Segment Information Level 4 (Details) - EBITDA by Segment - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Segment EBITDA [Line Items]	$ 100	$ 130	$ 195	$ 252
Epoxy, Phenolic and Coating Resins [Member]
Segment Reporting Information [Line Items]
Segment EBITDA [Line Items]	46	83	98	166
Forest Products Resins [Member]
Segment Reporting Information [Line Items]
Segment EBITDA [Line Items]	68	63	129	119
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Segment EBITDA [Line Items]	$ (14)	$ (16)	$ (32)	$ (33)