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v3.23.2

Investment in Securities (Summary of Investment in Securities) (Detail) - JPY (¥) ¥ in Millions | Mar. 31, 2023 | Mar. 31, 2022
--- | --- | ---
Statement [Line Items] |  |  |
Equity securities | [1] | ¥ 589,312 | ¥ 560,643
Trading debt securities |  | 2,179 | 2,503
Available-for-sale debt securities |  | 2,234,608 | 2,174,891
Held-to-maturity debt securities |  | 114,759 | 114,312
Total |  | ¥ 2,940,858 | ¥ 2,852,349
[1] | The amount of assets under management of variable annuity and variable life insurance contracts included in equity securities were ¥185,115 million and ¥151,445 million as of March 31, 2022 and 2023, respectively. The amount of investment funds that are accounted for under the equity method included in equity securities were ¥90,650 million and ¥ 90,993 million as of March 31, 2022 and 2023, respectively. The amount of investment funds and others elected the fair value option included in equity securities were ¥11,709 million and ¥16,032 million as of March 31, 2022 and 2023, respectively.

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