Discontinued Operations (Income Statement Information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Abstract]
Net Sales	$ 146	$ 562	$ 309	$ 1,086
Income (loss) from operations	43	(182)	63	(1,108)
Income tax expense	(24)	76	(32)	160
Income from operations, net of income taxes	19	(106)	31	(948)
Loss on disposal	(25)	(31)	(40)	(36)
Income tax benefit (expense)	14	1	13	(9)
Income from continuing operations	$ 8	$ (136)	$ 4	$ (993)

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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Pretax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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After tax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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Income tax expense or benefit attributable to Income or Loss from discontinued operations during the phase-out period.

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

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of income (loss) from a disposal group, net of income tax before extraordinary items 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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