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Plant, Property and Equipment, Net (Details Textual) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Plant, Property and Equipment, Net [Abstract]
Recognized depreciation expense	$ 60	$ 44	$ 116	$ 88

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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