Pension and Other Postretirement Benefit Plans (Weighted-average assumptions used to determine benefit obligation at end of year and net periodic cost) (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
United States Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate	4.05%	4.95%
Rate of compensation increase	4.50%	4.50%
Discount rate used calculating net periodic benefit cost	4.95%	4.05%	4.80%
Expected long-term rate of return on plan assets	7.25%	7.50%	7.50%
Rate of compensation increase used calculating net periodic benefit cost	4.50%	4.50%	4.50%
Foreign Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate	3.32%	4.16%
Rate of compensation increase	3.23%	3.40%
Discount rate used calculating net periodic benefit cost	3.89%	3.93%	5.04%
Expected long-term rate of return on plan assets	5.44%	5.40%	5.44%
Rate of compensation increase used calculating net periodic benefit cost	3.35%	3.51%	3.48%
Other Postretirement Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate	4.27%	4.95%
Discount rate used calculating net periodic benefit cost	5.25%	4.03%	5.03%
Health care cost trend rate
Initial rate	7.00%	7.00%	8.00%
Ultimate rate	5.00%	5.00%	5.00%
Year that ultimate rate will be reached	2017	2017	2015