XML 146 R131.htm IDEA: XBRL DOCUMENT v3.7.0.1
Employee benefit plans - Expected benefit payments (Detail)
¥ in Millions
Mar. 31, 2017
JPY (¥)
Employee benefit plans  
2018 ¥ 12,232
2019 12,199
2020 11,806
2021 11,489
2022 11,708
2023-2027 ¥ 64,993