Annual report pursuant to Section 13 and 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v2.4.0.6
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Millions, except Share data, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Carrying value of debt measured at fair value $ 2,930 $ 2,506
Preferred stock, par or stated value per share $ 0.01 $ 0.01
Preferred stock, shares authorized 50,000,000 50,000,000
Preferred stock, shares issued 0 0
Preferred Stock, Shares Outstanding 0 0
Ventures Group [Member] | Series A [Member]
    
Common stock, par or stated value per share $ 0.00  
Common stock, shares authorized 200,000,000  
Common stock, shares issued 35,355,434  
Common stock, shares outstanding 35,355,434  
Ventures Group [Member] | Series B [Member]
    
Common stock, par or stated value per share $ 0.00  
Common stock, shares authorized 7,500,000  
Common stock, shares issued 1,446,916  
Common stock, shares outstanding 1,446,916  
Interactive Group [Member] | Series A [Member]
    
Common stock, par or stated value per share $ 0.01  
Common stock, shares authorized 4,000,000,000  
Common stock, shares issued 516,009,627  
Common stock, shares outstanding 516,009,627 549,361,673
Interactive Group [Member] | Series B [Member]
    
Common stock, par or stated value per share $ 0.01  
Common stock, shares authorized 150,000,000  
Common stock, shares issued 28,942,403  
Common stock, shares outstanding 28,942,403 28,989,160