Nonpension Postretirement Benefits (Assumptions Used) (Details)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate used to determine accumulated postretirement benefit obligation	4.05%	4.56%	4.10%
Discount rate used to determine net postretirement benefit cost	4.56%	4.10%	4.74%
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate used to determine accumulated postretirement benefit obligation	3.48%	3.69%	3.61%
Discount rate used to determine net postretirement benefit cost	3.69%	3.61%	4.36%