Annual report pursuant to Section 13 and 15(d)

Debt - TripCo Margin Loans and Variable Postpaid Forward (Details)

v3.19.3.a.u2
Debt - TripCo Margin Loans and Variable Postpaid Forward (Details)
shares in Millions, $ in Millions
3 Months Ended 12 Months Ended
Dec. 20, 2019
USD ($)
Nov. 19, 2019
USD ($)
Nov. 13, 2019
USD ($)
Jun. 10, 2019
USD ($)
Nov. 07, 2017
Jun. 23, 2016
USD ($)
agreement
Dec. 31, 2019
USD ($)
shares
Dec. 31, 2019
USD ($)
shares
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Debt Financing                    
Repayments of long term debt               $ 359.0 $ 245.0 $ 369.0
Margin Loan 2019                    
Debt Financing                    
Interest rate 3.225%                  
Paid-in-Kind Interest               6.0    
Outstanding Margin Loan Balance If Initial Margin Call Threshold is Met $ 157.5                  
Additional borrow reduction percentage if Tripadvisor common stock falls below a certain minimum balance 50                  
Commitment fee       0.75%            
Margin Loan 2019 | LIBOR                    
Debt Financing                    
Margin   3.00%   2.00%            
Variable rate basis   LIBOR   LIBOR            
Term Loan 2019                    
Debt Financing                    
Borrowed amount $ 33.0 $ 75.0                
Carrying amount of debt       $ 225.0            
Delayed Draw Term Loan                    
Debt Financing                    
Borrowed amount     $ 15.0              
Maximum borrowing capacity   $ 15.0   25.0            
Variable postpaid forward                    
Debt Financing                    
Carrying amount of debt                 267.0  
Variable postpaid forward | Forward Contracts                    
Debt Financing                    
Total borrowings           $ 259.0        
Repayments of long term debt             $ 270.0      
Margin loan member                    
Debt Financing                    
Repayments of long term debt       200.0            
Carrying amount of debt             $ 355.0 $ 355.0 $ 220.0  
Payment of paid-in-kind interest       $ 22.0            
Margin Loan Amendment 1                    
Debt Financing                    
Number of margin loans amended | agreement           2        
Carrying amount of debt           $ 200.0        
Margin Loan Amendment 2 | LIBOR                    
Debt Financing                    
Margin         2.40%          
Variable rate basis         LIBOR          
Tripadvisor | Series A | Margin Loan 2019 And Variable Postpaid Forward                    
Debt Financing                    
Shares pledged as collateral under loan | shares             18.2 18.2    
Share value             $ 552.0 $ 552.0    
Tripadvisor | Series B | Margin Loan 2019 And Variable Postpaid Forward                    
Debt Financing                    
Shares pledged as collateral under loan | shares             12.8 12.8    
Share value             $ 389.0 $ 389.0