Employee Benefit Plans (Weighted Average Assumptions Used In Determining Net Periodic Benefit Cost And Benefit Obligations) (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets	6.25%	7.00%	7.25%
Nonqualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate, Net periodic benefit cost	2.00%	1.97%
Discount rate, Benefit obligations	1.24%	2.00%	1.97%
United States | Qualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate, Net periodic benefit cost	3.93%	3.27%	3.86%
Discount rate, Benefit obligations	2.83%	3.93%	3.27%
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets	3.70%	3.53%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase	3.15%	3.11%
Pension Plan [Member] | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	3.09%	3.14%	3.11%
Other Postretirement Benefits Plan [Member] | United States
Defined Benefit Plan Disclosure [Line Items]
Discount rate, Benefit obligations	3.05%	4.10%	3.48%
Other Postretirement Benefits Plan [Member] | United States | Qualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate, Net periodic benefit cost	4.10%	3.48%	3.63%