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Debt - TripAdvisor Chinese Credit Facilities (Details) - Tripadvisor's Chinese subsidiary - Chinese Credit facilities - Chinese Credit Facility-BOA - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Debt Financing    
Maximum borrowing capacity $ 30  
Debt Instrument Term 1 year  
Borrowings outstanding on line of credit $ 0 $ 0