Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Net sales	$ 948	$ 916	$ 1,798	$ 1,730
Cost of products sold	773	765	1,480	1,455
Gross profit	175	151	318	275
Selling and administrative expenses	77	76	154	149
Restructuring charges	0	1	0	3
Operating profit	98	74	164	123
Income from equity method investments	(5)	(1)	(8)	(1)
Interest expense	45	50	92	100
Interest income	0	(1)	(1)	(2)
Gain on deconsolidation of subsidiaries and consolidated joint ventures	0	0	(27)	0
Other income, net	0	(1)	0	0
Income from continuing operations before income taxes	58	27	108	26
Income tax expense (benefit)	0	2	5	(1)
Income from continuing operations	58	25	103	27
Loss from discontinued operations, net of tax	(1)	0	(1)	0
Net income	$ 57	$ 25	$ 102	$ 27
Income from continuing operations, per basic share	$ 0.40	$ 0.23	$ 0.74	$ 0.25
Loss from discontinued operations, per basic share	$ (0.01)	$ 0.00	$ (0.01)	$ 0.00
Income per basic share	$ 0.39	$ 0.23	$ 0.73	$ 0.25
Income from continuing operations, per diluted share	$ 0.39	$ 0.22	$ 0.72	$ 0.24
Income from discontinued operations, per diluted share	$ (0.01)	$ 0.00	$ (0.01)	$ 0.00
Income per diluted share	$ 0.38	$ 0.22	$ 0.71	$ 0.24
Average common shares	144,500,682	108,544,752	139,702,728	108,449,431
Average diluted common shares	147,024,196	111,047,951	146,920,294	111,245,400