# 【表紙】

【提出書類】 | 有価証券報告書
【根拠条文】 | 金融商品取引法第24条第１項
【提出先】 | 関東財務局長
【提出日】 | 2019年６月25日
【事業年度】 | 2018年度（自　2018年４月１日　至　2019年３月31日）
【会社名】 | 株式会社　商船三井
【英訳名】 | Mitsui O.S.K. Lines, Ltd.
【代表者の役職氏名】 | 代表取締役社長執行役員　　池田　潤一郎
【本店の所在の場所】 | 東京都港区虎ノ門二丁目１番１号
【電話番号】 | （０３）３５８７－７０２６（代表） （０３）３５８７－７０４１（代表）
【事務連絡者氏名】 | 秘書・総務部長　居城　正明、経理部長　三谷　亮司
【最寄りの連絡場所】 | 東京都港区虎ノ門二丁目１番１号
【電話番号】 | （０３）３５８７－７０２６（代表） （０３）３５８７－７０４１（代表）
【事務連絡者氏名】 | 秘書・総務部長　居城　正明、経理部長　三谷　亮司
【縦覧に供する場所】 | 株式会社　商船三井　名古屋支店 （名古屋市中村区名駅南一丁目24番30号） 株式会社　商船三井　関西支店 （大阪市北区中之島三丁目３番23号） 株式会社東京証券取引所 （東京都中央区日本橋兜町２番１号）

E04236 91040 株式会社　商船三井 Mitsui O.S.K. Lines, Ltd. 企業内容等の開示に関する内閣府令 第三号様式 Japan GAAP true WAT WAT 2018-04-01 2019-03-31 FY 2019-03-31 2017-04-01 2018-03-31 2018-03-31 1 false false false E04236-000 2019-06-25 jpcrp030000-asr_E04236-000:ShizuoTakahashiMember E04236-000 2019-06-25 jpcrp030000-asr_E04236-000:TakeshiHashimotoMember E04236-000 2019-06-25 jpcrp030000-asr_E04236-000:AkihikoOnoMember E04236-000 2019-06-25 jpcrp030000-asr_E04236-000:TakashiMaruyamaMember E04236-000 2019-06-25 jpcrp030000-asr_E04236-000:HidetoFujiiMember E04236-000 2019-06-25 jpcrp030000-asr_E04236-000:EtsukoKatsuMember E04236-000 2019-06-25 jpcrp030000-asr_E04236-000:KenjiJitsuMember E04236-000 2019-06-25 jpcrp030000-asr_E04236-000:HidekiYamashitaMember E04236-000 2018-04-01 2019-03-31 jpcrp_cor:DirectorsExcludingOutsideDirectorsMember E04236-000 2018-04-01 2019-03-31 jpcrp_cor:CorporateAuditorsExcludingOutsideCorporateAuditorsMember E04236-000 2018-04-01 2019-03-31 jpcrp_cor:OutsideDirectorsAndOtherOfficersMember E04236-000 2018-04-01 2019-03-31 jpcrp_cor:OtherOperatingSegmentsMember E04236-000 2019-03-31 jpcrp_cor:CorporateSharedMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E04236-000:DryBulkBusinessReportableSegmentsMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E04236-000:EnergyTransportBusinessReportableSegmentsMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E04236-000:ProductTransportBusinessReportableSegmentsMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E04236-000:ContainershipsReportableSegmentsMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E04236-000:AssociatedBusinessesReportableSegmentsMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jpcrp_cor:CorporateSharedMember E04236-000 2019-06-25 jpcrp030000-asr_E04236-000:MasaruOnishiMember E04236-000 2019-06-25 jpcrp_cor:OrdinaryShareMember E04236-000 2019-03-31 jpcrp_cor:OrdinaryShareMember E04236-000 2019-03-31 jpcrp_cor:SharesWithNoVotingRightsMember E04236-000 2019-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsTreasurySharesEtcMember E04236-000 2019-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsOtherMember E04236-000 2019-03-31 jpcrp_cor:SharesWithFullVotingRightsTreasurySharesEtcMember E04236-000 2019-03-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsTreasurySharesEtcMember E04236-000 2019-03-31 jpcrp_cor:SharesWithFullVotingRightsOtherMember E04236-000 2019-03-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsOtherMember E04236-000 2019-03-31 jpcrp_cor:SharesLessThanOneUnitMember E04236-000 2019-03-31 jpcrp_cor:OrdinarySharesSharesLessThanOneUnitMember E04236-000 2019-06-25 jpcrp_cor:Row1Member E04236-000 2019-06-25 jpcrp_cor:Row2Member E04236-000 2019-06-25 jpcrp_cor:Row3Member E04236-000 2019-06-25 jpcrp_cor:Row4Member E04236-000 2019-06-25 jpcrp030000-asr_E04236-000:JunichiroIkedaMember E04236-000 2019-06-25 jpcrp030000-asr_E04236-000:JunkoImuraMember E04236-000 2019-03-31 jpcrp_cor:Row20Member E04236-000 2019-03-31 jpcrp_cor:Row21Member E04236-000 2019-03-31 jpcrp_cor:Row22Member E04236-000 2019-03-31 jpcrp_cor:Row23Member E04236-000 2019-03-31 jpcrp_cor:Row24Member E04236-000 2019-03-31 jpcrp_cor:Row25Member E04236-000 2019-03-31 jpcrp_cor:Row26Member