Condensed Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Net sales	$ 886	$ 946
Cost of sales	750	789
Gross profit	136	157
Selling, general and administrative expense	91	82
Gain on disposition	0	(44)
Asset impairments	0	25
Business realignment costs	4	9
Other operating expense, net	8	9
Operating income	33	76
Interest expense, net	80	83
Other non-operating income, net	(1)	(1)
Loss before income tax and earnings from unconsolidated entities	(46)	(6)
Income tax expense	7	8	$ 40
Loss before earnings from unconsolidated entities	(53)	(14)
Earnings from unconsolidated entities, net of taxes	1	1
Net loss	$ (52)	$ (13)