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JD Digits reorganization (Details 4) - CNY (¥)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
JD Digits      
JD Digits reorganization      
Maximum exposure to loss ¥ 1,728,568,000 ¥ 3,902,238,000 ¥ 12,076,035,000
Held-for-sale | JD Digits      
JD Digits reorganization      
Profit sharing payments recognized ¥ 0