Pension and Other Employee Benefit Plans (Weighted-Average Assumptions Used to Determine Benefit Obligations and Net Periodic Benefit Cost) (Detail) |
12 Months Ended | ||
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Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Weighted-average assumptions used to determine benefit obligations at fiscal year end: | |||
| Discount rates | 2.49% | 1.67% | 1.00% |
| Rates of increase in future compensation levels | 2.00% | 2.00% | 2.00% |
| Interest credit rates | 5.20% | 4.79% | 4.52% |
| Weighted-average assumptions used to determine net periodic benefit cost during the year: | |||
| Discount rates | 1.67% | 1.00% | 0.82% |
| Rates of increase in future compensation levels | 2.00% | 2.00% | 2.00% |
| Expected rates of return on plan assets | 1.83% | 1.61% | 1.66% |
| Interest credit rates | 4.79% | 4.52% | 4.45% |
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted-average interest crediting rate used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, cash balance and other defined benefit plans with promised interest crediting rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted-average interest crediting rate used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, cash balance and other defined benefit plans with promised interest crediting rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- References No definition available.
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