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Pension Benefit Plans (Weighted Average Assumptions Used To Determine Benefit Obligations) (Details) - Pension benefit plans
Dec. 31, 2020
Dec. 31, 2019
U.S. Pension Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 2.30% 3.20%
Rate of compensation increase   4.00%
Non-U.S. Pension Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 1.10% 1.40%
Rate of compensation increase 2.50% 2.40%