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v3.23.3

Long-Duration Insurance Contracts Relating to Life Insurance Operations - Schedule of Balances of Policy Account (Detail) - Fixed Annuity And Annuitization Benefits - JPY (¥) ¥ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Mar. 31, 2023
Policyholder Account Balance [Line Items] |  |
Beginning balance | ¥ 158,952 | ¥ 193,322
Transfer in | 5,540 | 17,223
Surrenders and partial surrenders | (25) | (58)
Benefit payments and lump sum payments, etc | (15,142) | (50,956)
Policy charges | (113) | (262)
Transfer out | (188) | (409)
Interests | 532 | 1,209
Others | (12) | (1,117)
Ending balance | ¥ 149,544 | ¥ 158,952
Weighted average guaranteed interest rate (%) | 0.70% | 0.70%
Benefits in excess of policyholder account balances (Millions of yen) | ¥ 1 | ¥ 1
Cash surrender value (Millions of yen) | ¥ 143,335 | ¥ 152,578

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