# 【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】 | 2025年６月19日
【事業年度】 | 第110期（自　2024年４月１日　至　2025年３月31日）
【会社名】 | 出光興産株式会社
【英訳名】 | Idemitsu Kosan Co.,Ltd.
【代表者の役職氏名】 | 代表取締役社長　　酒井　則明
【本店の所在の場所】 | 東京都千代田区大手町一丁目２番１号
【電話番号】 | 03（3213）3192
【事務連絡者氏名】 | 上席執行役員　経理財務部長　　坂田　貴志
【最寄りの連絡場所】 | 東京都千代田区大手町一丁目２番１号
【電話番号】 | 03（3213）3192
【事務連絡者氏名】 | 上席執行役員　経理財務部長　　坂田　貴志
【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）

E01084 50190 出光興産株式会社 Idemitsu Kosan Co.,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 2024-04-01 2025-03-31 FY 2025-03-31 2023-04-01 2024-03-31 2024-03-31 1 false false false E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:KashiwamuraMioMember E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:KitamuraNamiMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E01084-000:ReserveForAcquisitionOfSpecifiedSharesMember E01084-000 2024-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E01084-000:ReserveForAcquisitionOfSpecifiedSharesMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E01084-000:ReserveForAcquisitionOfSpecifiedSharesMember E01084-000 2023-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E01084-000:ReserveForAcquisitionOfSpecifiedSharesMember E01084-000 2025-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E01084-000:ReserveForAcquisitionOfSpecifiedSharesMember E01084-000 2025-03-31 jpcrp_cor:OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember E01084-000 2025-03-31 jpcrp_cor:SharesWithFullVotingRightsOtherMember E01084-000 2025-03-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsOtherMember E01084-000 2025-03-31 jpcrp_cor:SharesLessThanOneUnitMember E01084-000 2025-03-31 jpcrp_cor:OrdinarySharesSharesLessThanOneUnitMember E01084-000 2025-03-31 jpcrp_cor:OrdinarySharesReciprocalHoldingSharesWithFullVotingRightsTreasurySharesEtcMember E01084-000 2025-03-31 jpcrp_cor:Row1Member E01084-000 2025-03-31 jpcrp_cor:Row2Member E01084-000 2025-03-31 jpcrp_cor:Row3Member E01084-000 2025-03-31 jpcrp_cor:Row4Member E01084-000 2024-03-31 jpcrp_cor:Row1Member E01084-000 2024-03-31 jpcrp_cor:Row2Member E01084-000 2024-03-31 jpcrp_cor:Row3Member E01084-000 2024-03-31 jpcrp_cor:Row4Member E01084-000 2025-03-31 jpcrp030000-asr_E01084-000:BasicChemicalsReportableSegmentsMember jppfs_cor:NonConsolidatedMember E01084-000 2025-03-31 jpcrp030000-asr_E01084-000:FunctionalMaterialsReportableSegmentsMember jppfs_cor:NonConsolidatedMember E01084-000 2025-03-31 jpcrp030000-asr_E01084-000:PowerAndRenewableEnergyReportableSegmentsMember jppfs_cor:NonConsolidatedMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E01084-000 2023-03-31 jppfs_cor:CapitalSurplusMember E01084-000 2023-03-31 jppfs_cor:RetainedEarningsMember E01084-000 2023-03-31 jppfs_cor:TreasuryStockMember E01084-000 2023-03-31 jppfs_cor:ShareholdersEquityMember E01084-000 2023-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01084-000 2023-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E01084-000 2023-03-31 jppfs_cor:RevaluationReserveForLandMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:RevaluationReserveForLandMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:NonControllingInterestsMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:CapitalStockMember E01084-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E01084-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E01084-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E01084-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E01084-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E01084-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E01084-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E01084-000 2024-04-01 2025-03-31 jpcrp_cor:OutsideDirectorsAndOtherOfficersMember E01084-000 2025-03-31 jpcrp030000-asr_E01084-000:ResourcesReportableSegmentsMember E01084-000 2024-04-01 2025-03-31 jpcrp_cor:ReconcilingItemsMember E01084-000 2023-04-01 2024-03-31 jpcrp030000-asr_E01084-000:ResourcesReportableSegmentsMember E01084-000 2023-03-31 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01084-000 2023-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E01084-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E01084-000 2023-03-31 jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember jppfs_cor:NonConsolidatedMember E01084-000 2023-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E01084-000 