v3.25.2
Cash segregated as deposits (Details) - JPY (¥)
¥ in Millions
Mar. 31, 2025
Mar. 31, 2024
[1]
Apr. 01, 2023
[1]
Cash segregated as deposits [Abstract]      
Cash segregated as deposits ¥ 51,655 ¥ 59,256 ¥ 40,936
Deposits received ¥ 50,911 ¥ 59,276 ¥ 41,058
[1] The comparative information is restated due to change in accounting policy. See Note 2 (5) “Changes in