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v3.23.2

Pension Plans (Funded Status of Defined Benefit Pension Plans) (Detail) - JPY (¥) ¥ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Change in benefit obligation: |  |  |  |  |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax |  | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax |  |
Japan |  |  |  |  |
Change in benefit obligation: |  |  |  |  |
Benefit obligation at beginning of year | ¥ 111,010 |  | ¥ 114,556 |  |
Service cost | 5,704 |  | 6,058 |  | ¥ 5,831
Interest cost | 731 |  | 791 |  | 698
Actuarial loss (income) | (6,538) |  | (3,977) |  |
Plan participant's contributions | 0 |  | 0 |  |
Benefits paid | (4,770) |  | (4,776) |  |
Business combinations | 4,733 |  | 0 |  |
Plan amendments | (1,111) |  | (1,642) |  |
Foreign currency exchange rate change | 0 |  | 0 |  |
Benefit obligation at end of year | 109,759 |  | 111,010 |  | 114,556
Change in plan assets: |  |  |  |  |
Fair value of plan assets at beginning of year | 137,317 | [1] | 134,392 |  |
Actual return on plan assets | (3,108) |  | 2,819 |  |
Employer contribution | 4,162 |  | 3,909 |  |
Plan participant's contributions | 0 |  | 0 |  |
Benefits paid | (3,913) |  | (3,803) |  |
Business combinations | 2,456 |  | 0 |  |
Plan amendments | (111) |  | 0 |  |
Foreign currency exchange rate change | 0 |  | 0 |  |
Fair value of plan assets at end of year | 136,803 | [1] | 137,317 | [1] | 134,392
The funded status of the plans | 27,044 |  | 26,307 |  |
Amount recognized in the consolidated balance sheets consists of: |  |  |  |  |
Prepaid benefit cost included in other assets | 42,337 |  | 40,118 |  |
Accrued benefit liability included in other liabilities | (15,293) |  | (13,811) |  |
Net amount recognized | 27,044 |  | 26,307 |  |
Overseas plans |  |  |  |  |
Change in benefit obligation: |  |  |  |  |
Benefit obligation at beginning of year | 121,148 |  | 128,573 |  |
Service cost | 3,432 |  | 3,947 |  | 3,288
Interest cost | 2,309 |  | 1,329 |  | 1,711
Actuarial loss (income) | (25,124) |  | (18,503) |  |
Plan participant's contributions | 334 |  | 295 |  |
Benefits paid | (1,131) |  | (1,552) |  |
Business combinations | 196 |  | 0 |  |
Plan amendments | (285) |  | 254 |  |
Foreign currency exchange rate change | 7,537 |  | 6,805 |  |
Benefit obligation at end of year | 108,416 |  | 121,148 |  | 128,573
Change in plan assets: |  |  |  |  |
Fair value of plan assets at beginning of year | 127,251 |  | 119,858 |  |
Actual return on plan assets | (15,709) |  | (836) |  |
Employer contribution | 2,927 |  | 2,530 |  |
Plan participant's contributions | 334 |  | 295 |  |
Benefits paid | (962) |  | (1,439) |  |
Business combinations | 175 |  | 0 |  |
Plan amendments | 0 |  | 0 |  |
Foreign currency exchange rate change | 8,188 |  | 6,843 |  |
Fair value of plan assets at end of year | 122,204 |  | 127,251 |  | ¥ 119,858
The funded status of the plans | 13,788 |  | 6,103 |  |
Amount recognized in the consolidated balance sheets consists of: |  |  |  |  |
Prepaid benefit cost included in other assets | 15,465 |  | 7,753 |  |
Accrued benefit liability included in other liabilities | (1,677) |  | (1,650) |  |
Net amount recognized | ¥ 13,788 |  | ¥ 6,103 |  |
[1] | Others include derivative instruments held for hedging change in the fair value of equity securities, and short-term instruments.

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