XML 192 R82.htm IDEA: XBRL DOCUMENT v3.22.4
Benefit Plans - Schedule of Assumptions (Detail)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Pension plans      
Benefit obligation assumptions      
Discount rate 4.77% 2.21% 1.74%
Rate of compensation increase 3.80% 3.61% 3.62%
Net periodic benefit expense assumptions      
Discount rate 2.21% 1.74% 2.68%
Expected long-term return on plan assets 2.89% 2.60% 3.32%
Rate of compensation increase 3.61% 3.62% 3.68%
Other post-retirement plans      
Benefit obligation assumptions      
Discount rate 5.11% 2.34% 1.77%
Net periodic benefit expense assumptions      
Discount rate 2.34% 1.77% 2.81%