cor:DifferenceInValueOfEquityTransactionsWithNonControllingInterestsMember MBSS 2020-01-01 2020-12-31 idx-cor:OtherTransactionsWithNonControllingInterestsMember MBSS 2020-01-01 2020-12-31 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[1000000] General information

Informasi umum General information
31 December 2020
Nama entitas Mitrabahtera Segara Sejati Tbk Entity name
Penjelasan perubahan nama dari akhir periode laporan sebelumnya Explanation of change in name from the end of the preceding reporting period
Kode entitas MBSS Entity code
Nomor identifikasi entitas AA576 Entity identification number
Industri utama entitas Umum / General Entity main industry
Sektor 7. Infrastructure, Utilities And Transportation Sector
Subsektor 74. Transportation Subsector
Informasi pemegang saham pengendali National Corporation Controlling shareholder information
Jenis entitas Local Company - Indonesia Jurisdiction Type of entity
Jenis efek yang dicatatkan Saham / Stock Type of listed securities
Jenis papan perdagangan tempat entitas tercatat Type of board on which the entity is listed
Apakah merupakan laporan keuangan satu entitas atau suatu kelompok entitas Entitas grup / Group entity Whether the financial statements are of an individual entity or a group of entities
Periode penyampaian laporan keuangan Tahunan / Annual Period of financial statements submissions
Tanggal awal periode berjalan January 01, 2020 Current period start date
Tanggal akhir periode berjalan December 31, 2020 Current period end date
Tanggal akhir tahun sebelumnya December 31, 2019 Prior year end date
Tanggal awal periode sebelumnya January 01, 2019 Prior period start date
Tanggal akhir periode sebelumnya December 31, 2019 Prior period end date
Mata uang pelaporan Dollar Amerika / USD Description of presentation currency
Kurs konversi pada tanggal pelaporan jika mata uang penyajian selain rupiah 14,105 Conversion rate at reporting date if presentation currency is other than rupiah
Pembulatan yang digunakan dalam penyajian jumlah dalam laporan keuangan Satuan Penuh / Full Amount Level of rounding used in financial statements
Jenis laporan atas laporan keuangan Diaudit / Audited Type of report on financial statements
Jenis opini auditor Wajar Tanpa Pengecualian / Unqualified Type of auditor's opinion
Hal yang diungkapkan dalam paragraf pendapat untuk penekanan atas suatu masalah atau paragraf penjelasan lainnya, jika ada Matters disclosed in emphasis-of-matter or other-matter paragraph, if any
Hasil penugasan review Result of review engagement
Tanggal laporan audit atau hasil laporan review 2021-03-31 Date of auditor's opinion or result of review report
Auditor tahun berjalan Imelda dan Rekan Current year auditor
Nama partner audit tahun berjalan Muhammad Irfan Name of current year audit signing partner
Lama tahun penugasan partner yang menandatangani Number of years served as audit signing partner
Auditor tahun sebelumnya Imelda & Rekan Prior year auditor
Nama partner audit tahun sebelumnya Fenny Widjaja Name of prior year audit signing partner
Kepatuhan terhadap pemenuhan peraturan BAPEPAM LK VIII G 11 tentang tanggung jawab direksi atas laporan keuangan Ya / Yes Whether in compliance with BAPEPAM LK VIII G 11 rules concerning responsibilities of board of directors on financial statements
Kepatuhan terhadap pemenuhan peraturan BAPEPAM LK VIII A dua tentang independensi akuntan yang memberikan jasa audit di pasar modal Ya / Yes Whether in compliance with BAPEPAM LK VIII A two rules concerning independence of accountant providing audit services in capital market