v2.4.0.6

Basis of Presentation - Additional Information (Detail) (USD $) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2011 | Aug. 31, 2010 | Aug. 02, 2010 | Aug. 02, 2006 | Dec. 31, 2012 | Dec. 31, 2010 | Dec. 31, 2011
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] |  |  |  |  |  |  |
Percentage for sale of Philips semiconductor business |  |  |  | 80.10% |  |  |
Reverse stock split of shares of common stock |  |  | 1-for-20 |  |  |  |
Issuance of common stock initial public offering shares |  | 34,000,000 |  |  |  | 34,000,000 |
Number of common stock offered | 30,000,000 |  |  |  |  |  |
Common stock offering price per share | $ 30.00 |  |  |  |  |  |
Purchase of additional common stock shares offered |  |  |  |  | 4,431,000 |  |
Common stock shares outstanding |  |  | 4,305,030,000 |  |  |  |
Adjusted common stock shares to reflect reverse stock-split |  |  | 215,251,500 |  |  | 249,251,500 |
Total shares authorized |  |  |  |  |  |  | 1,076,257,500
Common stock, Authorized shares |  |  |  |  | 430,503,000 |  | 430,503,000
Common stock, issued and outstanding shares |  |  |  |  | 251,751,500 |  | 251,751,500
Preferred stock, shares authorized |  |  |  |  | 645,754,500 |  | 645,754,500

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