Represents information pertaining to HNTE certificate valid period.

No definition available.

Name:	tour_HighAndNewTechnologyEnterprisesCertificateValidPeriod
Namespace Prefix:	tour_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the period after the first profitable year during which the entity is exempted from tax.

+ References

No definition available.

+ Details

Name:	tour_IncomeTaxExemptionPeriod
Namespace Prefix:	tour_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the preferential tax rate applicable to the entity under the preferential tax treatment.

+ References

No definition available.

+ Details

Name:	tour_IncomeTaxPreferentialTaxRate
Namespace Prefix:	tour_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage by which the tax rate is reduced for the three year period following the initial exemption period.

+ References

No definition available.

+ Details

Name:	tour_IncomeTaxReductionPercentageFollowingExemptionPeriod
Namespace Prefix:	tour_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the period during which the entity is entitled for a specified percentage reduction in tax following the initial exemption period from the first profitable year.

+ References

No definition available.

+ Details

Name:	tour_IncomeTaxReductionPeriod
Namespace Prefix:	tour_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the maximum withholding tax rate percentage, if 25% or more shares of the FIE in a PRC-resident enterprise is held by the immediate holding entity, Hong Kong tax resident.

+ References

No definition available.

+ Details

Name:	tour_MaximumWithholdingTaxRateIfImmediateHoldingHongKongTaxResidentHoldMoreThanSpecificPercentage
Namespace Prefix:	tour_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The minimum percentage of equity interest in a PRC-resident enterprise to be held by a qualified Hong Kong tax resident for reduced withholding tax rate.

+ References

No definition available.

+ Details

Name:	tour_MinimumPercentageOfEquityInterestInPRCResidentEnterpriseToBeHeldByQualifiedHongKongTaxResidentForReducedWithholdingTaxRate
Namespace Prefix:	tour_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	tour_ScheduleOfIncomeTaxLineItems
Namespace Prefix:	tour_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount of withholding income taxes.

+ References

No definition available.

+ Details

Name:	tour_WithholdingIncomeTax
Namespace Prefix:	tour_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the percentage of withholding income tax rate under the Enterprise Income Tax (EIT) Law.

+ References

No definition available.

+ Details

Name:	tour_WithholdingIncomeTaxRate
Namespace Prefix:	tour_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage of withholding income tax rate on dividends under the Enterprise Income Tax (EIT) Law.

+ References

No definition available.

+ Details

Name:	tour_WithholdingIncomeTaxRateOnDividends
Namespace Prefix:	tour_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 6.I)

-URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=country_CN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=country_HK
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=country_KY
Namespace Prefix:
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Period Type:

Income Taxes (Details) (USD $)	12 Months Ended			60 Months Ended	0 Months Ended
Income Taxes (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014	Jan. 01, 2008
Income taxes
Income tax rate (as a percent)	25.00%	25.00%	25.00%
Cayman
Income taxes
Withholding income tax	0			0
Hong Kong
Income taxes
Income tax rate (as a percent)				16.50%
PRC
Income taxes
Withholding tax rate (as a percent)					25.00%
Withholding tax rate on dividends distributed by a FIE (as a percent)					10.00%
Maximum withholding tax rate, if 25% or more shares of the FIE in a PRC-resident enterprise is held by the immediate holding entity, Hong Kong tax resident (as a percent)	5.00%
Minimum percentage of equity interest in a PRC-resident enterprise to be held by a qualified Hong Kong tax resident for reduced withholding tax rate	25.00%
PRC \| Nanjing Tuniu
Income taxes
HNTE certificate valid period after awarded	3 years
Preferential tax rate (as a percent)	15.00%
Tax exemption period followings the first profitable year	2 years
Reduction in tax rate for three years following the exemptions period (as a percent)	50.00%
Period for reduction in tax percentage	3 years