Restructuring Restructuring and Cost Reduction Programs (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Jul. 02, 2019	Jul. 01, 2019	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 2		$ 3	$ 3	$ 6
Restructuring expense	0	$ 1
Payments for Restructuring	1	(4)
Restructuring and Related Cost, Cost Incurred to Date	26
Epoxy, Phenolic and Coating Resins
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1		1	1	2
Restructuring expense	0	1
Payments for Restructuring	0	(2)
Restructuring and Related Cost, Cost Incurred to Date	14
Forest Products Resins
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1		1	1	2
Restructuring expense	0	0
Payments for Restructuring	0	(1)
Restructuring and Related Cost, Cost Incurred to Date	8
Corporate and Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0		$ 1	$ 1	$ 2
Restructuring expense	0	0
Payments for Restructuring	1	$ (1)
Restructuring and Related Cost, Cost Incurred to Date	$ 4