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v3.25.2

Pension Plans (Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Loss) (Detail) - JPY (¥) ¥ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Japan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Current year actuarial gain (loss) | ¥ 5,125 | ¥ 12,990 | ¥ 650
Amortization of net actuarial loss | (93) | 59 | 79
Prior service credit due to amendments | (278) | 0 | 881
Amortization of prior service credit | (72) | (84) | (47)
Settlements | (148) | 0 | 0
Total recognized in other comprehensive income (loss), pre-tax | 4,534 | 12,965 | 1,563
Overseas plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Current year actuarial gain (loss) | 3,226 | 5,728 | 4,810
Amortization of net actuarial loss | 9 | 11 | 9
Prior service credit due to amendments | (179) | (145) | (36)
Amortization of prior service credit | (322) | (354) | (329)
Amortization of transition obligation | 1 | 1 | 1
Foreign currency exchange rate change | (78) | 641 | 60
Total recognized in other comprehensive income (loss), pre-tax | ¥ 2,657 | ¥ 5,882 | ¥ 4,515

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