v3.26.1
Pension And Other Postretirement Benefits (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Defined Benefit Plan Disclosure [Line Items]          
Expected employer contributions remainder of year $ 20,000,000.0   $ 20,000,000.0    
Pension Benefits [Member]          
Defined Benefit Plan Disclosure [Line Items]          
Required term of service to be eligible for plan match     one year of service and 1,000 hours of service    
Employer contributions 10,000,000.0 $ 10,000,000.0 $ 21,200,000 $ 22,600,000  
Postretirement Benefits [Member]          
Defined Benefit Plan Disclosure [Line Items]          
Plan assets $ 0   $ 0   $ 0