Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Net sales	$ 909	$ 850	[1]
Cost of products sold	756	707
Gross profit	153	143
Selling and administrative expenses	77	77
Operating profit	76	66	[1]
Income from equity method investments	8	3
Interest expense	(43)	(47)
Interest income	1	1
Loss on extinguishment of debt	(19)	0
Gain on deconsolidation of subsidiaries and consolidated joint ventures	0	27
Other expense, net	(1)	0
Income before income taxes	22	50
Income tax benefit (expense)	2	(5)
Net income	$ 24	$ 45
Earnings (loss) per common share - basic:
Earnings per average common share	$ 0.16	$ 0.33
Earnings (loss) per common share - diluted:
Earnings per average diluted common share	$ 0.16	$ 0.32
Average common shares	145,381,269	137,765,694
Average diluted common shares	147,176,197	146,920,819

[1] Net sales and operating profit (loss) have been recast for the three months ended March 31, 2014 to conform with the new presentation of reportable segments.