NET INCOME PER SHARE (Details)
12 Months Ended
Dec. 31, 2013
USD ($)
Dec. 31, 2013
CNY
Dec. 31, 2012
CNY
Dec. 31, 2011
CNY
NET INCOME PER SHARE [Abstract]        
Net income/(loss) attributable to eLong, Inc. $ (27,707,034) (167,730,074) 471,278 39,270,319
Denominator for basic net income/(loss) per share:        
Weighted average number of shares outstanding 69,454,746 69,454,746 68,833,132 60,455,723
Dilutive effect of stock options       478,827 1,528,097
Dilutive effect of performance units       130,579 314,211
Dilutive effect of warrants       42 110
Weighted average shares outstanding used in computing diluted net (loss) income per share 69,454,746 69,454,746 69,442,580 62,298,141
Denominator for diluted net income/(loss) per share:        
Basic net income/(loss) per share $ (0.40) (2.41) 0.01 0.65
Diluted net income/(loss) per share $ (0.40) (2.41) 0.01 0.63