Restructuring (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 17
Restructuring and Related Cost, Cost Incurred to Date	17
Restructuring Reserve	2	$ 3
Payments for Restructuring	(1)
EPCD [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	11
Restructuring and Related Cost, Cost Incurred to Date	11
Restructuring Reserve	1	1
Payments for Restructuring	0
Corporate and Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	6
Restructuring and Related Cost, Cost Incurred to Date	6
Restructuring Reserve	1	$ 2
Payments for Restructuring	$ (1)