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      <Role>http://www.tuniu.com/role/DisclosureRelatedPartyTransactionsAndBalancess</Role>
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      <HtmlFileName>R60.htm</HtmlFileName>
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      <ReportType>Sheet</ReportType>
      <Role>http://www.tuniu.com/role/DisclosureSubsequentEventsDetails</Role>
      <ShortName>Subsequent Events (Details)</ShortName>
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    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>41601 - Disclosure - Condensed Financial Information of the Parent Company (Details)</LongName>
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  <Logs>
    <Log type="Info">Element tour_SharesRepurchasedPricePerShare had a mix of decimals attribute values: 2 4.</Log>
    <Log type="Info">Element us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate had a mix of decimals attribute values: 0 3.</Log>
    <Log type="Info">Element us-gaap_ProceedsFromIssuanceOfPrivatePlacement had a mix of decimals attribute values: -6 0.</Log>
    <Log type="Info">Element us-gaap_RetainedEarningsAccumulatedDeficit had a mix of decimals attribute values: -6 0.</Log>
    <Log type="Info">Element us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate had a mix of decimals attribute values: 2 3.</Log>
    <Log type="Info">Element us-gaap_SharesIssuedPricePerShare had a mix of decimals attribute values: 2 4.</Log>
    <Log type="Info">Process Flow-Through: 00100 - Statement - CONSOLIDATED BALANCE SHEETS</Log>
    <Log type="Info">Process Flow-Through: 00105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2014
USD ($)'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2014
CNY'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2013
CNY'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2014
Board of Directors Chairman'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2014
Preferred A Shares'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2013
Preferred A Shares'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2014
Preferred B Shares'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2013
Preferred B Shares'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2014
Preferred C Shares'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2013
Preferred C Shares'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2014
Preferred D Shares'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2013
Preferred D Shares'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2014
Class A ordinary shares'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2014
Class B ordinary shares'</Log>
    <Log type="Info">Process Flow-Through: 00200 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS</Log>
    <Log type="Info">Process Flow-Through: 00205 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 00305 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY/(DEFICIT) (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 00400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</Log>
  </Logs>
  <InputFiles>
    <File>tour-20141231.xml</File>
    <File>tour-20141231.xsd</File>
    <File>tour-20141231_cal.xml</File>
    <File>tour-20141231_def.xml</File>
    <File>tour-20141231_lab.xml</File>
    <File>tour-20141231_pre.xml</File>
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  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
