Retirement and Employee Benefit Plans (Schedule of Assumptions Used - Benefit Obligations) (Details)	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase (1)		3.50%
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.60%	3.20%
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.50%	3.10%