2021-03-31813602019-04-012020-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember813602020-04-012021-03-31813602020-04-012021-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ForecastMember813602020-04-012021-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:LowerMember813602020-04-012021-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:UpperMember813602020-04-012021-03-31tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:ForecastMember813602020-04-012021-03-31tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:LowerMember813602020-04-012021-03-31tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:UpperMember813602021-03-31iso4217:JPYxbrli:pureiso4217:JPYxbrli:shares