2021-03-31674502019-04-012020-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember674502020-04-012021-03-31674502020-04-012021-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ForecastMember674502020-04-012021-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:LowerMember674502020-04-012021-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:UpperMember674502020-04-012021-03-31tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:ForecastMember674502020-04-012021-03-31tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:LowerMember674502020-04-012021-03-31tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:UpperMember674502021-03-31iso4217:JPYxbrli:pureiso4217:JPYxbrli:shares