Discontinued Operations - Financial Information for Discontinued Operations (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Discontinued Operations And Disposal Groups [Abstract]
Net Sales	$ 59	$ 89
Operating loss from discontinued operations	(3)	(11)
Impairment of assets	(10)
Loss on disposal of discontinued operations, net		(1)
Loss before income tax	(13)	(12)
Income tax benefit	(4)	(3)
Loss from discontinued operations	$ (9)	$ (9)

Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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- Definition

Amount of tax expense or benefit on gain (loss), not previously recognized, resulting from the sale of a business component.

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- Definition

Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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