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General (Details)
12 Months Ended
Dec. 31, 2018
country
production_location
segment
joint_venture
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Number of operating segments | segment 2
Number of countries in which entity operates (more than) | country 90
Number of production locations | production_location 22
China  
Schedule of Equity Method Investments [Line Items]  
Ownership of joint ventures (as a percent) 50.00%
Number of joint ventures | joint_venture 2