Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensations (Grants) (Details)

v2.4.0.8
Stock-Based Compensations (Grants) (Details) (USD $)
9 Months Ended
Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Options granted 4,200,000
Weighted average period of recognition related to unvested equity awards (in years) 2 years 3 months 18 days
Ventures Group [Member] | Common Class B [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Outstanding WAEP, Beginning of Period $ 46.69
WAEP of grants in the period $ 0.00
WAEP exercised $ 0.00
WAEP forfeited/cancelled during period $ 0.00
Outstanding WAEP, End of Period $ 46.69
Exercisable WAEP $ 46.69
Outstanding options, Beginning Balance 22,000
Options granted 0
Options exercised 0
Options forfeited/cancelled 0
Outstanding options, Ending Balance 22,000
Exercisable options 22,000
Ventures Group [Member] | ERROR in label resolution.
 
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Outstanding WAEP, End of Period $ 46.69
Exercisable WAEP $ 46.69
Outstanding options, Ending Balance 22,000
Exercisable options 22,000
Ventures Group [Member] | Series A [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Outstanding WAEP, End of Period $ 56.96
Exercisable WAEP $ 54.82
Outstanding options, Ending Balance 1,056,000
Exercisable options 444,000
Ventures Group [Member] | Common Class A [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Outstanding WAEP, Beginning of Period $ 56.26
WAEP of grants in the period $ 0.00
WAEP exercised $ 48.81
WAEP forfeited/cancelled during period $ 43.48
Outstanding WAEP, End of Period $ 56.96
Exercisable WAEP $ 54.82
Outstanding options, Beginning Balance 1,155,000
Options granted 0
Options exercised 98,000
Options forfeited/cancelled (1,000)
Outstanding options, Ending Balance 1,056,000
Exercisable options 444,000
TripAdvisor, Inc. [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 1,100,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Options granted 2,800,000
Outstanding options, Ending Balance 9,700,000
Exercisable options 3,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 1,100,000
Weighted average period of recognition related to unvested equity awards (in years) 3 years 6 months
TripAdvisor, Inc. [Member] | Restricted Stock Units (RSUs) [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Weighted average period of recognition related to unvested equity awards (in years) 3 years 3 months 18 days