XML 214 R161.htm IDEA: XBRL DOCUMENT v3.22.4
Retirement Plans and Profit Sharing Arrangements - Weighted Average Assumptions (Details)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Pension Plans      
Weighted average assumptions used to determine benefit obligations      
Discount rates 5.30% 2.46%  
Rates of increase in compensation levels 3.72% 3.72%  
Interest crediting rates for cash balance plans 5.00% 5.00%  
Weighted average assumptions used to determine net periodic benefit cost      
Discount rates 2.46% 2.33% 2.97%
Rates of increase in compensation levels 3.69% 5.21% 4.01%
Expected long term rates of return on assets 4.82% 6.58% 7.14%
Interest crediting rates for cash balance plans 5.00% 5.00% 5.00%
Other Postretirement Plans      
Weighted average assumptions used to determine benefit obligations      
Discount rates 5.41% 2.01%