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Retirement Benefits (Assumptions Used To Determine Benefit Obligations) (Details)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year, Post-Medicare Plan Participants Adjustment 3.00% 3.00%  
Pension Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate at measurement date 5.75% 5.70%  
Increase in future compensation 4.00% 4.00%  
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Weighted-Average Interest Crediting Rate 5.50% 5.50%  
Postretirement Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate at measurement date 5.70% 5.70%  
Increase in future compensation 4.00% 4.00%  
Medical cost trend rate (ultimate) 5.00% 5.00% 5.00%
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year, Pre-Medicare Plan Participantes 7.50% 7.00%  
Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate 2036 2033  
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year, Post-Medicare Plan Participants Adjustment   3.00% 3.00%
Postretirement Health Coverage      
Defined Benefit Plan Disclosure [Line Items]      
Medical cost trend rate (ultimate) 2.50% 2.50% 2.50%
Medical cost trend rate (initial) 2.50% 2.50%