Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Net sales	$ 970	$ 948	$ 1,879	$ 1,798	[1]
Cost of products sold	787	773	1,543	1,480
Gross profit	183	175	336	318
Selling and administrative expenses	79	77	156	154
Gain on disposal of shipping operations, net	(1)	0	(1)	0
Operating profit	105	98	181	164	[1]
Income from equity method investments	14	5	22	8
Interest expense	(40)	(45)	(83)	(92)
Interest income	0	0	1	1
Loss on extinguishment of debt			(19)	0
Gain on deconsolidation of subsidiaries and consolidated joint ventures	0	0	0	27
Other income, net	1	0	0	0
Income before income taxes	80	58	102	108
Income tax benefit (expense)	(1)	0	1	(5)
Income from continuing operations	79	58	103	103
Loss from discontinued operations, net of tax	0	(1)	0	(1)
Net income	$ 79	$ 57	$ 103	$ 102
Earnings (loss) per common share - basic:
Income from continuing operations	$ 0.54	$ 0.40	$ 0.70	$ 0.74
Loss from discontinued operations	0.00	(0.01)	0.00	(0.01)
Earnings per average common share	0.54	0.39	0.70	0.73
Earnings (loss) per common share - diluted:
Income from continuing operations	0.54	0.39	0.70	0.72
Loss from discontinued operations	0.00	(0.01)	0.00	(0.01)
Earnings per average diluted common share	$ 0.54	$ 0.38	$ 0.70	$ 0.71
Average common shares	145,424,853	144,500,682	145,393,548	139,702,728
Average diluted common shares	146,990,178	147,024,196	147,167,248	146,920,294

[1] Net sales and operating profit (loss) have been recast for the periods prior to April 1, 2014 to conform with the new presentation of reportable segments.