v2.4.0.6
Stockholders' Equity - Additional Information (Detail)
In Millions, except Share data, unless otherwise specified
 1 Months Ended 12 Months Ended
Nov. 30, 2011
Nov. 30, 2010
Aug. 31, 2010
Aug. 02, 2010
USD ($)
Dec. 31, 2010
USD ($)
Dec. 31, 2012
EUR (€)
Dec. 31, 2011
EUR (€)
Class of Stock [Line Items]              
Reverse stock split of shares of common stock       1-for-20      
Common stock shares, outstanding       4,305,030,000      
Adjusted common stock shares to reflect reverse stock split       215,251,500      
Capital stock, authorized shares           1,076,257,500 1,076,257,500
Common stock, Authorized shares           430,503,000 430,503,000
Preferred stock, shares authorized           645,754,500 645,754,500
Shares issued under initial public offering     34,000,000   34,000,000    
Price per share issued under initial public offering       $ 14      
Net proceeds from initial public offering after deducting underwriting discounts and commissions and offering expenses       $ 448 $ 448    
Initial public offering cost         28    
Adjusted common stock shares to reflect reverse stock-split       215,251,500 249,251,500    
Additional shares of common stock 1,000,000 1,500,000          
Common stock, issued and paid           251,751,500 251,751,500
Common stock, par value           € 0.20 € 0.20
Nominal stock capital           € 50 € 50