XML 137 R106.htm IDEA: XBRL DOCUMENT v3.8.0.1
Share-based compensation (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Share-based compensation      
Share-based compensation charge ¥ 2,780,062 ¥ 2,061,432 ¥ 1,076,286