Restructuring and Other (Narrative) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2016 USD ($) employee facility	Dec. 31, 2015 USD ($)
2015 European Division Actions [Member]
Restructuring Cost and Reserve [Line Items]
Number of facilities closed | facility	2
Restructuring accrual	$ 15	$ 17
Other Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring accrual	11
Termination Benefits [Member] | 2015 European Division Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 17
Reduction in number of employees | employee	280
Restructuring and related cost, expected cost to incur	$ 12
Restructuring accrual	$ 15	$ 17