Segment Information (Details) - Reconciliation of Segment EBITDA to Net Income - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Net loss	$ (52)	$ (13)
Income tax expense	7	8	$ 40
Interest expense, net	80	83
Depreciation and amortization	26	30
EBITDA	61	108
Other Asset Impairment Charges	0	25
Business realignment costs	4	9
Gain on disposition	0	44
Professional Fees	23	3
Realized and unrealized foreign currency losses	1	7
Other	14	10
Total adjustments	42	10
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)