# 【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】 | 2024年６月26日
【事業年度】 | 第80期（自　2023年４月１日　至　2024年３月31日）
【会社名】 | 共英製鋼株式会社
【英訳名】 | ＫＹＯＥＩ ＳＴＥＥＬ ＬＴＤ．
【代表者の役職氏名】 | 代表取締役社長　　廣冨　靖以
【本店の所在の場所】 | 大阪市北区堂島浜一丁目４番16号
【電話番号】 | 06－6346－5221（代表）
【事務連絡者氏名】 | 上席執行役員本社情報システム部担当・経理部担当役員補佐兼本社経理部長・情報システム部長　　林　進
【最寄りの連絡場所】 | 大阪市北区堂島浜一丁目４番16号
【電話番号】 | 06－6346－5221（代表）
【事務連絡者氏名】 | 上席執行役員本社情報システム部担当・経理部担当役員補佐兼本社経理部長・情報システム部長　　林　進
【縦覧に供する場所】 | 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）

E01266 54400 共英製鋼株式会社 KYOEI STEEL 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 CTE CTE 2023-04-01 2024-03-31 FY 2024-03-31 2022-04-01 2023-03-31 2023-03-31 1 false false false E01266-000 2024-03-31 jppfs_cor:RetainedEarningsMember E01266-000 2024-03-31 jppfs_cor:TreasuryStockMember E01266-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E01266-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E01266-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RevaluationReserveForLandMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E01266-000 2022-04-01 2023-03-31 jpcrp030000-asr_E01266-000:STEELOVERSEASReportableSegmentsMember E01266-000 2023-04-01 2024-03-31 jpcrp_cor:OtherReportableSegmentsMember E01266-000 2023-04-01 2024-03-31 jpcrp030000-asr_E01266-000:MATERIALRECYCLINGReportableSegmentsMember E01266-000 2023-04-01 2024-03-31 jpcrp030000-asr_E01266-000:STEELReportableSegmentsMember E01266-000 2023-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E01266-000 2023-03-31 jpcrp_cor:OtherReportableSegmentsMember E01266-000 2022-04-01 2023-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E01266-000 2022-04-01 2023-03-31 jpcrp_cor:OtherReportableSegmentsMember E01266-000 2024-03-31 jpcrp_cor:ReconcilingItemsMember E01266-000 2024-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E01266-000 2024-03-31 jpcrp_cor:ReportableSegmentsMember E01266-000 2024-03-31 jpcrp_cor:OtherReportableSegmentsMember E01266-000 2023-03-31 jpcrp_cor:Row1Member E01266-000 2024-03-31 jpcrp_cor:CorporateSharedMember E01266-000 2024-03-31 jpcrp030000-asr_E01266-000:STEELReportableSegmentsMember jppfs_cor:NonConsolidatedMember E01266-000 2022-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01266-000 2022-03-31 jppfs_cor:NonControllingInterestsMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:CapitalStockMember E01266-000 2024-06-26 jpcrp_cor:Row13Member E01266-000 2024-03-31 jpcrp030000-asr_E01266-000:MATERIALRECYCLINGReportableSegmentsMember E01266-000 2024-03-31 jpcrp030000-asr_E01266-000:STEELReportableSegmentsMember E01266-000 2023-04-01 2024-03-31 jpcrp_cor:ReconcilingItemsMember E01266-000 2023-04-01 2024-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E01266-000 2023-04-01 2024-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01266-000 2022-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01266-000 2024-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01266-000 2023-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01266-000 2024-03-31 jppfs_cor:NonConsolidatedMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:NonControllingInterestsMember E01266-000 2023-03-31 jppfs_cor:RetainedEarningsMember E01266-000 2023-03-31 jppfs_cor:TreasuryStockMember E01266-000 2023-03-31 jppfs_cor:ShareholdersEquityMember E01266-000 2022-04-01 2023-03-31 jpcrp_cor:ReportableSegmentsMember E01266-000 2023-03-31 jpcrp030000-asr_E01266-000:STEELReportableSegmentsMember E01266-000 2023-03-31 jpcrp030000-asr_E01266-000:MATERIALRECYCLINGReportableSegmentsMember E01266-000 2023-03-31 jpcrp_cor:ReportableSegmentsMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember E01266-000 2023-03-31 jppfs_cor:NonConsolidatedMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember E01266-000 2022-03-31 jppfs_cor:NonConsolidatedMember E01266-000 2024-06-26 jpcrp_cor:Row8Member E01266-000 2024-06-26 jpcrp_cor:Row7Member E01266-000 2024-06-26 jpcrp_cor:Row6Member E01266-000 2024-06-26 jpcrp_cor:Row5Member E01266-000 2022-04-01 2023-03-31 jppfs_cor:CapitalSurplusMember E01266-000 2023-03-31 jppfs_cor:CapitalStockMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:RetainedEarningsMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:TreasuryStockMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:ShareholdersEquityMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:RevaluationReserveForLandMember E01266-000 2023-03-31 jppfs_cor:CapitalSurplusMember E01266-000 2022-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01266-000 2021-04-01 2022-03-31 jppfs_cor:NonConsolidatedMember E01266-000 2021-03-31 jppfs_cor:NonConsolidatedMember E01266-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember E01266-000 2023-04-01 2024-03-31 jpcrp_cor:OutsideDirectorsAndOtherOfficersMember E01266-000 2023-04-01 2024-03-31 jpcrp_cor:CorporateAuditorsExcludingOutsideCorporateAuditorsMember E01266-000 2023-04-01 2024-03-31 jpcrp_cor:DirectorsExcludingOutsideDirectorsMember E01266-000 2024-06-26 jpcrp_cor:Row10Member E01266-000 2024-06-26 jpcrp_cor:Row11Member E01266-000 2023-03-31 jpcrp_cor:Row2Member E01266-000 2023-03-31 jpcrp_cor:Row5Member E01266-000 2023-03-31 jpcrp_cor:Row6Member E01266-000 2023-03-31 jpcrp_cor:Row7Member E01266-000 2023-03-31 jpcrp_cor:Row8Member E01266-000 2023-03-31 jpcrp_cor:Row3Member