E04236-000 2019-03-31 jpcrp_cor:Row27Member E04236-000 2019-03-31 jpcrp_cor:Row28Member E04236-000 2019-03-31 jpcrp_cor:Row29Member E04236-000 2019-03-31 jpcrp_cor:Row30Member E04236-000 2018-03-31 jpcrp_cor:Row1Member E04236-000 2018-03-31 jpcrp_cor:Row2Member E04236-000 2018-03-31 jpcrp_cor:Row3Member E04236-000 2018-03-31 jpcrp_cor:Row4Member E04236-000 2018-03-31 jpcrp_cor:Row5Member E04236-000 2018-03-31 jpcrp_cor:Row6Member E04236-000 2018-03-31 jpcrp_cor:Row7Member E04236-000 2018-03-31 jpcrp_cor:Row8Member E04236-000 2018-03-31 jpcrp_cor:Row9Member E04236-000 2018-03-31 jpcrp_cor:Row10Member E04236-000 2018-03-31 jpcrp_cor:Row11Member E04236-000 2018-03-31 jpcrp_cor:Row12Member E04236-000 2018-03-31 jpcrp_cor:Row13Member E04236-000 2019-03-31 jpcrp_cor:Row1Member E04236-000 2019-03-31 jpcrp_cor:Row2Member E04236-000 2019-03-31 jpcrp_cor:Row3Member E04236-000 2019-03-31 jpcrp_cor:Row4Member E04236-000 2019-03-31 jpcrp_cor:Row5Member E04236-000 2019-03-31 jpcrp_cor:Row6Member E04236-000 2019-03-31 jpcrp_cor:Row7Member E04236-000 2019-03-31 jpcrp_cor:Row8Member E04236-000 2019-03-31 jpcrp_cor:Row9Member E04236-000 2019-03-31 jpcrp_cor:Row10Member E04236-000 2019-03-31 jpcrp_cor:Row11Member E04236-000 2019-03-31 jpcrp_cor:Row12Member E04236-000 2019-03-31 jpcrp_cor:Row13Member E04236-000 2019-03-31 jpcrp_cor:Row14Member E04236-000 2019-03-31 jpcrp_cor:Row15Member E04236-000 2019-03-31 jpcrp_cor:Row16Member E04236-000 2019-03-31 jpcrp_cor:Row17Member E04236-000 2019-03-31 jpcrp_cor:Row18Member E04236-000 2019-03-31 jpcrp_cor:Row19Member E04236-000 2018-03-31 jpcrp_cor:Row14Member E04236-000 2018-03-31 jpcrp_cor:Row15Member E04236-000 2018-03-31 jpcrp_cor:Row16Member E04236-000 2018-03-31 jpcrp_cor:Row17Member E04236-000 2018-03-31 jpcrp_cor:Row18Member E04236-000 2018-03-31 jpcrp_cor:Row19Member E04236-000 2018-03-31 jpcrp_cor:Row20Member E04236-000 2018-03-31 jpcrp_cor:Row21Member E04236-000 2018-03-31 jpcrp_cor:Row22Member E04236-000 2018-03-31 jpcrp_cor:Row23Member E04236-000 2018-03-31 jpcrp_cor:Row24Member E04236-000 2018-03-31 jpcrp_cor:Row25Member E04236-000 2018-03-31 jpcrp_cor:Row26Member E04236-000 2018-03-31 jpcrp_cor:Row27Member E04236-000 2018-03-31 jpcrp_cor:Row28Member E04236-000 2018-03-31 jpcrp_cor:Row29Member E04236-000 2018-03-31 jpcrp_cor:Row30Member E04236-000 2019-06-25 jpcrp_cor:Row7Member E04236-000 2019-06-25 jpcrp_cor:Row6Member E04236-000 2019-06-25 jpcrp_cor:Row5Member E04236-000 2019-03-31 jpcrp_cor:Row45Member E04236-000 2018-03-31 jpcrp_cor:Row44Member E04236-000 2019-03-31 jpcrp_cor:Row44Member E04236-000 2018-03-31 jpcrp_cor:Row43Member E04236-000 2019-03-31 jpcrp_cor:Row43Member E04236-000 2018-03-31 jpcrp_cor:Row42Member E04236-000 2019-03-31 jpcrp_cor:Row42Member E04236-000 2018-03-31 jpcrp_cor:Row41Member E04236-000 2019-03-31 jpcrp_cor:Row41Member E04236-000 2018-03-31 jpcrp_cor:Row40Member E04236-000 2019-03-31 jpcrp_cor:Row40Member E04236-000 2018-03-31 jpcrp_cor:Row39Member E04236-000 2019-03-31 jpcrp_cor:Row39Member E04236-000 2018-03-31 jpcrp_cor:Row38Member E04236-000 2019-03-31 jpcrp_cor:Row38Member E04236-000 2018-03-31 jpcrp_cor:Row37Member E04236-000 2019-03-31 jpcrp_cor:Row37Member E04236-000 2018-03-31 jpcrp_cor:Row36Member E04236-000 2019-03-31 jpcrp_cor:Row36Member E04236-000 2018-03-31 jpcrp_cor:Row35Member E04236-000 2019-03-31 jpcrp_cor:Row35Member E04236-000 2018-03-31 jpcrp_cor:Row34Member E04236-000 2019-03-31 jpcrp_cor:Row34Member E04236-000 2018-03-31 jpcrp_cor:Row33Member E04236-000 2019-03-31 jpcrp_cor:Row33Member E04236-000 2018-03-31 jpcrp_cor:Row32Member E04236-000 2019-03-31 jpcrp_cor:Row32Member E04236-000 2018-03-31 jpcrp_cor:Row31Member E04236-000 2019-03-31 jpcrp_cor:Row31Member E04236-000 2019-06-25 