Segment Information (Details) - EBITDA by Segment - USD ($) $ in Millions		3 Months Ended		6 Months Ended	9 Months Ended
	Jul. 01, 2019	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
Segment EBITDA	$ 18	$ 99	$ 128	$ 233	$ 374
Epoxy, Phenolic and Coating Resins
Segment Reporting Information [Line Items]
Segment EBITDA	0	50	66	111	208
Forest Products Resins
Segment Reporting Information [Line Items]
Segment EBITDA	18	66	76	152	219
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Segment EBITDA	$ 0	$ (17)	$ (14)	$ (30)	$ (53)