Employee Benefit Plans (Other Pension Assumptions) (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase (average)	4.25%	4.25%
Assumed health care cost trend rate Initial trend	6.00%	6.00%
Assumed health care cost trend rate Ultimate trend	4.50%	4.50%
Assumed health care cost trend rate Year ultimate trend reached	2030	2029
Pension Plans | Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.25%	5.55%
Interest crediting rate (average)	4.35%	4.65%
Pension Plans | Nonqualified Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.10%	5.45%
Interest crediting rate (average)	4.45%	4.80%
Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.15%	5.50%
Interest crediting rate (average)	4.00%	4.30%