Restructuring (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 17	$ 17
Restructuring and Related Cost, Cost Incurred to Date	17	17
Restructuring Reserve	6	6	$ 12
Restructuring Charges	2	4
Payments for Restructuring		(10)
EPCD [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	4	4
Corporate and Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 2	$ 2