Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - TripCo Outstanding Awards (Details)

v3.20.1
Stock-Based Compensation - TripCo Outstanding Awards (Details) - 2019 Plan
$ / shares in Units, $ in Millions
 3 Months Ended
Mar. 31, 2020
USD ($)
$ / shares
shares
Additional disclosures  
Unvested value not yet recognized | $ $ 409
Weighted average period the unrecognized compensation cost will be recognized 2 years
Common Stock, Capital Shares Reserved for Future Issuance 2,300,000
Series A | Stock Options  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Outstanding beginning balance 717,000
Granted 0
Cancelled or expired (271,000)
Outstanding ending balance 446,000
Options exercisable 295,000
WAEP  
Weighted average exercise price, options outstanding (in dollars per share) | $ / shares $ 13.65
Weighted average exercise price, options forfeited/cancelled (in dollars per share) | $ / shares 14.11
Weighted average exercise price, options outstanding (in dollars per share) | $ / shares 13.38
Weighted average exercise price, options exercisable (in dollars per share) | $ / shares $ 16.54
Weighted average remaining contractual term outstanding 5 years
Weighted average remaining contractual term exercisable 4 years 1 month 6 days
Series B | Stock Options  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Outstanding beginning balance 1,824,000
Outstanding ending balance 1,824,000
Options exercisable 1,824,000
WAEP  
Weighted average exercise price, options outstanding (in dollars per share) | $ / shares $ 27.63
Weighted average exercise price, options outstanding (in dollars per share) | $ / shares 27.63
Weighted average exercise price, options exercisable (in dollars per share) | $ / shares $ 27.63
Weighted average remaining contractual term outstanding 4 years 9 months 18 days
Weighted average remaining contractual term exercisable 4 years 9 months 18 days