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Accumulated other comprehensive loss (Tables) | 12 Months Ended
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Dec. 31, 2018
Accumulated other comprehensive loss |
Schedule of accumulated other comprehensive income by component |
|  |  |  | Unrealized Gain |  |
|  |  |  | and |  |
|  | Cumulative |  | (Loss) on |  |
|  | Translation |  | Available-for-sale |  |
|  | Adjustments |  | Securities |  | Total
|  | RMB |  | RMB |  | RMB
Balance as of January 1, 2016 |  | (73,996) |  | 3,015 |  | (70,981)
Foreign currency translation, net of tax of nil |  | (292,152) |  | — |  | (292,152)
Fair value changes of available-for-sale investments, net of tax of nil |  | — |  | (17,042) |  | (17,042)
Reclassification adjustment for losses included in net income, net of tax of nil |  | — |  | 36,567 |  | 36,567
Balance as of December 31, 2016 |  | (366,148) |  | 22,540 |  | (343,608)
Foreign currency translation, net of tax of nil |  | 342,348 |  | — |  | 342,348
Fair value changes of available-for-sale investments, net of tax of nil |  | — |  | 32,633 |  | 32,633
Reclassification adjustment for gains included in net income, net of tax of nil |  | — |  | (55,615) |  | (55,615)
Balance as of December 31, 2017 |  | (23,800) |  | (442) |  | (24,242)
Adoption of ASU 2016-01 |  |  |  | 442 |  | 442
Foreign currency translation, net of tax of nil |  | (7,083) |  | — |  | (7,083)
Balance as of December 31, 2018 |  | (30,883) |  | — |  | (30,883)

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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