Quarterly report pursuant to Section 13 or 15(d)

Debt - TripAdvisor Senior Notes (Details)

v3.21.1
Debt - TripAdvisor Senior Notes (Details)
1 Months Ended 3 Months Ended
Mar. 31, 2021
USD ($)
$ / shares
Mar. 31, 2021
USD ($)
$ / shares
Mar. 31, 2020
USD ($)
Mar. 25, 2021
USD ($)
Jul. 09, 2020
USD ($)
Debt Instrument [Line Items]          
Borrowings of debt   $ 645,000,000 $ 740,000,000    
Long-term debt fair value $ 301,000,000 $ 301,000,000      
Tripadvisor | Tripadvisor Senior Notes due 2025          
Debt Instrument [Line Items]          
Aggregate principal amount         $ 500,000,000
Interest rate         7.00%
Unpaid interest price   100.00%      
Redemption percentage with certain equity offerings maximum   40.00%      
Aggregate redemption price in the event of a Change of Control Triggering Event   101.00%      
Tripadvisor | Tripadvisor Senior Notes due 2025 | Level 2          
Debt Instrument [Line Items]          
Long-term debt fair value 541,000,000 $ 541,000,000      
Tripadvisor | Tripadvisor Convertible Senior Notes due 2026          
Debt Instrument [Line Items]          
Aggregate principal amount       $ 300,000,000  
Interest rate       0.25%  
Conversion to common Stock $ 1,000 $ 1,000      
Debt Instrument, convertible, threshold trading days   20      
Debt Instrument, convertible, threshold consecutive trading days   30      
Debt Instrument, convertible, threshold percentage of stock price trigger   130.00%      
Debt Instrument, convertible, conversion ratio   13.5483      
Debt Instrument, convertible, conversion price | $ / shares $ 73.81 $ 73.81      
Debt Instrument, convertible, number of equity instruments   4,700,000      
Borrowings of debt   $ 340,000,000      
Payments of debt issuance costs   $ 5,000,000      
Debt Instrument Term   5 years      
Interest rate 0.60% 0.60%      
Tripadvisor | Tripadvisor Convertible Senior Notes due 2026 | Level 2          
Debt Instrument [Line Items]          
Long-term debt fair value $ 364,000,000 $ 364,000,000      
Tripadvisor | Tripadvisor Convertible Senior Notes due 2026 | Quarterly Period          
Debt Instrument [Line Items]          
Debt Instrument, convertible, threshold trading days 20        
Debt Instrument, convertible, threshold consecutive trading days 30        
Debt Instrument, convertible, threshold percentage of stock price trigger   130.00%      
Tripadvisor | Tripadvisor Convertible Senior Notes due 2026 | Measurement Period          
Debt Instrument [Line Items]          
Conversion to common Stock $ 1,000 $ 1,000      
Debt Instrument, convertible, threshold percentage of stock price trigger   98.00%      
Debt Instrument, Convertible, threshold consecutive trading day period   5 days      
Debt instrument, convertible, consecutive business days immediately following threshold consecutive trading days   5 days      
Tripadvisor | Convertible Senior Notes Over Allotment Option          
Debt Instrument [Line Items]          
Aggregate principal amount       $ 45,000,000