Segment Information Level 4 (Details) - Revenues by Segment - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting Information [Line Items]
Net Sales to Unaffiliated Customers		$ 952	$ 1,087	$ 1,861	$ 2,166
Epoxy, Phenolic and Coating Resins [Member]
Segment Reporting Information [Line Items]
Net Sales to Unaffiliated Customers	[1]	613	683	1,188	1,357
Forest Products Resins [Member]
Segment Reporting Information [Line Items]
Net Sales to Unaffiliated Customers	[1]	$ 339	$ 404	$ 673	$ 809

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