Pension and Other Postretirement Benefits (Details 7)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Defined benefit pension plans, U.S. [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	4.25%	5.20%
Increase in compensation	3.73%	3.72%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	5.20%	4.25%	5.05%
Long-term rate of return	9.00%	9.00%	9.00%
Increase in compensation	3.72%	3.71%	3.71%
Defined benefit pension plans, Non-U.S. [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	2.74%	3.93%
Increase in compensation	2.72%	2.76%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	3.93%	3.73%	4.46%
Long-term rate of return	5.07%	5.33%	5.79%
Increase in compensation	2.76%	2.69%	2.76%