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Organization and Principal Activities (Schedule of Percentage of Legal Ownership in Principal Subsidiaries and Consolidated Affiliated Entities) (Details)	12 Months Ended
	Dec. 31, 2015
Nanjing Tuniu [Member]
Significant consolidated subsidiaries and the consolidated Affiliated Entities [Line Items]
Economic interest held (as a percent)	100.00%
Shanghai Tuniu International Travel Service Co., Ltd. [Member]
Significant consolidated subsidiaries and the consolidated Affiliated Entities [Line Items]
Economic interest held (as a percent)	100.00%
Nanjing Tuniu International Travel Service Co., Ltd. [Member]
Significant consolidated subsidiaries and the consolidated Affiliated Entities [Line Items]
Economic interest held (as a percent)	100.00%
Beijing Tuniu International Travel Service Co., Ltd. [Member]
Significant consolidated subsidiaries and the consolidated Affiliated Entities [Line Items]
Economic interest held (as a percent)	100.00%
Nanjing Tuzhilv Tickets Sales Co., Ltd. [Member]
Significant consolidated subsidiaries and the consolidated Affiliated Entities [Line Items]
Economic interest held (as a percent)	100.00%
Tianjin Classic Holiday International Travel Agency Co., Ltd. [Member]
Significant consolidated subsidiaries and the consolidated Affiliated Entities [Line Items]
Economic interest held (as a percent)	100.00%
Zhejiang Zhongshan International Agency Co., Ltd. [Member]
Significant consolidated subsidiaries and the consolidated Affiliated Entities [Line Items]
Economic interest held (as a percent)	100.00%
Beijing Global Tour International Travel Service Co., Ltd. [Member]
Significant consolidated subsidiaries and the consolidated Affiliated Entities [Line Items]
Economic interest held (as a percent)	75.02%
Tuniu Insurance Brokers Co., Ltd. [Member]
Significant consolidated subsidiaries and the consolidated Affiliated Entities [Line Items]
Economic interest held (as a percent)	100.00%
Beijing Hengxin International Travel Agency Co., Ltd. [Member]
Significant consolidated subsidiaries and the consolidated Affiliated Entities [Line Items]
Economic interest held (as a percent)	80.00%
Tuniu (HK) Limited [Member]
Significant consolidated subsidiaries and the consolidated Affiliated Entities [Line Items]
Equity interest held (as a percent)	100.00%
Tuniu (Nanjing) Information Technology Co., Ltd. [Member]
Significant consolidated subsidiaries and the consolidated Affiliated Entities [Line Items]
Equity interest held (as a percent)	100.00%
Beijing Tuniu [Member]
Significant consolidated subsidiaries and the consolidated Affiliated Entities [Line Items]
Equity interest held (as a percent)	100.00%

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=52262685&loc=SL6759159-111685

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