jpcrp030000-asr_E04236-000:ToshiakiTakedaMember E04236-000 2018-03-31 jpcrp_cor:Row61Member E04236-000 2019-03-31 jpcrp_cor:Row61Member E04236-000 2018-03-31 jpcrp_cor:Row60Member E04236-000 2019-03-31 jpcrp_cor:Row60Member E04236-000 2018-03-31 jpcrp_cor:Row59Member E04236-000 2019-03-31 jpcrp_cor:Row59Member E04236-000 2018-03-31 jpcrp_cor:Row58Member E04236-000 2019-03-31 jpcrp_cor:Row58Member E04236-000 2018-03-31 jpcrp_cor:Row57Member E04236-000 2019-03-31 jpcrp_cor:Row57Member E04236-000 2018-03-31 jpcrp_cor:Row56Member E04236-000 2019-03-31 jpcrp_cor:Row56Member E04236-000 2018-03-31 jpcrp_cor:Row55Member E04236-000 2019-03-31 jpcrp_cor:Row55Member E04236-000 2018-03-31 jpcrp_cor:Row54Member E04236-000 2019-03-31 jpcrp_cor:Row54Member E04236-000 2018-03-31 jpcrp_cor:Row53Member E04236-000 2019-03-31 jpcrp_cor:Row53Member E04236-000 2018-03-31 jpcrp_cor:Row52Member E04236-000 2019-03-31 jpcrp_cor:Row52Member E04236-000 2018-03-31 jpcrp_cor:Row51Member E04236-000 2019-03-31 jpcrp_cor:Row51Member E04236-000 2018-03-31 jpcrp_cor:Row50Member E04236-000 2019-03-31 jpcrp_cor:Row50Member E04236-000 2018-03-31 jpcrp_cor:Row49Member E04236-000 2019-03-31 jpcrp_cor:Row49Member E04236-000 2018-03-31 jpcrp_cor:Row48Member E04236-000 2019-03-31 jpcrp_cor:Row48Member E04236-000 2018-03-31 jpcrp_cor:Row47Member E04236-000 2019-03-31 jpcrp_cor:Row47Member E04236-000 2018-03-31 jpcrp_cor:Row46Member E04236-000 2019-03-31 jpcrp_cor:Row46Member E04236-000 2018-03-31 jpcrp_cor:Row45Member E04236-000 2018-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:CapitalStockMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:CapitalSurplusMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:TreasuryStockMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:ShareholdersEquityMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E04236-000 2018-04-01 2019-03-31 jpcrp_cor:ReconcilingItemsMember E04236-000 2018-04-01 2019-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E04236-000 2018-04-01 2019-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E04236-000 2018-04-01 2019-03-31 jpcrp_cor:ReportableSegmentsMember E04236-000 2018-04-01 2019-03-31 jpcrp030000-asr_E04236-000:AssociatedBusinessesReportableSegmentsMember E04236-000 2018-04-01 2019-03-31 jpcrp030000-asr_E04236-000:ContainershipsReportableSegmentsMember E04236-000 2019-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E04236-000 2017-04-01 2018-03-31 jpcrp_cor:ReconcilingItemsMember E04236-000 2017-04-01 2018-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E04236-000 2017-04-01 2018-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E04236-000 2017-04-01 2018-03-31 jpcrp030000-asr_E04236-000:ContainershipsReportableSegmentsMember E04236-000 2018-03-31 jpcrp_cor:ReconcilingItemsMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:SubscriptionRightsToSharesMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonControllingInterestsMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E04236-000 2019-03-31 jpcrp_cor:No1MajorShareholdersMember E04236-000 2019-03-31 jpcrp_cor:No2MajorShareholdersMember E04236-000 2019-03-31 jpcrp_cor:No3MajorShareholdersMember E04236-000 2019-03-31 jpcrp_cor:No4MajorShareholdersMember E04236-000 2019-03-31 jpcrp_cor:No5MajorShareholdersMember E04236-000 2019-03-31 jpcrp_cor:No6MajorShareholdersMember E04236-000 2019-03-31 jpcrp_cor:No7MajorShareholdersMember E04236-000 2019-03-31 jpcrp_cor:No8MajorShareholdersMember E04236-000 2019-03-31 jpcrp_cor:No9MajorShareholdersMember E04236-000 2019-03-31 jpcrp_cor:No10MajorShareholdersMember E04236-000 2017-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E04236-000 2019-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E04236-000 