Property, Plant and Equipment (Details) (USD $)	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Property, Plant and Equipment [Abstract]
Property, plant and equipment	$ 13,153,166,000		$ 13,153,166,000		$ 12,795,280,000
Less: Accumulated depreciation	(5,562,443,000)		(5,562,443,000)		(5,204,666,000)
Property, plant and equipment, net	7,590,723,000		7,590,723,000		7,590,614,000
Depreciation expense	$ 225,400,000	$ 85,900,000	$ 444,500,000	$ 172,900,000

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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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- Definition

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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