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Common shares | 12 Months Ended
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Dec. 31, 2015
Common shares [Abstract] |
Common shares |
21. | Common shares
During the year ended December 31, 2013, 21,256,900 Class A common shares were issued for the exercised share options, vested restricted shares and restricted share units, 422,001,838 Class B common shares were converted to Class A common shares. As of December 31, 2013, 10,000,000,000 Class A common shares and 1,000,000,000 Class B common shares had been authorized, 622,658,738 Class A common shares and 485,831,386 Class B common shares had been issued and outstanding, respectively. During the year ended December 31, 2014, 25,036,140 Class A common shares were issued for the exercised share options, vested restricted shares and restricted share units and 58,478,690 Class B common shares were converted to Class A common shares. As of December 31, 2014, 10,000,000,000 Class A common shares and 1,000,000,000 Class B common shares had been authorized, 706,173,568 Class A common shares and 427,352,696 Class B common shares had been issued and outstanding, respectively. On May 4, 2014 and March 5, 2015, the Company's board of directors approved two share repurchase programs (the “Share Repurchase Program”) respectively, pursuant to which the Company may repurchase from time to time at management's discretion, at prevailing market prices in the open market in accordance with Rule 10b-18 under the Securities Exchange Act of 1934, up to US$200 million in total of the Company's outstanding ADSs for a period not to exceed twelve (12) months from the date of approval by board of directors. For the year ended December 31, 2015, the Company had repurchased under the Share Repurchase Program an aggregate of 3,092,556 ADSs, representing 61,851,120 Class A common shares at an average price of US$54.82 per ADS, or US$2.74 per Class A common share, for aggregate consideration of US$169.5 million. Pursuant to ASC 505-30-30-8, since the shares were repurchased for constructive retirement, the excess of repurchase price over par value was recorded as deduction of additional paid-in capital upon the repurchase date. During the year ended December 31, 2015, 26,110,680 Class A common shares were issued for the exercised share options, vested restricted shares and restricted share units and 57,794,720 Class B common shares were converted to Class A common shares. As of December 31, 2015, 10,000,000,000 Class A common shares and 1,000,000,000 Class B common shares had been authorized, 728,227,848 Class A common shares and 369,557,976 Class B common shares had been issued and outstanding, respectively.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + 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.(d),(e)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Preferred Stock -URI http://asc.fasb.org/extlink&oid=6521494 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section C + Details
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