E01266-000 2023-03-31 jpcrp_cor:Row4Member E01266-000 2024-06-26 jpcrp_cor:Row1Member E01266-000 2024-06-26 jpcrp_cor:Row2Member E01266-000 2024-06-26 jpcrp_cor:Row3Member E01266-000 2024-06-26 jpcrp_cor:Row4Member E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:TakashimaHideichiroMember E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:HirotomiYasuyukiMember E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:SakamotoShogoMember E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:YamaoTetsuyaMember E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:KawabeTatsuyaMember E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:IchiharaShujiMember E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:MuneokaToruMember E01266-000 2023-03-31 jpcrp_cor:Row9Member E01266-000 2022-04-01 2023-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E01266-000 2024-03-31 jpcrp_cor:OrdinaryShareMember E01266-000 2024-06-26 jpcrp_cor:Row12Member E01266-000 2022-03-31 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E01266-000 2022-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E01266-000 2022-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E01266-000 2022-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E01266-000 2022-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01266-000 2022-03-31 jpcrp030000-asr_E01266-000:ReserveForSpecialDisasterMember jppfs_cor:NonConsolidatedMember E01266-000 2023-03-31 jpcrp030000-asr_E01266-000:ReserveForSpecialDisasterMember jppfs_cor:NonConsolidatedMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:RevaluationReserveForLandMember jppfs_cor:NonConsolidatedMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:ReserveForReductionEntry2Member jppfs_cor:NonConsolidatedMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E01266-000:ReserveForSpecialDisasterMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E01266-000 2023-03-31 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E01266-000 2023-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E01266-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E01266-000 2023-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E01266-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E01266-000 2023-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E01266-000 2023-03-31 jppfs_cor:RevaluationReserveForLandMember jppfs_cor:NonConsolidatedMember E01266-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E01266-000 2024-03-31 jppfs_cor:ShareholdersEquityMember E01266-000 2024-03-31 jppfs_cor:CapitalStockMember E01266-000 2024-03-31 jppfs_cor:CapitalSurplusMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:CapitalStockMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:CapitalSurplusMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:RetainedEarningsMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:TreasuryStockMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:RevaluationReserveForLandMember E01266-000 2024-03-31 jpcrp_cor:No1MajorShareholdersMember E01266-000 2024-03-31 jpcrp_cor:No2MajorShareholdersMember E01266-000 2024-03-31 jpcrp_cor:No3MajorShareholdersMember E01266-000 2024-03-31 jpcrp_cor:No4MajorShareholdersMember E01266-000 2024-03-31 jpcrp_cor:No5MajorShareholdersMember E01266-000 2024-03-31 jpcrp_cor:No6MajorShareholdersMember E01266-000 2024-03-31 jpcrp_cor:No7MajorShareholdersMember E01266-000 2024-03-31 jpcrp_cor:No8MajorShareholdersMember E01266-000 2024-03-31 jpcrp_cor:No9MajorShareholdersMember E01266-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01266-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RevaluationReserveForLandMember E01266-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E01266-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E01266-000 2022-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:LegalRetainedEarningsMember jppfs_cor:NonConsolidatedMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:ReserveForReductionEntry2Member jppfs_cor:NonConsolidatedMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E01266-000:ReserveForSpecialDisasterMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RevaluationReserveForLandMember E01266-000 2022-04-01 2023-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E01266-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E01266-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E01266-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E01266-000 2024-06-26 jpcrp_cor:OrdinaryShareMember E01266-000 2020-03-31 jppfs_cor:NonConsolidatedMember E01266-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember E01266-000 2022-03-31 jppfs_cor:CapitalStockMember E01266-000 2022-03-31 jppfs_cor:CapitalSurplusMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E01266-000 2022-03-31 jppfs_cor:RetainedEarningsMember E01266-000 2022-03-31 jppfs_cor:TreasuryStockMember E01266-000 2022-03-31 jppfs_cor:ShareholdersEquityMember E01266-000 2022-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01266-000 2022-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E01266-000 2022-03-31 jppfs_cor:RevaluationReserveForLandMember E01266-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E01266-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E01266-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForReductionEntry2Member