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Employee Benefit Plans - Defined Benefit Plan, Assumptions Used (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Domestic Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 2.50% 3.40% 4.30%
Expected return on plan assets 7.25% 7.25% 7.50%
Rate of compensation increase     4.00%
Foreign Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 1.55% 2.05% 2.95%
Expected return on plan assets 4.00% 4.00% 5.10%
Rate of compensation increase 3.15% 3.15% 3.40%
Other Postretirement Benefits Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 2.55% 3.35% 4.35%
Rate of compensation increase 4.00% 4.00% 4.00%