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Business Combination (Details) $ in Thousands |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 20, 2016 CNY (¥) shares | Oct. 03, 2014 CNY (¥) | Mar. 10, 2014 CNY (¥) item shares | Apr. 30, 2016 CNY (¥) | Nov. 30, 2015 | Dec. 31, 2015 CNY (¥) | Dec. 31, 2017 CNY (¥) | Dec. 31, 2016 CNY (¥) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2017 USD ($) | Dec. 31, 2017 CNY (¥) | Dec. 31, 2014 CNY (¥)
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  | ¥ 14,401,000 |  | ¥ 6,527,019,000 | ¥ 14,401,000 | $ 1,022,174 | ¥ 6,650,570,000 | ¥ 2,607,821,000
Amortization years |  |  |  |  |  |  | 9 years 3 months 18 days | 9 years 4 months 24 days |  |  |  |
Goodwill impairment charge |  |  |  |  |  |  | ¥ 0 | ¥ 0 | 2,593,420,000 |  |  |
Intangible assets impaired |  |  |  |  |  |  | ¥ 0 | ¥ 0 | 156,709,000 |  |  |
Technology |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Amortization years |  |  |  |  |  |  | 6 years 6 months | 6 years 8 months 12 days |  |  |  |
Domain names and trademark |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Amortization years |  |  |  |  |  |  | 19 years 6 months | 19 years 7 months 6 days |  |  |  |
Strategic Cooperation Agreement |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Amortization years |  |  |  |  |  |  | 5 years | 5 years |  |  |  |
Estimated useful lives (in years) |  |  |  |  |  |  | 5 years |  |  |  |  |
Non-compete Agreement |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Amortization years |  |  |  |  |  |  | 8 years | 8 years |  |  |  |
Transaction with Tencent |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  | ¥ 2,593,420,000 |  |  |  |  |  |  |  |  |
Deferred tax liability |  |  | (41,893,000) |  |  |  |  |  |  |  |  |
Transaction with Tencent | Technology |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired |  |  | ¥ 108,800,000 |  |  |  |  |  |  |  |  |
Amortization years |  |  | 5 years |  |  |  |  |  |  |  |  |
Transaction with Tencent | Domain names and trademark |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired |  |  | ¥ 33,100,000 |  |  |  |  |  |  |  |  |
Amortization years |  |  | 10 years |  |  |  |  |  |  |  |  |
Transaction with Tencent | Advertising Customer Relationship |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired |  |  | ¥ 80,400,000 |  |  |  |  |  |  |  |  |
Amortization years |  |  | 7 years |  |  |  |  |  |  |  |  |
Transaction with Tencent | Logistic workforce |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired |  |  | ¥ 13,900,000 |  |  |  |  |  |  |  |  |
Amortization years |  |  | 3 years |  |  |  |  |  |  |  |  |
Transaction with Tencent | Strategic Cooperation Agreement |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired |  |  | ¥ 6,075,289,000 |  |  |  |  |  |  |  |  |
Amortization years |  |  | 5 years |  |  |  |  |  |  |  |  |
Transaction with Tencent | Non-compete Agreement |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired |  |  | ¥ 1,442,389,000 |  |  |  |  |  |  |  |  |
Amortization years |  |  | 8 years |  |  |  |  |  |  |  |  |
Estimated useful lives (in years) |  |  | 8 years |  |  |  |  |  |  |  |  |
Transaction with Tencent | Huang River Investment Limited |  |  |  |  |  |  |  |  |  |  |  |
Business combination |  |  |  |  |  |  |  |  |  |  |  |
Shares issued on a fully diluted basis (as a percent) |  |  | 15.00% |  |  |  |  |  |  |  |  |
Total consideration |  | ¥ 11,665,015,000 |  |  |  |  |  |  |  |  |  |
Transaction with Tencent | Ordinary shares | Huang River Investment Limited |  |  |  |  |  |  |  |  |  |  |  |
Business combination |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares issued as consideration for the Transaction | shares |  |  | 351,678,637 |  |  |  |  |  |  |  |  |
Transaction with Tencent | Combined Platform Business |  |  |  |  |  |  |  |  |  |  |  |
