XML 83 R67.htm IDEA: XBRL DOCUMENT v3.22.4
Benefit Plans - Actuarial Calculation Assumptions (Details)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Pension Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Net periodic benefit cost, rate of compensation increase   4.00% 4.00%
Benefit obligations, rate of compensation increase   4.00%  
Minimum | Pension Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Net periodic benefit cost, discount rate 2.65% 2.29% 3.05%
Net periodic benefit cost, expected return on plan assets 6.50% 6.50% 6.50%
Net periodic benefit cost, rate of compensation increase 4.00%    
Benefit obligations, discount rate 4.95% 2.65%  
Benefit obligations, rate of compensation increase 4.50%    
Minimum | Other Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Net periodic benefit cost, discount rate 2.61% 2.18% 2.59%
Net periodic benefit cost, expected return on plan assets 4.20% 4.20% 4.20%
Benefit obligations, discount rate 4.96% 2.61%  
Maximum | Pension Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Net periodic benefit cost, discount rate 2.82% 2.48% 3.23%
Net periodic benefit cost, expected return on plan assets 6.75% 6.75% 6.75%
Net periodic benefit cost, rate of compensation increase 4.50%    
Benefit obligations, discount rate 5.24% 2.82%  
Benefit obligations, rate of compensation increase 5.00%    
Maximum | Other Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Net periodic benefit cost, discount rate 2.76% 2.41% 3.18%
Net periodic benefit cost, expected return on plan assets 6.00% 6.50% 6.50%
Benefit obligations, discount rate 5.21% 2.76%