2026-03-31424702024-04-012024-09-30tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember424702024-04-012025-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember424702024-04-012025-03-31tse-ed-t:FirstQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember424702024-04-012025-03-31tse-ed-t:SecondQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember424702024-04-012025-03-31tse-ed-t:ThirdQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember424702024-04-012025-03-31tse-ed-t:YearEndMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember424702024-04-012025-03-31tse-ed-t:AnnualMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember424702025-04-012025-09-30tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ForecastMember424702025-04-012025-09-30tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:LowerMember424702025-04-012025-09-30tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:UpperMember424702025-04-012025-09-30tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:ForecastMember424702025-04-012025-09-30tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:LowerMember424702025-04-012025-09-30tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:UpperMember424702025-04-012026-03-31424702025-04-012026-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ForecastMember424702025-04-012026-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:LowerMember424702025-04-012026-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:UpperMember424702025-04-012026-03-31tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:ForecastMember424702025-04-012026-03-31tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:LowerMember424702025-04-012026-03-31tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:UpperMember424702025-04-012026-03-31tse-ed-t:FirstQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember424702025-04-012026-03-31tse-ed-t:FirstQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ForecastMember424702025-04-012026-03-31tse-ed-t:FirstQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:LowerMember424702025-04-012026-03-31tse-ed-t:FirstQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:UpperMember424702025-04-012026-03-31tse-ed-t:FirstQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:ForecastMember424702025-04-012026-03-31tse-ed-t:FirstQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:LowerMember424702025-04-012026-03-31tse-ed-t:FirstQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:UpperMember424702025-04-012026-03-31tse-ed-t:SecondQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember424702025-04-012026-03-31tse-ed-t:SecondQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ForecastMember424702025-04-012026-03-31tse-ed-t:SecondQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:LowerMember424702025-04-012026-03-31tse-ed-t:SecondQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:UpperMember424702025-04-012026-03-31tse-ed-t:SecondQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:ForecastMember424702025-04-012026-03-31tse-ed-t:SecondQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:LowerMember424702025-04-012026-03-31tse-ed-t:SecondQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:UpperMember424702025-04-012026-03-31tse-ed-t:ThirdQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember424702025-04-012026-03-31tse-ed-t:ThirdQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ForecastMember424702025-04-012026-03-31tse-ed-t:ThirdQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:LowerMember424702025-04-012026-03-31tse-ed-t:ThirdQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:UpperMember424702025-04-012026-03-31tse-ed-t:ThirdQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:ForecastMember424702025-04-012026-03-31tse-ed-t:ThirdQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:LowerMember424702025-04-012026-03-31tse-ed-t:ThirdQuarterMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:UpperMember424702025-04-012026-03-31tse-ed-t:YearEndMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ForecastMember424702025-04-012026-03-31tse-ed-t:YearEndMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:LowerMember424702025-04-012026-03-31tse-ed-t:YearEndMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:UpperMember424702025-04-012026-03-31tse-ed-t:YearEndMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:ForecastMember424702025-04-012026-03-31tse-ed-t:YearEndMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:LowerMember424702025-04-012026-03-31tse-ed-t:YearEndMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:UpperMember424702025-04-012026-03-31tse-ed-t:AnnualMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ForecastMember424702025-04-012026-03-31tse-ed-t:AnnualMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:LowerMember424702025-04-012026-03-31tse-ed-t:AnnualMembertse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:UpperMember424702025-04-012026-03-31tse-ed-t:AnnualMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:ForecastMember424702025-04-012026-03-31tse-ed-t:AnnualMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:LowerMember424702025-04-012026-03-31tse-ed-t:AnnualMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:UpperMember424702026-03-31424702026-03-31tse-ed-t:AnnualMembertse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:ResultMemberiso4217:JPYxbrli:pureiso4217:JPYxbrli:shares