Segment Information (Details) - EBITDA by Segment - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Segment EBITDA	$ 103	$ 118
Epoxy, Phenolic and Coating Resins
Segment Reporting Information [Line Items]
Segment EBITDA	52	70
Forest Products Resins
Segment Reporting Information [Line Items]
Segment EBITDA	68	67
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Segment EBITDA	$ (17)	$ (19)