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Employee Benefit Plans (Weighted-Average Assumptions used to Determine Net Benefit Cost) (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Rate of return on assets 2.74%    
Pension Plan | U.S.      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 3.16% 4.24% 3.48%
Rate of compensation increase 4.00% 4.00% 4.00%
Rate of return on assets 4.90% 5.50% 5.50%
Interest crediting rate 2.49% 3.36% 2.23%
Pension Plan | Non-U.S. Plans      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 2.05% 2.92% 2.56%
Rate of compensation increase 2.54% 2.69% 2.71%
Rate of return on assets 2.55% 5.27% 5.20%
Interest crediting rate 2.69% 2.69% 2.72%
Other Postretirement Benefits Plan      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 3.66% 5.17% 4.75%