Retirement Benefit Plans - Weighted Average Actuarial Assumptions Used to Determine Projected Benefit Obligation for Defined Benefit Retirement Plans (Detail) |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| United States [Member] | |||
| Pension Plans, Postretirement and Other Employee Benefits [Line Items] | |||
| Discount rate | 5.58% | 5.05% | 5.38% |
| Foreign [Member] | |||
| Pension Plans, Postretirement and Other Employee Benefits [Line Items] | |||
| Discount rate | 2.10% | 1.76% | 2.21% |
| Rate of compensation increase | 2.45% | 2.50% | 2.34% |