Benefit Obligations (Schedule of Principle Weighted Average Assumptions Used to Determine Benefit Obligations and Benefit Cost) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate obligations	4.00%	3.70%
Rate of compensation increase	2.70%	2.80%
Discount rate obligations	3.70%	4.60%	3.80%
Expected return on plan assets	7.80%	8.20%	8.00%
Rate of compensation increase	2.80%	3.00%	3.80%
United States Pension Plan of US Entity [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate obligations	4.20%	3.90%
Discount rate obligations	3.90%	4.70%	3.80%
Expected return on plan assets	8.00%	8.50%	8.50%
Rate of compensation increase		3.00%	4.00%
Foreign Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate obligations	2.60%	2.40%
Rate of compensation increase	2.70%	2.80%
Discount rate obligations	2.40%	3.70%	3.60%
Expected return on plan assets	6.00%	6.20%	5.80%
Rate of compensation increase	2.80%	2.80%	2.90%
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate obligations	3.70%	3.60%
Discount rate obligations	3.60%	4.40%	3.50%
United States Postretirement Benefit Plan of US Entity [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate obligations	4.00%	3.70%
Discount rate obligations	3.70%	4.30%	3.40%
Foreign Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate obligations	3.60%	3.50%
Discount rate obligations	3.50%	4.50%	3.80%