Property, Plant and Equipment, Net (Schedule of Property, Plant and Equipment, Net) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Gross asset value	$ 4,585	$ 4,148
Accumulated depreciation	(1,316)	(1,131)
Property, plant and equipment, net	3,269	3,017
Land [Member]
Property, Plant and Equipment [Line Items]
Gross asset value	56	57
Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Gross asset value	41	39
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Gross asset value	636	334
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Gross asset value	3,473	2,589
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Gross asset value	$ 379	$ 1,129

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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