Segment Information Level 3 (Tables)

12 Months Ended

Dec. 31, 2018

Segment Information [Abstract]

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

Geographic Information

Net Sales⁽¹⁾:

	Year Ended December 31,
	2018		2017		2016
United States	$	1,662	$	1,513	$	1,389
Netherlands	628		595		583
Canada	365		344		302
China	230		270		296
Germany	201		198		180
Brazil	194		176		162
Other international	517		495		526
Total	$	3,797	$	3,591	$	3,438

(1) Sales are attributed to the country in which the individual business locations reside.

Depreciation and Amortization Expense by Segment [Table Text Block]

Depreciation and Amortization Expense:

	Year Ended December 31,
	2018		2017		2016
Epoxy, Phenolic and Coating Resins	$	69	$	71	$	87
Forest Products Resins	40		40		40
Corporate and Other	4		4		4
Total	$	113	$	115	$	131

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Segment EBITDA:

	Year Ended December 31,
	2018			2017			2016
Epoxy, Phenolic and Coating Resins (2)	$	226		$	174		$	258
Forest Products Resins (3)	285			257			240
Corporate and Other	(71		)	(66		)	(65		)
Total	$	440		$	365		$	433

Net Sales⁽¹⁾:

	Year Ended December 31,
	2018		2017		2016
Epoxy, Phenolic and Coating Resins	$	2,115	$	2,052	$	2,094
Forest Products Resins	1,682		1,539		1,344
Total	$	3,797	$	3,591	$	3,438

Total Assets:

	As of December 31,
	2018		2017
Epoxy, Phenolic and Coating Resins	$	1,031	$	1,100
Forest Products Resins	779		880
Corporate and Other	151		117
Total	$	1,961	$	2,097

Capital Expenditures by Segment [Table Text Block]

Capital Expenditures⁽⁴⁾:

	Year Ended December 31,
	2018		2017		2016
Epoxy, Phenolic and Coating Resins	$	56	$	73	$	72
Forest Products Resins	31		40		67
Corporate and Other	3		5		2
Total	$	90	$	118	$	141

Reconciliation of Segment EBITDA to Net Income [Table Text Block]

Reconciliation of Net Loss to Segment EBITDA:

	Year Ended December 31,
	2018			2017			2016
Net loss attributable to Hexion Inc.	$	(162	)	$	(234	)	$	(38	)
Net loss attributable to noncontrolling interest	1			—			—
Net loss	(163		)	(234		)	(38		)
Income tax expense	40			18			38
Interest expense, net	365			329			310
Depreciation and amortization	113			115			131
Accelerated depreciation	4			14			129
EBITDA	$	359		$	242		$	570
Items not included in Segment EBITDA:
Asset impairments and write-downs	$	32		$	13		$	—
Business realignment costs	29			52			55
Realized and unrealized foreign currency losses (gains)	27			3			(11		)
Gain on dispositions	(44		)	—			(240		)
Loss (gain) on extinguishment of debt	—			3			(48		)
Unrealized (gains) losses on pension and OPEB plan liabilities	(13		)	(4		)	34
Transaction costs	13			8			17
Other	37			48			56
Total adjustments	81			123			(137		)
Segment EBITDA	$	440		$	365		$	433
Segment EBITDA:
Epoxy, Phenolic and Coating Resins	$	226		$	174		$	258
Forest Products Resins	285			257			240
Corporate and Other	(71		)	(66		)	(65		)
Total	$	440		$	365		$	433

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]

Long-Lived Assets:

	As of December 31,
	2018		2017
United States	$	435	$	495
Germany	124		127
Netherlands	120		119
Brazil	62		76
Canada	61		68
Other international	175		195
Total	$	977	$	1,080