Discontinued Operations - Financial Information for Discontinued Operations (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Discontinued Operations And Disposal Groups [Abstract]
Net Sales	$ 60		$ 80	$ 119	$ 169
Operating loss from discontinued operations	(5)		(10)	(8)	(21)
Impairment of assets	0	(10)		(10)
Loss on disposal of discontinued operations, net			(2)		(3)
Loss before income tax	(5)		(12)	(18)	(24)
Income tax expense (benefit)			12	(4)	9
Loss from discontinued operations, net	$ (5)		$ (24)	$ (14)	$ (33)