2018-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:DeferredGainsOrLossesOnHedgesMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E04236-000 2017-04-01 2018-03-31 jpcrp030000-asr_E04236-000:AssociatedBusinessesReportableSegmentsMember E04236-000 2017-04-01 2018-03-31 jpcrp_cor:ReportableSegmentsMember E04236-000 2018-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E04236-000 2018-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E04236-000 2018-03-31 jpcrp030000-asr_E04236-000:ContainershipsReportableSegmentsMember E04236-000 2018-03-31 jpcrp030000-asr_E04236-000:AssociatedBusinessesReportableSegmentsMember E04236-000 2018-03-31 jpcrp_cor:ReportableSegmentsMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:SubscriptionRightsToSharesMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonControllingInterestsMember E04236-000 2018-03-31 jppfs_cor:CapitalStockMember E04236-000 2018-03-31 jppfs_cor:CapitalSurplusMember E04236-000 2018-03-31 jppfs_cor:RetainedEarningsMember E04236-000 2018-03-31 jppfs_cor:TreasuryStockMember E04236-000 2019-03-31 jpcrp_cor:ReconcilingItemsMember E04236-000 2019-06-25 E04236-000 2018-04-01 2019-03-31 jpcrp030000-asr_E04236-000:EnergyTransportBusinessReportableSegmentsMember E04236-000 2017-04-01 2018-03-31 jpcrp030000-asr_E04236-000:EnergyTransportBusinessReportableSegmentsMember E04236-000 2018-04-01 2019-03-31 jpcrp030000-asr_E04236-000:DryBulkBusinessReportableSegmentsMember E04236-000 2017-04-01 2018-03-31 jpcrp030000-asr_E04236-000:DryBulkBusinessReportableSegmentsMember E04236-000 2018-04-01 2019-03-31 jpcrp030000-asr_E04236-000:ProductTransportBusinessReportableSegmentsMember E04236-000 2019-03-31 E04236-000 2018-04-01 2019-03-31 E04236-000 2018-03-31 E04236-000 2017-04-01 2018-03-31 E04236-000 2017-03-31 E04236-000 2016-04-01 2017-03-31 E04236-000 2016-03-31 E04236-000 2015-04-01 2016-03-31 E04236-000 2015-03-31 E04236-000 2014-04-01 2015-03-31 E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E04236-000 2019-03-31 jpcrp030000-asr_E04236-000:CarCarriesFerriesAndCoastalRoRoShipsReportableSegmentsMember E04236-000 2018-04-01 2019-03-31 jpcrp030000-asr_E04236-000:CarCarriesFerriesAndCoastalRoRoShipsReportableSegmentsMember E04236-000 2018-03-31 jpcrp030000-asr_E04236-000:CarCarriesFerriesAndCoastalRoRoShipsReportableSegmentsMember E04236-000 2017-04-01 2018-03-31 jpcrp030000-asr_E04236-000:CarCarriesFerriesAndCoastalRoRoShipsReportableSegmentsMember E04236-000 2019-03-31 jpcrp030000-asr_E04236-000:EnergyTransportBusinessReportableSegmentsMember E04236-000 2018-03-31 jpcrp030000-asr_E04236-000:EnergyTransportBusinessReportableSegmentsMember E04236-000 2019-03-31 jpcrp030000-asr_E04236-000:DryBulkBusinessReportableSegmentsMember E04236-000 2018-03-31 jpcrp030000-asr_E04236-000:DryBulkBusinessReportableSegmentsMember E04236-000 2019-03-31 jpcrp030000-asr_E04236-000:ProductTransportBusinessReportableSegmentsMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:DeferredGainsOrLossesOnHedgesMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForSpecialDepreciationMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForReductionEntry1Member E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForSpecialDepreciationMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForReductionEntry1Member E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:DeferredGainsOrLossesOnHedgesMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForSpecialDepreciationMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForReductionEntry1Member E04236-000 2018-04-01 2019-03-31 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E04236-000 2017-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E04236-000 2017-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E04236-000 