Segment Information Level 4 (Details) - Revenues by Segment - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Net Sales to Unaffiliated Customers	$ 870	$ 909
Epoxy, Phenolic and Coating Resins [Member]
Segment Reporting Information [Line Items]
Net Sales to Unaffiliated Customers	492	575	[1]
Forest Products Resins [Member]
Segment Reporting Information [Line Items]
Net Sales to Unaffiliated Customers	$ 378	$ 334	[1]

[1] Intersegment sales are not significant and, as such, are eliminated within the selling segment.