XML 65 R54.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Related Party Transactions - Additional Information (Details) - LTRIP - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Related Party Transaction [Line Items] |  |  |  |
Beneficially ownership of shares of common stock |  |  | 18,159,752 |
Percentage taken from outstanding shares of common stock |  |  | 13.70% |
Percentage of beneficially ownership of shares of common stock class B |  |  | 21.30% |
Right to voting |  |  | one vote per share |
Beneficially ownership of equity securities |  |  | 56.00% |
Related party transactions | $ 0 | $ 0 | $ 0 | $ 0
Class B Common Stock |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Beneficially ownership of shares of common stock |  |  | 12,799,999 |
Percentage taken from outstanding shares of common stock |  |  | 100.00% |
Right to voting |  |  | Ten votes per share |

X
- Definition Common stock shares held by related party. + References No definition available. + Details
Name: | trip_CommonStockSharesHeldByRelatedParty
Namespace Prefix: | trip_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of common stock owned by a related party. + References No definition available. + Details
Name: | trip_PercentOfCommonStockHeldByRelatedPartyCurrent
Namespace Prefix: | trip_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of common stock owned by a related party if Class B shares were converted to common shares. + References No definition available. + Details
Name: | trip_PercentOfCommonStockHeldByRelatedPartyIfClassBConverted
Namespace Prefix: | trip_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The voting rights percentage assuming the related party voted both common and class B stock. + References No definition available. + Details
Name: | trip_RelatedPartyVotingRightsPercentCurrent
Namespace Prefix: | trip_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of voting rights of common stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 + Details
Name: | us-gaap_CommonStockVotingRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of transactions with related party during the financial reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 + Details
Name: | us-gaap_RelatedPartyTransactionAmountsOfTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=trip_LTRIPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |