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INVESTMENTS (Details)
Dec. 31, 2013
USD ($)
Dec. 31, 2013
CNY
Dec. 31, 2012
CNY
Dec. 31, 2013
Hanting
CNY
Dec. 31, 2012
Hanting
CNY
Dec. 31, 2013
eHi
CNY
Dec. 31, 2013
Easy Go
CNY
Dec. 31, 2013
Dining Secretary
CNY
Dec. 31, 2012
Dining Secretary
CNY
Dec. 31, 2013
Happy City
CNY
Dec. 31, 2013
Home Inns
CNY
Dec. 31, 2012
Home Inns
CNY
Dec. 31, 2013
Yishang Network
CNY
Dec. 31, 2012
Starway Hong Kong
CNY
Dec. 31, 2013
Keystone
CNY
Dec. 31, 2013
Zhong'an Online
CNY
Investment                                
Available-for-sale       1,016,455,767 585,540,705 570,977,550 143,904,165 56,242,365 60,234,118 37,358,327            
Equity method                     801,550,868 762,423,802 21,665,182 15,656,192    
Cost method                             155,330,749 50,000,000
Others   3,728,507 13,393,132                          
Total net book value $ 471,978,043 2,857,213,480 1,437,247,949