Long-Term Employee Benefits (Schedule of Assumptions Used to Determine Net Periodic Benefit Cost) (Details)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.32%	5.32%	5.80%
Expected return on plan assets	8.61%	8.73%	8.64%
Rate of compensation increase	4.18%	4.24%	4.24%
Other Long-Term Employee Benefit Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.49%	5.50%	6.00%
Expected return on plan assets	0.00%	0.00%	0.00%
Rate of compensation increase	4.40%	4.50%	4.50%