Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

v3.10.0.1
Commitments and Contingencies (Details)
$ in Millions
12 Months Ended
Dec. 31, 2018
USD ($)
ft²
location
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Operating leases      
Rental expense $ 17 $ 19 $ 21
Estimated future minimum rental payments      
2019 25    
2020 25    
2021 24    
2022 24    
2023 19    
Thereafter 76    
Total $ 193    
TripAdvisor | Other leased locations      
Operating leases      
Leased area (in square feet) | ft² 450,000    
Number of locations | location 40