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Employee benefit	12 Months Ended
	Dec. 31, 2017
Employee benefit
Employee benefit	30.  Employee benefit Full time employees of the Group in the PRC participate in a government mandated defined contribution plan, pursuant to which certain pension benefits, medical care, employee housing fund and other welfare benefits are provided to the employees. Chinese labor regulations require that the PRC subsidiaries, consolidated VIEs and VIEs’ subsidiaries of the Group make contributions to the government for these benefits based on certain percentages of the employees’ salaries, up to a maximum amount specified by the local government. The Group has no legal obligation for the benefits beyond the contributions made. The total amounts for such employee benefit expenses, which were expensed as incurred, were approximately RMB1,677,363, RMB2,575,150 and RMB3,546,241 for the years ended December 31, 2015, 2016 and 2017, respectively.

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- References

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- Definition

The entire disclosure for pension and other postretirement benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-URI http://asc.fasb.org/topic&trid=2235017

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