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