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Income Taxes (Narrative) (Details) ¥ in Thousands		12 Months Ended			72 Months Ended
	Jan. 01, 2008	Dec. 31, 2015 CNY (¥)	Dec. 31, 2014 USD ($)	Dec. 31, 2013	Dec. 31, 2015 CNY (¥)
Income taxes [Line Items]
Income tax rate (as a percent)		25.00%	25.00%	25.00%
Net operating loss carryforwards		¥ 1,836,436			¥ 1,836,436
Net operating loss carryforwards will start to expire in 2015		¥ 39,069			¥ 39,069
Cayman [Member]
Income taxes [Line Items]
Withholding income tax | $			$ 0
Hong Kong [Member]
Income taxes [Line Items]
Income tax rate (as a percent)					16.50%
PRC [Member]
Income taxes [Line Items]
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%
Carryforward period for net operating losses		5 years
PRC [Member] | Nanjing Tuniu [Member]
Income taxes [Line Items]
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

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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.

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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.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws starting next fiscal year following the latest fiscal year.

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

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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

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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