Long-Term Employee Benefits (Schedule of Assumptions Used to Determine Net Periodic Benefit Cost) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Long-Term Employee Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.13%	4.60%	3.85%
Expected return on plan assets	0.00%	0.00%	0.00%
Rate of compensation increase	0.00%	0.00%	4.40%
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.93%	4.55%	3.90%
Expected return on plan assets	8.10%	8.35%	8.39%
Rate of compensation increase	4.01%	4.22%	4.14%