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Benefit Plans - Weighted-Average Assumptions to Determine Benefit Obligations (Details) - Pension Plans
Dec. 31, 2019
Dec. 31, 2018
U.S. Plans    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 3.44% 4.40%
Expected rate of return on plan assets 5.00% 5.75%
Rate of compensation increase 4.00% 4.00%
Non-U.S. Plans    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 1.74% 2.45%
Expected rate of return on plan assets 4.20% 4.80%
Rate of compensation increase 3.17% 3.31%