2023-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E01084-000 2023-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E01084-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:DeferredGainsOrLossesOnHedgesMember E01084-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E01084-000 2023-03-31 jppfs_cor:RevaluationReserveForLandMember jppfs_cor:NonConsolidatedMember E01084-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E01084-000 2023-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E01084-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E01084-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01084-000 2024-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember jppfs_cor:NonConsolidatedMember E01084-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RevaluationReserveForLandMember E01084-000 2025-06-19 jpcrp_cor:Row8Member E01084-000 2025-06-19 jpcrp_cor:Row7Member E01084-000 2025-06-19 jpcrp_cor:Row6Member E01084-000 2025-06-19 jpcrp_cor:Row5Member E01084-000 2025-03-31 jppfs_cor:TreasuryStockMember E01084-000 2025-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01084-000 2025-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01084-000 2025-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E01084-000 2025-03-31 jppfs_cor:RevaluationReserveForLandMember E01084-000 2025-03-31 jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember jppfs_cor:NonConsolidatedMember E01084-000 2025-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E01084-000 2023-04-01 2024-03-31 jpcrp_cor:ReconcilingItemsMember E01084-000 2025-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E01084-000 2025-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember jppfs_cor:NonConsolidatedMember E01084-000 2025-03-31 jppfs_cor:RevaluationReserveForLandMember jppfs_cor:NonConsolidatedMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E01084-000 2025-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E01084-000 2024-04-01 2025-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E01084-000 2025-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E01084-000:PetroleumReportableSegmentsMember E01084-000 2024-04-01 2025-03-31 jpcrp030000-asr_E01084-000:PetroleumReportableSegmentsMember E01084-000 2025-03-31 jpcrp030000-asr_E01084-000:PetroleumReportableSegmentsMember E01084-000 2024-03-31 jpcrp030000-asr_E01084-000:PetroleumReportableSegmentsMember E01084-000 2023-04-01 2024-03-31 jpcrp030000-asr_E01084-000:PetroleumReportableSegmentsMember E01084-000 2024-03-31 jpcrp030000-asr_E01084-000:PowerAndRenewableEnergyReportableSegmentsMember E01084-000 2023-04-01 2024-03-31 jpcrp030000-asr_E01084-000:PowerAndRenewableEnergyReportableSegmentsMember E01084-000 2024-03-31 jpcrp030000-asr_E01084-000:FunctionalMaterialsReportableSegmentsMember E01084-000 2023-04-01 2024-03-31 jpcrp030000-asr_E01084-000:FunctionalMaterialsReportableSegmentsMember E01084-000 2024-03-31 jpcrp030000-asr_E01084-000:BasicChemicalsReportableSegmentsMember E01084-000 2023-04-01 2024-03-31 jpcrp030000-asr_E01084-000:BasicChemicalsReportableSegmentsMember E01084-000 2025-03-31 jpcrp030000-asr_E01084-000:PowerAndRenewableEnergyReportableSegmentsMember E01084-000 2024-04-01 2025-03-31 jpcrp030000-asr_E01084-000:PowerAndRenewableEnergyReportableSegmentsMember E01084-000 2025-03-31 jpcrp030000-asr_E01084-000:FunctionalMaterialsReportableSegmentsMember E01084-000 2024-04-01 2025-03-31 jpcrp030000-asr_E01084-000:FunctionalMaterialsReportableSegmentsMember E01084-000 2025-03-31 jpcrp030000-asr_E01084-000:BasicChemicalsReportableSegmentsMember E01084-000 2024-04-01 2025-03-31 jpcrp030000-asr_E01084-000:BasicChemicalsReportableSegmentsMember E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:HiranoAtsuhikoMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember jppfs_cor:NonConsolidatedMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RevaluationReserveForLandMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E01084-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E01084-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:LegalRetainedEarningsMember jppfs_cor:NonConsolidatedMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember jppfs_cor:NonConsolidatedMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:DeferredGainsOrLossesOnHedgesMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:RevaluationReserveForLandMember