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v3.19.1

Summary of significant accounting policies (Details 3) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2018 USD ($) segment lease item | Dec. 31, 2018 CNY (¥) segment lease item | Dec. 31, 2017 CNY (¥) lease | Dec. 31, 2016 CNY (¥) lease | Jan. 01, 2019 CNY (¥) | Dec. 31, 2018 CNY (¥) | Jan. 01, 2018 CNY (¥)
Revenue |  |  |  |  |  |  |
Net revenues | $ 67,197,987 | ¥ 462,019,759,000 | ¥ 362,331,754,000 | ¥ 258,289,947,000 |  |  |
Accounts receivable, net of allowance for doubtful accounts | $ 1,615,881 |  | 16,359,147,000 |  |  | ¥ 11,109,988,000 |
Unearned revenue |  |  | 16,471,175,000 |  |  | 15,461,245,000 |
Unearned revenue recognized |  | ¥ 13,502,223,000 |  |  |  |  |
Revenue, Practical Expedient | true | true |  |  |  |  |
Customer incentives and loyalty programs |  |  |  |  |  |  |
Types of discounted coupons | item | 2 | 2 |  |  |  |  |
Expiration period of J Coupons | 1 year | 1 year |  |  |  |  |
Fulfillment |  |  |  |  |  |  |
Fulfillment | $ 4,655,612 | ¥ 32,009,658,000 | 25,865,128,000 | 18,559,691,000 |  |  |
Marketing |  |  |  |  |  |  |
Advertising costs |  | ¥ 15,970,433,000 | ¥ 12,375,922,000 | ¥ 7,789,906,000 |  |  |
Leases |  |  |  |  |  |  |
Number of capital leases | lease | 0 | 0 | 0 | 0 |  |  |
Segment reporting |  |  |  |  |  |  |
Number of major business segments | segment | 2 | 2 |  |  |  |  |
Statutory reserves |  |  |  |  |  |  |
Appropriations of statutory reserves |  | ¥ 764,446,000 | ¥ 503,028,000 | ¥ 77,378,000 |  |  |
Appropriations to other reserve funds |  | 0 | 0 | 0 |  |  |
Recent accounting pronouncements |  |  |  |  |  |  |
Accumulated deficit | $ (3,496,194) |  | (22,234,609,000) |  |  | (24,038,081,000) |
Net cash provided by/(used in) operating activities | 3,037,077 | 20,881,422,000 | 26,856,727,000 | 8,240,371,000 |  |  |
Net cash used in investing activities | (3,793,032) | (26,078,992,000) | (39,815,291,000) | (45,481,435,000) |  |  |
Net cash provided by financing activities | 1,631,871 | 11,219,928,000 | 19,234,985,000 | 40,699,471,000 |  |  |
Effect of exchange rate changes on cash, cash equivalents, and restricted cash | 244,515 | 1,681,163,000 | (641,534,000) | 726,462,000 |  |  |
Net increase in cash, cash equivalents, and restricted cash | $ 1,120,431 | ¥ 7,703,521,000 | 5,634,887,000 | 4,184,869,000 |  |  |
ASU 2014-09 | Adjustment |  |  |  |  |  |  |
Recent accounting pronouncements |  |  |  |  |  |  |
Accumulated deficit |  |  |  |  |  |  | ¥ 256,994,000
ASU 2016-18 | Previously reported |  |  |  |  |  |  |
Recent accounting pronouncements |  |  |  |  |  |  |
Net cash provided by/(used in) operating activities |  |  | 24,821,273,000 | 8,767,017,000 |  |  |
Net cash used in investing activities |  |  | (37,498,092,000) | (48,268,577,000) |  |  |
Net cash provided by financing activities |  |  | 19,234,985,000 | 40,699,471,000 |  |  |
Effect of exchange rate changes on cash, cash equivalents, and restricted cash |  |  | (641,534,000) | 709,916,000 |  |  |
Net increase in cash, cash equivalents, and restricted cash |  |  | 5,916,632,000 | 1,907,827,000 |  |  |
ASU 2016-18 | Adjustments |  |  |  |  |  |  |
Recent accounting pronouncements |  |  |  |  |  |  |
Net cash provided by/(used in) operating activities |  |  | 2,035,454,000 | (526,646,000) |  |  |
Net cash used in investing activities |  |  | (2,317,199,000) | 2,787,142,000 |  |  |
Effect of exchange rate changes on cash, cash equivalents, and restricted cash |  |  |  | 16,546,000 |  |  |
Net increase in cash, cash equivalents, and restricted cash |  |  | (281,745,000) | 2,277,042,000 |  |  |
ASU 2016-02 | Forecast | Adjustments |  |  |  |  |  |  |
Recent accounting pronouncements |  |  |  |  |  |  |
ROU assets |  |  |  |  | ¥ 7,000,000,000 |  |
ROU lease liabilities |  |  |  |  | ¥ 7,000,000,000 |  |
PRC | General reserve fund | Foreign invested enterprise |  |  |  |  |  |  |
Statutory reserves |  |  |  |  |  |  |
Minimum portion of after tax profit to be allocated to general reserve under PRC law (as a percentage) | 10.00% | 10.00% |  |  |  |  |
Maximum percentage of statutory general reserve related to entity's registered capital | 50.00% | 50.00% |  |  |  |  |
PRC | Statutory surplus reserve | Domestic enterprise |  |  |  |  |  |  |
Statutory reserves |  |  |  |  |  |  |
Minimum portion of after tax profit to be allocated to statutory surplus under PRC law (as a percentage) | 10.00% | 10.00% |  |  |  |  |
Maximum percentage of statutory surplus reserve related to entity's registered capital | 50.00% | 50.00% |  |  |  |  |
Electronics and home appliance products |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |
Net revenues |  | ¥ 280,059,089,000 | 236,268,621,000 | 179,821,655,000 |  |  |
General merchandise products |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |
Net revenues |  | 136,049,657,000 | 95,555,789,000 | 58,121,977,000 |  |  |
Shipping |  |  |  |  |  |  |
Fulfillment |  |  |  |  |  |  |
Fulfillment |  | 15,216,351,000 | 12,691,013,000 | 9,329,269,000 |  |  |
Accrued expenses and other current liabilities |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |
Liabilities for return allowances |  |  |  |  |  | 363,191,000 |
Prepayments and other current assets |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |
Rights to recover products from customers |  |  |  |  |  | ¥ 381,165,000 |
JD Retail | Marketplace and advertising services |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |
Net revenues |  | 33,531,862,000 | 25,390,981,000 | 17,074,605,000 |  |  |
New Businesses | Logistics and other services |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |
Net revenues |  | ¥ 12,379,151,000 | ¥ 5,116,363,000 | ¥ 3,271,710,000 |  |  |

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