2020-03-31172002018-04-012019-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember172002018-04-012019-03-31tse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember172002019-04-012020-03-31172002019-04-012020-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ForecastMember172002019-04-012020-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:LowerMember172002019-04-012020-03-31tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:UpperMember172002019-04-012020-03-31tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:ForecastMember172002019-04-012020-03-31tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:LowerMember172002019-04-012020-03-31tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:UpperMember172002019-04-012020-03-31tse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ForecastMember172002019-04-012020-03-31tse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:LowerMember172002019-04-012020-03-31tse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:UpperMember172002019-04-012020-03-31tse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:ForecastMember172002019-04-012020-03-31tse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:LowerMember172002019-04-012020-03-31tse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:UpperMember172002020-03-31iso4217:JPYxbrli:pureiso4217:JPYxbrli:shares