jppfs_cor:NonConsolidatedMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:LegalRetainedEarningsMember jppfs_cor:NonConsolidatedMember E01084-000 2025-03-31 jpcrp_cor:No1MajorShareholdersMember E01084-000 2025-03-31 jpcrp_cor:ReconcilingItemsMember E01084-000 2025-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E01084-000 2025-03-31 jpcrp_cor:No8MajorShareholdersMember E01084-000 2025-03-31 jpcrp_cor:No9MajorShareholdersMember E01084-000 2025-03-31 jpcrp_cor:No10MajorShareholdersMember E01084-000 2023-04-01 2024-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E01084-000 2023-04-01 2024-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:NagataShioriMember E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:TezukaMasahikoMember E01084-000 2023-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01084-000 2023-03-31 jppfs_cor:NonControllingInterestsMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:RetainedEarningsMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:CapitalSurplusMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember E01084-000 2024-03-31 jppfs_cor:NonConsolidatedMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember E01084-000 2023-03-31 jppfs_cor:NonConsolidatedMember E01084-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember E01084-000 2022-03-31 jppfs_cor:NonConsolidatedMember E01084-000 2021-04-01 2022-03-31 jppfs_cor:NonConsolidatedMember E01084-000 2025-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01084-000 2024-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01084-000 2023-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:KadoMakiMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01084-000 2024-03-31 jppfs_cor:CapitalSurplusMember E01084-000 2025-06-19 jpcrp_cor:OrdinaryShareMember E01084-000 2025-03-31 jpcrp_cor:OrdinaryShareMember E01084-000 2025-03-31 jpcrp_cor:SharesWithNoVotingRightsMember E01084-000 2025-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsTreasurySharesEtcMember E01084-000 2024-04-01 2025-03-31 jpcrp_cor:CorporateAuditorsExcludingOutsideCorporateAuditorsMember E01084-000 2024-04-01 2025-03-31 jpcrp_cor:DirectorsExcludingOutsideDirectorsMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:TreasuryStockMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:ShareholdersEquityMember E01084-000 2025-03-31 jpcrp_cor:No7MajorShareholdersMember E01084-000 2024-03-31 jppfs_cor:RetainedEarningsMember E01084-000 2024-03-31 jppfs_cor:CapitalStockMember E01084-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E01084-000 2025-03-31 jppfs_cor:ShareholdersEquityMember E01084-000 2025-03-31 jppfs_cor:CapitalStockMember E01084-000 2025-03-31 jppfs_cor:CapitalSurplusMember E01084-000 2025-03-31 jppfs_cor:RetainedEarningsMember E01084-000 2025-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E01084-000:ResourcesReportableSegmentsMember E01084-000 2025-03-31 jppfs_cor:NonConsolidatedMember jpcrp_cor:OtherOperatingSegmentsAxisMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:RevaluationReserveForLandMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01084-000 2023-04-01 2024-03-31 jppfs_cor:NonControllingInterestsMember E01084-000 2024-03-31 jppfs_cor:TreasuryStockMember E01084-000 2024-03-31 jppfs_cor:ShareholdersEquityMember E01084-000 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01084-000 2024-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E01084-000 2024-03-31 jppfs_cor:RevaluationReserveForLandMember E01084-000 2024-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01084-000 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01084-000 2025-03-31 jppfs_cor:NonConsolidatedMember E01084-000 2024-03-31 jppfs_cor:NonControllingInterestsMember E01084-000 2023-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E01084-000 2023-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01084-000 2024-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E01084-000 2025-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E01084-000 2025-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsOtherMember E01084-000 2025-06-19 jpcrp_cor:Row1Member E01084-000 2025-06-19 jpcrp_cor:Row2Member E01084-000 2025-06-19 jpcrp_cor:Row3Member E01084-000 2025-06-19 jpcrp_cor:Row4Member