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Benefit Plans, Weighted Average Assumptions Used (Details)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Weighted Average Assumptions used to Determine Net Periodic Benefit Cost [Abstract]      
Discount rate 4.84% 4.30% 2.01%
Expected return on plan assets 6.53% 6.34% 6.28%
Rate of compensation increase 2.77% 2.74% 2.72%
Interest crediting rate 2.25% 2.25% 2.25%
Weighted Average Assumptions used to Determine Benefit Obligation [Abstract]      
Discount rate 4.63% 4.84% 2.42%
Rate of compensation increase 2.76% 2.76% 2.74%
Actual return/(loss) on pension assets 11.00% (22.00%) 12.00%
Maximum health care cost trend rate 5.00%