Segment Information Level 4 (Details) - EBITDA by Segment - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Segment EBITDA [Line Items]	$ 95	$ 122
Epoxy, Phenolic and Coating Resins [Member]
Segment Reporting Information [Line Items]
Segment EBITDA [Line Items]	52	83
Forest Products Resins [Member]
Segment Reporting Information [Line Items]
Segment EBITDA [Line Items]	61	56
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Segment EBITDA [Line Items]	$ (18)	$ (17)