2017-03-31 jppfs_cor:SubscriptionRightsToSharesMember E04236-000 2017-03-31 jppfs_cor:NonControllingInterestsMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:RetainedEarningsMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForSpecialDepreciationMember E04236-000 2019-03-31 jppfs_cor:ReserveForReductionEntry1Member jppfs_cor:NonConsolidatedMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:DeferredGainsOrLossesOnHedgesMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:DeferredGainsOrLossesOnHedgesMember E04236-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E04236-000 2019-03-31 jppfs_cor:ShareholdersEquityMember E04236-000 2019-03-31 jppfs_cor:CapitalStockMember E04236-000 2019-03-31 jppfs_cor:CapitalSurplusMember E04236-000 2019-03-31 jppfs_cor:RetainedEarningsMember E04236-000 2019-03-31 jppfs_cor:TreasuryStockMember E04236-000 2019-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E04236-000 2019-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E04236-000 2019-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E04236-000 2019-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E04236-000 2019-03-31 jppfs_cor:SubscriptionRightsToSharesMember E04236-000 2019-03-31 jppfs_cor:NonControllingInterestsMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:ShareholdersEquityMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:CapitalStockMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:CapitalSurplusMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:RetainedEarningsMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:TreasuryStockMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E04236-000 2019-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E04236-000 2019-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E04236-000 2019-03-31 jpcrp_cor:ReportableSegmentsMember E04236-000 2019-03-31 jpcrp030000-asr_E04236-000:AssociatedBusinessesReportableSegmentsMember E04236-000 2019-03-31 jpcrp030000-asr_E04236-000:ContainershipsReportableSegmentsMember E04236-000 2018-03-31 jppfs_cor:ShareholdersEquityMember E04236-000 2018-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E04236-000 2018-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E04236-000 2018-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E04236-000 2018-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E04236-000 2018-03-31 jppfs_cor:SubscriptionRightsToSharesMember E04236-000 2018-03-31 jppfs_cor:NonControllingInterestsMember E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForSpecialDepreciationMember E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForReductionEntry1Member E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E04236-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember E04236-000 2018-03-31 jppfs_cor:NonConsolidatedMember E04236-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember E04236-000 2016-04-01 2017-03-31 jppfs_cor:NonConsolidatedMember E04236-000 2016-03-31 jppfs_cor:NonConsolidatedMember E04236-000 2015-04-01 2016-03-31 jppfs_cor:NonConsolidatedMember E04236-000 2015-03-31 jppfs_cor:NonConsolidatedMember E04236-000 2014-04-01 2015-03-31 jppfs_cor:NonConsolidatedMember E04236-000 2017-03-31 jppfs_cor:CapitalStockMember E04236-000 2017-03-31 jppfs_cor:CapitalSurplusMember E04236-000 2017-03-31 jppfs_cor:RetainedEarningsMember E04236-000 2017-03-31 jppfs_cor:TreasuryStockMember E04236-000 2017-03-31 jppfs_cor:ShareholdersEquityMember E04236-000 2017-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E04236-000 2017-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E04236-000 2017-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember iso4217:JPY xbrli:shares xbrli:shares xbrli:pure iso4217:JPY