Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation (Details 3)

v2.4.0.8
Stock Based Compensation (Details 3) (TripAdvisor, USD $)
In Millions, except Share data in Thousands, unless otherwise specified
 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Stock Options | 2011 Incentive Plan [Member]
    
TripAdvisor Equity Grant Awards    
Unrecognized compensation cost, unvested options (in dollars) $ 93  
Weighted average period over which the unrecognized compensation cost will be recognized 2 years 9 months 18 days  
Stock options exercised intrinsic value 71 45
Restricted Stock Units (RSUs) | 2011 Incentive Plan [Member]
    
TripAdvisor Equity Grant Awards    
Weighted average period over which the unrecognized compensation cost will be recognized 3 years  
RSUs granted (in shares) 618  
Weighted average grant date fair value, RSUs (in dollars per share) $ 96.15  
Unrecognized compensation cost, unvested RSUs (in dollars) 57  
Series A | Stock Options
    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Options outstanding 9,470  
Assumed options from acquisition 101  
Granted 557  
Exercised (1,139)  
Forfeited/Cancelled (234)  
Options outstanding 8,755  
Optons exercisable 3,845  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number 8,203  
WAEP    
Weighted average exercise price, options outstanding (in dollars per share) $ 40.18  
Weighted average exercise price, assumed options from acquisition (in dollars per share) $ 16.36  
Weighted average exercise price, options granted (in dollars per share) $ 96.42  
Weighted average exercise price, options exercised (in dollars per share) $ 33.67  
Weighted average exercise price, options forfeited/cancelled (in dollars per share) $ 45.05  
Weighted average exercise price, options outstanding (in dollars per share) $ 44.21  
Weighted average exercise price, options exercisable (in dollars per share) $ 31.68  
Weighted average exercise price, vested or expected to vest (in dollars per share) $ 43.38  
Weighted average remaining contractual term outstanding 5 years 3 months 18 days  
Weighted average remaining contractual term exercisable 2 years 10 months 24 days  
Weighted average remaining contractual term vested or expected to vest 5 years 1 month 6 days  
Outstanding, aggregate intrinsic value 416  
Exercisable, aggregate intrinsic value 230  
Vested or expected to vest, aggregate intrinsic value $ 396