Long-Term Employee Benefits (Schedule of Assumptions Used to Determine Benefit Obligations) (Details)	Dec. 31, 2012		Dec. 31, 2011
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.89%		4.49%
Rate of compensation increase	4.13%	[1]	4.18%	[1]
Other Long-Term Employee Benefit Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.85%		4.50%
Rate of compensation increase	4.40%	[1]	4.40%	[1]

[1] The rate of compensation increase represents the single annual effective salary increase that an average plan participant would receive during the participant's entire career at the company.