Schedule of Weighted Average - Assumptions to Determine Net Periodic Pension Cost (Detail) |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
UNITED STATES | |||
Defined Benefit Plan Disclosure | |||
Discount rate | 3.50% | 2.50% | 2.20% |
Expected return on plan assets | 4.80% | 2.00% | 2.40% |
Salary progression rate | 2.40% | 2.40% | 2.40% |
Foreign Pension Plans, Defined Benefit | |||
Defined Benefit Plan Disclosure | |||
Discount rate | 3.50% | 1.10% | 0.70% |
Expected return on plan assets | 1.80% | 4.00% | 3.50% |
Salary progression rate | 2.10% | 2.20% | 2.30% |
Postretirement Benefit Plans | |||
Defined Benefit Plan Disclosure | |||
Discount rate | 5.00% | 2.60% | 2.20% |
Initial health care cost trend rate | 7.20% | 7.30% | 7.30% |
Ultimate health care cost trend rate | 4.50% | 4.50% | 4.50% |
Year in which ultimate health care cost trend rate is reached | 2032 | 2029 | 2029 |