Restructuring (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			$ 17
Restructuring and Related Cost, Cost Incurred to Date			16
Restructuring Reserve	$ 7	$ 12
Restructuring Charges	2
Payments for Restructuring	(7)
EPCD [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost			11
Restructuring and Related Cost, Cost Incurred to Date			10
Restructuring Reserve	4	9
Restructuring Charges	0
Payments for Restructuring	(5)
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	3	$ 3
Restructuring Charges	2
Payments for Restructuring	$ (2)