XML 68 R72.htm IDEA: XBRL DOCUMENT v2.4.1.9
Debt - Summary of Total Outstanding Borrowings (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Short-Term Debt:    
Total Short-Term Borrowings $ 40us-gaap_ShortTermBorrowings $ 40us-gaap_ShortTermBorrowings
Long-Term Debt:    
Total Long-Term Borrowings 260us-gaap_LongTermDebtNoncurrent 300us-gaap_LongTermDebtNoncurrent
Term Loan    
Short-Term Debt:    
Total Short-Term Borrowings 40us-gaap_ShortTermBorrowings
/ us-gaap_CreditFacilityAxis
= trip_TermLoanMember
40us-gaap_ShortTermBorrowings
/ us-gaap_CreditFacilityAxis
= trip_TermLoanMember
Long-Term Debt:    
Total Long-Term Borrowings $ 260us-gaap_LongTermDebtNoncurrent
/ us-gaap_CreditFacilityAxis
= trip_TermLoanMember
$ 300us-gaap_LongTermDebtNoncurrent
/ us-gaap_CreditFacilityAxis
= trip_TermLoanMember