Restructuring Restructuring and Cost Reduction Programs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 26
Restructuring Reserve	14	$ 17
Restructuring expense	3
Payments for Restructuring	(6)
Restructuring and Related Cost, Cost Incurred to Date	23
Epoxy, Phenolic and Coating Resins [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	16
Restructuring Reserve	9	11
Restructuring expense	2
Payments for Restructuring	(4)
Restructuring and Related Cost, Cost Incurred to Date	14
Forest Products Resins [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	6
Restructuring Reserve	2	3
Restructuring expense	1
Payments for Restructuring	(2)
Restructuring and Related Cost, Cost Incurred to Date	6
Corporate and Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	4
Restructuring Reserve	3	$ 3
Restructuring expense	0
Payments for Restructuring	0
Restructuring and Related Cost, Cost Incurred to Date	$ 3