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Postretirement and Other Benefits - Weighted Average Assumption of Projected Benefit Obligations (Details)
Dec. 31, 2015
Dec. 31, 2014
United States, Pension Benefits [Member]    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Discount rate 4.40% 3.94%
Rate of compensation increase 0.00% 0.00%
France, Pension Benefits [Member]    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Discount rate 1.43% 1.17%
Rate of compensation increase 1.90% 1.90%
United States, OPEB [Member]    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Discount rate 4.29% 3.82%
Rate of compensation increase 3.50% 3.50%