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Retirement Plans - Defined Benefit Plan, Weighted-Average Assumptions Used in Calculating Benefit Obligation (Detail)
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
U.S. Retiree Healthcare Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 5.62% 5.18% 5.42%
Interest crediting rate 5.25% 5.25% 5.25%
Non-U.S. Pension Plans [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 3.00% 2.97% 3.82%
Increases in compensation levels 2.92% 2.90% 3.14%
Interest crediting rate 2.09% 2.05% 1.57%