Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Revenue	$ 697	$ 520	$ 1,979	$ 1,569
Operating expenses:
Cost of products	562	433	1,606	1,312
Warehousing, selling and administrative	141	140	414	432
Operating loss	(6)	(53)	(41)	(175)
Other expense	(3)	(3)	(8)	(7)
Loss before income taxes	(9)	(56)	(49)	(182)
Income tax provision (benefit)	0	0	0	(19)
Net loss	$ (9)	$ (56)	$ (49)	$ (163)
Loss per share:
Basic loss per common share	$ (0.08)	$ (0.53)	$ (0.45)	$ (1.52)
Diluted loss per common share	$ (0.08)	$ (0.53)	$ (0.45)	$ (1.52)
Weighted-average common shares outstanding, basic	107,752,427	107,473,952	107,695,277	107,396,681
Weighted-average common shares outstanding, diluted	107,752,427	107,473,952	107,695,277	107,396,681