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v3.25.2

Long-Duration Insurance Contracts Relating to Life Insurance Operations - Schedule of Single-Payment Whole Life Insurance (Detail) - Whole Life Insurance [Member] ¥ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2025 JPY (¥)
Liability for Future Policy Benefit, Activity [Line Items] |
Beginning balance | ¥ 0
New contract | 136,863
Surrenders and partial surrenders | (66)
Benefit payments and lump sum payments, etc. | (49)
Policy charges | (188)
Interests | 1,072
Effect of changes in foreign exchange rate | (3,060)
Ending balance | ¥ 134,572
Weighted average guaranteed interest rate | 3.90%
Benefits in excess of policyholder account balances | ¥ 0
Cash surrender value | ¥ 127,659

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