Income Taxes (Details) (USD $)	3 Months Ended			9 Months Ended			12 Months Ended			9 Months Ended		9 Months Ended
	Sep. 30, 2012	Mar. 31, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Dec. 31, 2011 Federal [Member]	Sep. 30, 2011 Federal [Member]	Sep. 30, 2011 State Tax [Member]	Sep. 30, 2012 Net Logic [Member]	Feb. 17, 2012 Net Logic [Member]	Sep. 30, 2012 Broad Light [Member]	Apr. 30, 2012 Broad Light [Member]
Operating Loss Carryforwards [Line Items]
Adjustment of deferred tax (asset) liability	$ 12,000,000			$ 12,000,000
Valuation allowance against deferred tax assets										47,000,000		4,000,000
Cash purchase price	3,823,000,000			3,823,000,000							3,610,000,000		200,000,000
Reduction in net operating losses								620,000,000	430,000,000
Reduction in uncertain tax benefits								180,000,000	100,000,000
Research and Development Credits Generated During Period							118,000,000
Income Taxes (Textual) [Abstract]
Provision (benefit) for income taxes	(9,000,000)		6,000,000	(62,000,000)	7,000,000
Effective tax rates	(4.30%)		2.20%	(15.30%)	1.00%
Federal statutory income tax rate	35.00%		35.00%	35.00%	35.00%
Tax benefits resulting primarily from the expiration of statutes of limitations for the assessment of taxes in various foreign jurisdictions				7,000,000	6,000,000
Amount Loaned by foreign subsidiaries		1,500,000,000
Net deferred tax liabilities	$ 35,000,000			$ 35,000,000		$ 62,000,000