Severance Indemnities and Pension Plans (Summary for Plans with Accumulated Benefit Obligations in Excess of Plan Assets) (Detail) - JPY (¥) ¥ in Millions |
Mar. 31, 2022 |
Mar. 31, 2021 |
|---|---|---|
| Domestic, Japan | Pension benefits and SIPs | ||
| Defined benefit plan, pension plans with accumulated benefit obligations in excess of plan assets: | ||
| Projected benefit obligations | ¥ 25,327 | ¥ 24,527 |
| Accumulated benefit obligations | 25,327 | 24,527 |
| Fair value of plan assets | 7,223 | 6,738 |
| Foreign offices and subsidiaries | Pension benefits and other benefits | ||
| Defined benefit plan, pension plans with accumulated benefit obligations in excess of plan assets: | ||
| Projected benefit obligations | 87,876 | 92,527 |
| Accumulated benefit obligations | 67,612 | 68,720 |
| Fair value of plan assets | ¥ 20,139 | ¥ 21,532 |