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Benefit Plans (Assumptions used to Determine Net Periodic Benefit Cost) (Details)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Pension [Member]      
Discount rates:      
Service cost 5.40% 5.70% 3.20%
Interest cost 5.20% 5.50% 2.50%
Expected rate of return on plan assets 6.10% 6.10% 6.10%
Rate of compensation increase - long-term 4.00% 4.00% 4.00%
Postretirement Benefit Plan [Member]      
Discount rates:      
Service cost 5.30% 5.70% 3.20%
Interest cost 5.20% 5.50% 2.50%
Expected rate of return on plan assets 7.40% 7.40% 7.70%
Health care cost trend rate 6.50% 6.50% 6.50%