Business combination |  |  |  |  |  |  |  |  |  |  |  |
Business operation acquired (as a percent) |  |  | 100.00% |  |  |  |  |  |  |  |  |
Number of online marketplace platforms acquired | item |  |  | 2 |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Goodwill impairment charge |  |  |  |  |  | 2,593,420,000 |  |  |  |  |  |
Intangible assets impaired |  |  |  |  |  | 156,709,000 |  |  |  |  |  |
Deferred tax liability reversed |  |  |  |  |  | ¥ 27,796,000 |  |  | ¥ 27,796,000 |  |  |
Transaction with Tencent | Paipai.com |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Transitional period |  |  |  |  | 3 months |  |  |  |  |  |  |
Transaction with Tencent | Shanghai Icson |  |  |  |  |  |  |  |  |  |  |  |
Business combination |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interest acquired |  |  | 9.90% |  |  |  |  |  |  |  |  |
Transaction with Tencent | Shanghai Icson | Call Option |  |  |  |  |  |  |  |  |  |  |  |
Business combination |  |  |  |  |  |  |  |  |  |  |  |
Minimum price to be paid to acquire remaining equity interest in acquiree |  |  | ¥ 800,000,000 |  |  |  |  |  |  |  |  |
Maximum period to acquire remaining interest in acquiree |  |  | 3 years |  |  |  |  |  |  |  |  |
Payment to acquire remaining equity interest |  |  |  | ¥ 800,000,000 |  |  |  |  |  |  |  |
Transaction with Walmart |  |  |  |  |  |  |  |  |  |  |  |
Business combination |  |  |  |  |  |  |  |  |  |  |  |
Term within which shares cannot be transferred | 5 years |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Fair value of the Company's shares issued | ¥ 9,592,258,000 |  |  |  |  |  |  |  |  |  |  |
Total Purchase price | ¥ 9,592,258,000 |  |  |  |  |  |  |  |  |  |  |
Transaction with Walmart | Non-compete Agreement |  |  |  |  |  |  |  |  |  |  |  |
Business combination |  |  |  |  |  |  |  |  |  |  |  |
Discount rate (as a percent) | 17.00% |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired | ¥ 1,019,816,000 |  |  |  |  |  |  |  |  |  |  |
Amortization years | 8 years |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives (in years) | 8 years |  |  |  |  |  |  |  |  |  |  |
Transaction with Walmart | Class A ordinary shares |  |  |  |  |  |  |  |  |  |  |  |
Business combination |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares issued as consideration for the Transaction | shares | 144,952,250 |  |  |  |  |  |  |  |  |  |  |
Shares issued on a fully diluted basis (as a percent) | 5.00% |  |  |  |  |  |  |  |  |  |  |
Transaction with Walmart | YHD marketplace |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment, net | ¥ 65,887,000 |  |  |  |  |  |  |  |  |  |  |
Goodwill | 5,755,826,000 |  |  |  |  |  |  |  |  |  |  |
Deferred tax liability | (916,910,000) |  |  |  |  |  |  |  |  |  |  |
Transaction with Walmart | YHD marketplace | Technology |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired | ¥ 537,785,000 |  |  |  |  |  |  |  |  |  |  |
Amortization years | 7 years |  |  |  |  |  |  |  |  |  |  |
Transaction with Walmart | YHD marketplace | Domain names and trademark |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired | ¥ 3,099,958,000 |  |  |  |  |  |  |  |  |  |  |
Amortization years | 20 years |  |  |  |  |  |  |  |  |  |  |
Transaction with Walmart | YHD marketplace | Customer relationship |  |  |  |  |  |  |  |  |  |  |  |
Allocation of purchase price |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired | ¥ 29,896,000 |  |  |  |  |  |  |  |  |  |  |
Amortization years | 10 years |  |  |  |  |  |  |  |  |  |  |
Business cooperation agreement |  |  |  |  |  |  |  |  |  |  |  |
Business combination |  |  |  |  |  |  |  |  |  |  |  |
Period of agreement | 5 years |  |  |  |  |  |  |  |  |  |  |

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