Quarterly report pursuant to Section 13 or 15(d)

Debt - TripAdvisor Senior Notes (Details)

v3.21.2
Debt - TripAdvisor Senior Notes (Details) - USD ($)
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Mar. 25, 2021
Jul. 09, 2020
Debt Instrument [Line Items]        
Borrowings of debt $ 675,000,000 $ 1,240,000,000    
Long-term debt fair value $ 276,000,000      
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 $ 531,000,000      
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      
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 $ 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      
Interest rate 0.55%      
TripAdvisor | Tripadvisor Convertible Senior Notes due 2026 | Level 2        
Debt Instrument [Line Items]        
Long-term debt fair value $ 312,000,000      
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      
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 | Tripadvisor Convertible Senior Notes due 2026 | Convertible Senior Notes Over Allotment Option        
Debt Instrument [Line Items]        
Aggregate principal amount     $ 45,000,000