Discontinued Operations - Financial Information for Discontinued Operations (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Discontinued Operations And Disposal Groups [Abstract]
Net sales	$ 321	$ 389	$ 409
Operating loss from discontinued operations	(44)	(58)	(9)
Impairment of assets held for sale	(3)	(130)	(23)
Loss on disposal of discontinued operations, net	(6)	(3)
Loss before income tax	(53)	(191)	(32)
Income tax expense (benefit)	8	(10)	(16)
Loss from discontinued operations, net	$ (61)	$ (181)	$ (16)

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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