Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v3.7.0.1
Debt (Details)
shares in Millions
3 Months Ended
Sep. 07, 2016
USD ($)
Jun. 23, 2016
USD ($)
Jun. 26, 2015
USD ($)
Aug. 21, 2014
USD ($)
agreement
Mar. 31, 2017
USD ($)
shares
Mar. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
Sep. 30, 2016
CNY (¥)
Debt Financing                
Long-term Debt         $ 683,000,000   $ 635,000,000  
Less debt classified as current         (7,000,000)   (80,000,000)  
Total long-term debt         676,000,000   555,000,000  
Repayments of long term debt         224,000,000 $ 90,000,000    
Proceeds from Issuance of Debt         270,000,000      
Margin loan member                
Debt Financing                
Total debt         204,000,000   203,000,000  
Debt instrument, number of instruments | agreement       2        
Total borrowings       $ 400,000,000        
Maximum Value of Promissory Note if Margin Call Thresholds Are Triggered         200,000,000      
Margin loan member | Redemption period one                
Debt Financing                
Initial redemption period       6 months        
Margin loan member | LIBOR                
Debt Financing                
Variable rate basis       LIBOR        
Margin loan member | LIBOR | Redemption period one                
Debt Financing                
Margin       3.65%        
Margin loan member | LIBOR | Redemption period two                
Debt Financing                
Margin       3.25%        
Margin Loan Amendment 1                
Debt Financing                
Total debt   $ 200,000,000            
Debt Instrument Term   3 years            
Variable rate basis   LIBOR            
Margin   2.00%            
Paid-in-Kind Interest         1,000,000      
Outstanding Margin Loan Balance If Initial Margin Call Threshold is Met   $ 150,000,000            
Chinese credit facilities                
Debt Financing                
Total debt         7,000,000   7,000,000  
Credit Facilities                
Debt Financing                
Total debt         $ 210,000,000   164,000,000  
Credit Facilities | Revolving Credit Facility | Trip Advisor                
Debt Financing                
Maximum borrowing capacity     $ 1,000,000,000          
Debt Instrument Term     5 years          
Variable rate basis         Eurocurrency      
Margin         2.00%      
Commitment fee         0.20%      
Interest rate         2.125%      
Repayments of long term debt         $ 151,000,000      
Proceeds from Issuance of Debt         $ 270,000,000      
Credit Facilities | Revolving Credit Facility | LIBOR | Trip Advisor                
Debt Financing                
Variable rate basis         LIBOR      
Margin         1.25%      
Credit Facilities | Revolving Credit Facility | ABR | Trip Advisor                
Debt Financing                
Variable rate basis         Alternate      
Margin         2.00%      
Credit Facilities | Revolving Credit Facility | Euro | Trip Advisor                
Debt Financing                
Margin         2.00%      
Credit Facilities | Letter of Credit | Trip Advisor                
Debt Financing                
Maximum borrowing capacity         $ 15,000,000      
Outstanding letters of credit         3,000,000      
Credit Facilities | Same-day notice borrowings | Trip Advisor                
Debt Financing                
Maximum borrowing capacity         $ 40,000,000      
2016 Credit Facility | Revolving Credit Facility | Trip Advisor                
Debt Financing                
Maximum borrowing capacity $ 73,000,000              
2016 Credit Facility | Revolving Credit Facility | LIBOR | Trip Advisor                
Debt Financing                
Variable rate basis         LIBOR      
Margin         1.125%      
Margin when payments are overdue         1.50%      
Chinese Credit Facility-BOA | People's Bank of China base rate | TripAdvisor's Chinese subsidiaries                
Debt Financing                
Maximum borrowing capacity         $ 30,000,000      
Debt Instrument Term         1 year      
Interest rate         4.35%      
Debt instrument applicable percentage base rate         100.00%      
Chinese Credit Facility-BOA | Chinese credit facilities                
Debt Financing                
Line of Credit         $ 0      
Chinese Credit Facility-JPM | People's Bank of China base rate | TripAdvisor's Chinese subsidiaries                
Debt Financing                
Debt instrument applicable percentage base rate         100.00%      
Chinese Credit Facility-JPM | Chinese credit facilities                
Debt Financing                
Line of Credit         $ 7,000,000      
Chinese Credit Facility-JPM | Chinese credit facilities | TripAdvisor's Chinese subsidiaries                
Debt Financing                
Maximum borrowing capacity         $ 10,000,000     ¥ 70,000,000
Debt Instrument Term         1 year      
Chinese Credit Facility-JPM | Chinese credit facilities | People's Bank of China base rate | TripAdvisor's Chinese subsidiaries                
Debt Financing                
Interest rate         4.35%      
Variable postpaid forward                
Debt Financing                
Total debt         $ 262,000,000   $ 261,000,000  
Paid-in-Kind Interest         $ 1,000,000      
Series A | Margin loan member | Trip Advisor                
Debt Financing                
Shares pledged as collateral under loan | shares         18.2      
Share value         $ 784,000,000      
Series B | Margin loan member | Trip Advisor                
Debt Financing                
Shares pledged as collateral under loan | shares         12.8      
Share value         $ 552,000,000      
Forward Contracts | Margin loan member                
Debt Financing                
Repayments of long term debt   200,000,000            
Payment of paid-in-kind interest   $ 29,000,000            
Forward Contracts | Variable postpaid forward                
Debt Financing                
Derivative contract term   4 years            
Total borrowings   $ 259,000,000            
Accreted loan total at maturity   $ 272,000,000            
Minimum | 2016 Credit Facility | Revolving Credit Facility | Trip Advisor                
Debt Financing                
Debt Instrument Term 1 month              
Maximum | 2016 Credit Facility | Revolving Credit Facility | Trip Advisor                
Debt Financing                
Debt Instrument Term 6 months