v3.26.1
Investment in Securities (Summary of Investment in Securities) (Detail) - JPY (¥)
¥ in Millions
Mar. 31, 2026
Mar. 31, 2025
Equity securities [1] ¥ 782,413 ¥ 626,910
Available-for-sale debt securities 2,526,416 2,607,637
Total ¥ 3,308,829 ¥ 3,234,547
[1] The amount of assets under management of variable annuity and variable life insurance contracts included in equity securities were ¥132,313 million and ¥137,933 million as of March 31, 2025 and 2026, respectively. The amount of investment funds and others elected the fair value option included in equity securities were ¥24,960 million and ¥24,845 million as of March 31, 2025 and 2026, respectively.