Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - TripAdvisor Awards (Details)

v3.22.4
Stock-Based Compensation - TripAdvisor Awards (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Jun. 08, 2021
May 27, 2020
May 26, 2020
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Jun. 21, 2018
Stock-Based Compensation              
Stock-based compensation       $ 93.0 $ 125.0 $ 112.0  
TripAdvisor              
Stock-Based Compensation              
Stock-based compensation       $ 88.0      
TripAdvisor | Restricted Stock Units (RSUs)              
Stock-Based Compensation              
Stock-based compensation           $ 17.0  
Additional disclosures              
Vesting period   2 years 4 years        
TripAdvisor | 2018 Plan              
Stock-Based Compensation              
Number of shares available for grant       11,000,000     6,000,000
Number of additional shares available for grant 10,000,000            
TripAdvisor | 2018 Plan | RSUs and MSUs              
Additional disclosures              
Weighted average period the unrecognized compensation cost will be recognized       2 years 9 months 18 days      
RSUs and MSUs granted (in shares)       8,000,000      
RSUs and MSUs vested (in shares)       3,000,000      
RSUs and MSUs cancelled       1,000,000      
Weighted average grant date fair value, RSUs and MSUs granted (in dollars per share)       $ 24.23      
Weighted average grant date fair value, RSUs and MSUs vested (in dollars per share)       35.60      
Weighted average grant date fair value, RSUs and MSUs cancelled (in dollars per share)       $ 32.52      
Unvested RSUs and MSUs (in shares)       9,000,000      
Unrecognized compensation cost, unvested RSUs and MSUs       $ 197.0      
TripAdvisor | 2011 and 2018 Plans              
Stock-Based Compensation              
Volatility rate (as a percent)       51.60% 49.60% 43.40%  
Expected term       5 years 4 months 24 days 5 years 6 months 5 years 3 months 18 days  
TripAdvisor | 2011 and 2018 Plans | Stock Options              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]              
Outstanding beginning balance       5,671,000      
Granted       841,000      
Exercised       (13,000)      
Cancelled or expired       (1,037,000)      
Outstanding ending balance       5,462,000 5,671,000    
Options exercisable       3,931,000      
Vested and expected to vest       5,316,000      
WAEP              
Weighted average exercise price, options outstanding (in dollars per share)       $ 47.03      
Weighted average exercise price, options granted (in dollars per share)       20.00      
Weighted average exercise price, options exercised (in dollars per share)       24.94      
Weighted average exercise price, options cancelled or expired (in dollars per share)       44.06      
Weighted average exercise price, options outstanding (in dollars per share)       43.48 $ 47.03    
Weighted average exercise price, options exercisable (in dollars per share)       49.19      
Weighted average exercise price, vested and expected to vest (in dollars per share)       $ 43.93      
Weighted average remaining contractual term outstanding       5 years 1 month 6 days      
Weighted average remaining contractual term exercisable       3 years 7 months 6 days      
Weighted average remaining contractual life vested and expected to vest       5 years      
Additional disclosures              
Weighted average grant date fair value, options (in dollars per share)       $ 9.93      
Term of awards       10 years      
Vesting period       4 years      
Unrecognized compensation cost, unvested options (in dollars)       $ 14.0      
Weighted average period the unrecognized compensation cost will be recognized       2 years 9 months 18 days