Pension and Employee Benefit Plans, Valuation Assumptions (Details) - U.S. Pension Plans |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| U.S. Plans | |||
| Assumptions Used in Pension Plan Calculations | |||
| Weighted average discount rate used to determine benefit obligations | 5.60% | 5.50% | |
| Weighted average discount rate used to determine costs | 5.50% | 5.40% | 5.20% |
| Non-U.S Plans | |||
| Assumptions Used in Pension Plan Calculations | |||
| Weighted average discount rate used to determine benefit obligations | 4.50% | 4.00% | |
| Weighted average discount rate used to determine costs | 4.20% | 3.90% | 4.00% |