Insurance contracts in the financial services segment - Summary of remaining coverage and liabilities for incurred claims (Parenthetical) (Detail) - JPY (¥) ¥ in Millions |
Mar. 31, 2025 |
Mar. 31, 2024 |
Apr. 01, 2023 |
|---|---|---|---|
| Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items] | |||
| Insurance contract liabilities current | ¥ 181,332 | ¥ 162,344 | ¥ 145,057 |
| Insurance contract liabilities non-current | ¥ 12,689,306 | ¥ 12,931,995 | ¥ 12,364,973 |