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Business Combinations (Details Textuals) (USD $)			9 Months Ended
Business Combinations (Details Textuals) (USD $)	Sep. 30, 2011	Sep. 12, 2011	Sep. 30, 2011 Provigent [Member] Year	Apr. 30, 2011 Provigent [Member]	Sep. 30, 2011 Gigle [Member]	May 31, 2011 SC Square Ltd [Member]
Business Acquisition [Line Items]
Acquisition cost of acquired entity				$ 314,000,000		$ 40,000,000
Fair value of equity award			4,000,000
Fair value of equity award recorded to goodwill	134,000,000		1,000,000
Recognition of stock-based compensation expense over the number of years			3
Capitalization of IPR&D costs			45,000,000
Cash consideration paid to former shareholder					20,000,000
Contingent consideration originally recorded for estimated liability					1,000,000
Business Combinations (Textuals) [Abstract]
Agreed purchase price for pending acquisition		3,700,000,000
Agreed purchase price per share for pending acquisition		$ 50.00
Financing contingencies related to acquisition	$ 0