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PRINCIPAL ACCOUNTING POLICIES (Details 5) (CNY)
In Millions, unless otherwise specified
0 Months Ended
Oct. 31, 2013
Zhong'an Online
Dec. 31, 2013
Keystone
Nov. 30, 2013
Yishang Network
May 31, 2012
Starway Hong Kong
Nov. 30, 2013
Starway Hong Kong
Hanting
May 31, 2012
Starway Hong Kong
Hanting
Investment transaction disclosures            
Percentage of equity interest purchased aggregate 5.00% 4.00% 35.00%      
Equity sold (as a percent)         49.00% 51.00%
Company's non-controlling interest (as a percent)       49.00%    
Amount of consideration paid     13.0