v3.26.3
Pension And Other Postretirement Benefits (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Defined Benefit Plan Disclosure [Line Items]          
Employer contributions   $ 23,600,000      
Expected employer contributions remainder of year $ 10,000,000.0   $ 10,000,000.0    
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   $ 31,200,000 $ 46,200,000  
Postretirement Benefits [Member]          
Defined Benefit Plan Disclosure [Line Items]          
Plan assets $ 0   $ 0   $ 0