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Restricted Net Assets (Details) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($)
Restricted Net Assets [Abstract]
Percentage of after-tax profit required to be appropriated to general reserve	10.00%
General reserve as a percentage of registered capital up to which after-tax profit of PRC subsidiaries and VIE's shall be transferred	50.00%
Amount of restricted net assets of the Group's PRC subsidiaries and the Affiliated PRC Entities	$ 2,642
Percentage on total consolidated net assets	80.00%

X

- Definition

Represents the percentage of after-tax income required to be appropriated towards the general reserve fund.

+ References

No definition available.

+ Details

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X

- Definition

Represents the percentage on total consolidated restricted net assets of consolidated and unconsolidated subsidiaries.

+ References

No definition available.

+ Details

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Namespace Prefix:	tour_
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Period Type:	duration

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- Definition

Represents the level of the general reserve fund balance as a percentage of registered capital for the entities incorporated in the People's Republic of China which must be attained before mandatory transfers to the reserve are no longer required.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e)(3)(ii))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Balance Type:	debit
Period Type:	instant

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- References

No definition available.

+ Details

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