XML 98 R80.htm IDEA: XBRL DOCUMENT v3.19.2
Revenue from services provided to customers - Customer contract balances (Detail) - JPY (¥)
¥ in Millions
Mar. 31, 2019
Apr. 01, 2018
Contract with Customer, Asset and Liability [Abstract]    
Customer contract receivables ¥ 78,226 ¥ 68,927
Contract liabilities [1] ¥ 4,971 ¥ 3,792
[1] Contract liabilities primarily represent rise from investment advisory services recognized in connection with the term of the contract based on time elapsed.