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Net income per share (Tables) | 9 Months Ended
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Sep. 30, 2019
Earnings Per Share [Abstract] |
Schedule of basic and diluted net income/(loss) per share |
|  | For the nine months ended September 30, |
|  | 2018 |  |  | 2019 |
|  | RMB |  |  | RMB |
Numerator: |  |  |  |  |  |  |  |
Net income attributable to ordinary shareholders |  |  | 2,313,093 |  |  |  | 8,550,201 |
Denominator: |  |  |  |  |  |  |  |
Weighted average number of shares – basic |  |  | 2,872,165,698 |  |  |  | 2,909,097,086 |
Adjustments for dilutive options and RSUs |  |  | 73,065,301 |  |  |  | 53,911,759 |
Weighted average number of shares – diluted |  |  | 2,945,230,999 |  |  |  | 2,963,008,845 |
Basic net income per share attributable to ordinary shareholders |  |  | 0.81 |  |  |  | 2.94 |
Diluted net income per share attributable to ordinary shareholders |  |  | 0.79 |  |  |  | 2.89 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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