Restructuring (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 employees
Restructuring Cost and Reserve [Line Items]
Reduction in employees	200
Number of positions eliminated to date	180
Effect of cost savings	$ 10
Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Expected costs	2
Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Expected costs	$ 4