E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:KitoShunichiMember E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:IdemitsuMasakazuMember E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:KikkawaTakeoMember E01084-000 2024-03-31 jpcrp_cor:Row5Member E01084-000 2024-03-31 jpcrp_cor:Row6Member E01084-000 2024-03-31 jpcrp_cor:Row7Member E01084-000 2024-03-31 jpcrp_cor:Row8Member E01084-000 2024-03-31 jpcrp_cor:Row9Member E01084-000 2024-03-31 jpcrp_cor:Row10Member E01084-000 2024-03-31 jpcrp_cor:Row11Member E01084-000 2025-03-31 jpcrp_cor:ReportableSegmentsMember E01084-000 2023-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01084-000 2024-04-01 2025-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E01084-000 2024-04-01 2025-03-31 jpcrp_cor:ReportableSegmentsMember E01084-000 2024-04-01 2025-03-31 jpcrp030000-asr_E01084-000:ResourcesReportableSegmentsMember E01084-000 2025-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01084-000 2025-03-31 jppfs_cor:NonControllingInterestsMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:ShareholdersEquityMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:CapitalStockMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:CapitalSurplusMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:RetainedEarningsMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:TreasuryStockMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01084-000 2024-04-01 2025-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01084-000 2025-03-31 jpcrp_cor:OtherOperatingSegmentsAxisMember E01084-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E01084-000 2024-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E01084-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E01084-000 2025-03-31 jpcrp_cor:Row5Member E01084-000 2025-03-31 jpcrp_cor:Row6Member E01084-000 2025-03-31 jpcrp_cor:Row7Member E01084-000 2025-03-31 jpcrp_cor:Row8Member E01084-000 2025-03-31 jpcrp_cor:Row9Member E01084-000 2025-03-31 jpcrp_cor:Row10Member E01084-000 2025-03-31 jpcrp_cor:Row11Member E01084-000 2025-03-31 jpcrp_cor:Row12Member E01084-000 2025-03-31 jpcrp_cor:No2MajorShareholdersMember E01084-000 2025-03-31 jpcrp_cor:No3MajorShareholdersMember E01084-000 2025-03-31 jpcrp_cor:No4MajorShareholdersMember E01084-000 2025-03-31 jpcrp_cor:No5MajorShareholdersMember E01084-000 2025-03-31 jpcrp_cor:No6MajorShareholdersMember E01084-000 2023-04-01 2024-03-31 jpcrp_cor:ReportableSegmentsMember E01084-000 2024-03-31 jpcrp_cor:ReconcilingItemsMember E01084-000 2024-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E01084-000 2024-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E01084-000 2024-03-31 jpcrp030000-asr_E01084-000:ResourcesReportableSegmentsMember E01084-000 2024-03-31 jpcrp_cor:ReportableSegmentsMember E01084-000 2021-03-31 jppfs_cor:NonConsolidatedMember E01084-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember E01084-000 2023-03-31 jppfs_cor:CapitalStockMember E01084-000 2024-04-01 2025-03-31 jpcrp030000-asr_E01084-000:KitoShunichiMember E01084-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E01084-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember E01084-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E01084-000 2024-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E01084-000 2024-04-01 2025-03-31 jpcrp030000-asr_E01084-000:SakaiNoriakiMember E01084-000 2024-04-01 2025-03-31 jpcrp030000-asr_E01084-000:HiranoAtsuhikoMember E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:YoshiokaTsutomuMember E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:SakaiNoriakiMember E01084-000 2025-06-19 E01084-000 2025-03-31 E01084-000 2024-03-31 E01084-000 2023-03-31 E01084-000 2022-04-01 2023-03-31 E01084-000 2022-03-31 E01084-000 2021-04-01 2022-03-31 E01084-000 2021-03-31 E01084-000 2020-04-01 2021-03-31 E01084-000 2023-04-01 2024-03-31 E01084-000 2024-04-01 2025-03-31 E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:SawaMasahikoMember E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:KodamaHidefumiMember E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:IchigeYumikoMember E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:SuzukiJunMember E01084-000 2025-06-19 jpcrp030000-asr_E01084-000:KuboharaKazunariMember iso4217:JPY xbrli:shares xbrli:shares iso4217:JPY xbrli:pure