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Pensions and Other Postretirement Benefits (Weighted-average Assumptions Used) (Details)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
To determine net periodic benefit cost (income)        
Decrease in discount rate     0.62%  
Pension Plan [Member]        
To determine projected benefit obligation        
Discount rate   4.65% 4.64% 5.26%
Rate of compensation increase   2.75% 2.75% 2.75%
To determine net periodic benefit cost (income)        
Rate to determine current service cost   4.62% 5.25% 3.40%
Rate to determine interest cost   4.61% 5.21% 2.67%
Rate of compensation increase   2.75% 2.75% 2.75%
Expected return on plan assets   7.30% 7.60% 7.00%
Expected return on plan asset assumption to be used in future year (in hundredths)   7.30%    
Pension Plan [Member] | Forecast [Member]        
To determine net periodic benefit cost (income)        
Expected return on plan asset assumption to be used in future year (in hundredths) 7.10%      
Decrease in discount rate 0.20%      
Pension Plan [Member] | Change In Methodology Of Net Periodic Pension Cost (Income) [Member]        
To determine net periodic benefit cost (income)        
Period in years over which realized and unrealized gains/losses and appreciation/depreciation in the value of the investments are recognized based on the companies election to use market related value   5 years    
Corridor percentage   10.00%    
Pension Plan [Member] | Maximum [Member] | Change In Methodology Of Net Periodic Pension Cost (Income) [Member]        
To determine net periodic benefit cost (income)        
Market-related value, as a percentage   110.00%    
Pension Plan [Member] | Minimum [Member] | Change In Methodology Of Net Periodic Pension Cost (Income) [Member]        
To determine net periodic benefit cost (income)        
Market-related value, as a percentage   90.00%    
Other postretirement benefits [Member]        
To determine projected benefit obligation        
Discount rate   4.85% 4.71% 5.23%
Rate of compensation increase   2.75% 2.75% 2.75%
To determine net periodic benefit cost (income)        
Rate to determine current service cost   4.73% 5.17% 3.43%
Rate to determine interest cost   4.68% 5.23% 2.74%
Rate of compensation increase   2.75% 2.75% 2.75%