Registration of securities issued in business combination transactions

Stock Options and Other Share-Based Payments (Details 2)

v2.4.0.8
Stock Options and Other Share-Based Payments (Details 2) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Liberty Incentive Plan | Stock options
        
Additional disclosures, stock options        
Aggregate intrinsic value (in dollars) $ 97,000,000 $ 20,000,000 $ 18,000,000  
Liberty Incentive Plan | LINTA Exchange Option
        
Options        
Granted (in shares) 4,326,392      
Exercised (in shares) (5,218,291)      
Weighted average exercise price        
Granted (in dollars per share) $ 19.26      
Exercised (in dollars per share) $ 14.48      
Additional disclosures, stock options        
Weighted average fair value at date of grant (in dollars per share) $ 6.94      
Liberty Incentive Plan | LVNTA Exchange Option
        
Options        
Granted (in shares) 160,639      
Exercised (in shares) (208,683)      
Weighted average exercise price        
Granted (in dollars per share) $ 58.80      
Exercised (in dollars per share) $ 36.01      
Additional disclosures, stock options        
Weighted average fair value at date of grant (in dollars per share) $ 25.69      
LINTA | Stock options
        
Options        
Outstanding at the beginning of the period (in shares) 15,440,299 12,373,346 11,158,534  
Granted (in shares) 5,373,916 5,883,749 3,459,829  
Exercised (in shares) (5,037,685) (1,759,090) (1,810,458)  
Forfeited (in shares) (142,639) (1,057,706) (434,559)  
Outstanding at the end of the period (in shares) 14,741,992 15,440,299 12,373,346 11,158,534
Exercisable at the end of the period (in shares) 5,528,824      
Weighted average exercise price        
Outstanding at the beginning of the period (in dollars per share) $ 10.70 $ 7.18 $ 4.92  
Granted (in dollars per share) $ 16.44 $ 15.99 $ 12.97  
Exercised (in dollars per share) $ 6.10 $ 5.41 $ 4.59  
Forfeited (in dollars per share) $ 12.85 $ 7.76 $ 5.86  
Outstanding at the end of the period (in dollars per share) $ 14.53 $ 10.70 $ 7.18 $ 4.92
Exercisable at the end of the period (in dollars per share) $ 11.92      
Aggregate intrinsic value        
Outstanding at the end of the period (in dollars) 75,897,000 85,216,000 106,270,000 66,109,000
Exercisable at the end of the period (in dollars) 42,899,000      
Weighted average remaining life        
Outstanding at the end of the period 4 years 7 months 6 days 5 years 1 month 6 days 5 years 4 months 24 days 6 years 2 months 12 days
Exercisable at the end of the period 3 years 9 months 18 days      
Additional disclosures, stock options        
Weighted average fair value at date of grant (in dollars per share) $ 6.66 $ 7.32 $ 5.38  
LVNTA | Stock options
        
Options        
Granted (in shares) 328,617      
Exercised (in shares) (59,967)      
Outstanding at the end of the period (in shares) 220,606      
Exercisable at the end of the period (in shares) 59,967      
Weighted average exercise price        
Granted (in dollars per share) $ 36.82      
Exercised (in dollars per share) $ 17.65      
Outstanding at the end of the period (in dollars per share) $ 58.80      
Exercisable at the end of the period (in dollars per share) $ 58.80      
Aggregate intrinsic value        
Outstanding at the end of the period (in dollars) 1,977,000      
Exercisable at the end of the period (in dollars) $ 537,000      
Weighted average remaining life        
Outstanding at the end of the period 4 years 7 months 6 days      
Exercisable at the end of the period 3 years 7 months 6 days      
Additional disclosures, stock options        
Weighted average fair value at date of grant (in dollars per share) $ 15.22