E01266-000 2023-04-01 2024-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:NonControllingInterestsMember E01266-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E01266-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E01266-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E01266-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E01266-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E01266-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E01266-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E01266-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForReductionEntry2Member E01266-000 2024-03-31 jpcrp030000-asr_E01266-000:ReserveForSpecialDisasterMember jppfs_cor:NonConsolidatedMember E01266-000 2024-03-31 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E01266-000 2024-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E01266-000 2024-03-31 jpcrp_cor:No10MajorShareholdersMember E01266-000 2022-04-01 2023-03-31 jpcrp_cor:ReconcilingItemsMember E01266-000 2022-04-01 2023-03-31 jpcrp030000-asr_E01266-000:STEELReportableSegmentsMember E01266-000 2022-04-01 2023-03-31 jpcrp030000-asr_E01266-000:MATERIALRECYCLINGReportableSegmentsMember E01266-000 2023-03-31 jpcrp_cor:ReconcilingItemsMember E01266-000 2023-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01266-000 2023-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E01266-000 2023-03-31 jppfs_cor:RevaluationReserveForLandMember E01266-000 2023-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01266-000 2023-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01266-000 2023-03-31 jppfs_cor:NonControllingInterestsMember E01266-000 2022-03-31 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01266-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:KitadaMasahiroMember E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:KunimaruHiroshiMember E01266-000 2024-03-31 jpcrp_cor:Row6Member E01266-000 2024-03-31 jpcrp_cor:Row7Member E01266-000 2024-03-31 jpcrp_cor:Row8Member E01266-000 2024-03-31 jpcrp_cor:Row9Member E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:MaedaToyojiMember E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:FunatoKimikoMember E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:KawaiKenjiMember E01266-000 2024-03-31 jpcrp_cor:Row5Member E01266-000 2024-03-31 jpcrp030000-asr_E01266-000:STEELOVERSEASReportableSegmentsMember E01266-000 2023-04-01 2024-03-31 jpcrp030000-asr_E01266-000:STEELOVERSEASReportableSegmentsMember E01266-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E01266-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForReductionEntry2Member E01266-000 2024-06-26 jpcrp_cor:Row9Member E01266-000 2024-06-26 jpcrp_cor:Row14Member E01266-000 2023-04-01 2024-03-31 E01266-000 2023-03-31 E01266-000 2022-04-01 2023-03-31 E01266-000 2022-03-31 E01266-000 2021-04-01 2022-03-31 E01266-000 2021-03-31 E01266-000 2020-04-01 2021-03-31 E01266-000 2020-03-31 E01266-000 2019-04-01 2020-03-31 E01266-000 2024-06-26 E01266-000 2024-03-31 E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:KaikawaYasuhiroMember E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:YokoyamaMasamiMember E01266-000 2023-03-31 jpcrp030000-asr_E01266-000:STEELOVERSEASReportableSegmentsMember E01266-000 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01266-000 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01266-000 2024-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E01266-000 2024-03-31 jppfs_cor:RevaluationReserveForLandMember E01266-000 2024-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01266-000 2024-03-31 jppfs_cor:NonControllingInterestsMember E01266-000 2023-04-01 2024-03-31 jppfs_cor:ShareholdersEquityMember E01266-000 2024-03-31 jpcrp_cor:Row1Member E01266-000 2024-03-31 jpcrp_cor:Row2Member E01266-000 2024-03-31 jpcrp_cor:Row3Member E01266-000 2024-03-31 jpcrp_cor:Row4Member E01266-000 2023-04-01 2024-03-31 jpcrp_cor:ReportableSegmentsMember E01266-000 2024-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E01266-000 2023-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E01266-000 2024-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E01266-000 2024-03-31 jpcrp030000-asr_E01266-000:MATERIALRECYCLINGReportableSegmentsMember jppfs_cor:NonConsolidatedMember E01266-000 2024-03-31 jpcrp_cor:CorporateSharedMember jppfs_cor:NonConsolidatedMember E01266-000 2024-03-31 jpcrp_cor:SharesWithNoVotingRightsMember E01266-000 2024-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsTreasurySharesEtcMember E01266-000 2024-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsOtherMember E01266-000 2024-03-31 jpcrp_cor:SharesWithFullVotingRightsTreasurySharesEtcMember E01266-000 2024-03-31 jpcrp_cor:OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember E01266-000 2024-03-31 jpcrp_cor:SharesWithFullVotingRightsOtherMember E01266-000 2024-03-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsOtherMember E01266-000 2024-03-31 jpcrp_cor:SharesLessThanOneUnitMember E01266-000 2024-03-31 jpcrp_cor:OrdinarySharesSharesLessThanOneUnitMember E01266-000 2024-06-26 jpcrp030000-asr_E01266-000:MatsukaYukakoMember iso4217:JPY xbrli:shares iso4217:JPY xbrli:shares xbrli:pure