v2.4.0.6
Details of Company's Subsidiaries (Detail)
12 Months Ended
Dec. 31, 2011
Eddia International Group Limited
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Jul. 26, 2006
Place of incorporation/ establishment British Virgin Islands ("BVI")
Percentage of shareholding/ ownership 100.00%
Principal activities Investment holding
Shanghai Zhengtu Information Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Sep. 06, 2006
Place of incorporation/ establishment PRC
Percentage of shareholding/ ownership 100.00%
Principal activities Online game development and maintenance
Giant Interactive (HK) Limited
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Dec. 22, 2008
Place of incorporation/ establishment Hong Kong
Percentage of shareholding/ ownership 100.00%
Principal activities Investment holding
Zhuhai Zhengtu Information Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Feb. 19, 2009
Place of incorporation/ establishment PRC
Percentage of shareholding/ ownership 100.00%
Principal activities Online game research and development
Hangzhou Snow Wolf Software Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment May 18, 2009
Place of incorporation/ establishment PRC
Percentage of shareholding/ ownership 51.07%
Principal activities Online game research and development
Shanghai Zhengduo Information Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Jul. 08, 2009
Place of incorporation/ establishment PRC
Percentage of shareholding/ ownership 100.00%
Principal activities Online game development and maintenance
Shanghai Jujia Network Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Oct. 20, 2009
Place of incorporation/ establishment PRC
Percentage of shareholding/ ownership 51.00%
Principal activities Online game research and development
Shanghai Juhuo Network Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Nov. 04, 2009
Place of incorporation/ establishment PRC
Percentage of shareholding/ ownership 51.00%
Principal activities Online game development and maintenance
Shanghai Juhe Network Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Nov. 04, 2009
Place of incorporation/ establishment PRC
Percentage of shareholding/ ownership 51.00%
Principal activities Online game research and development
Shanghai Juyan Network Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Jan. 04, 2010
Place of incorporation/ establishment PRC
Percentage of shareholding/ ownership 100.00%
Principal activities Online game research and development
Chengdu Jufan Network Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Mar. 29, 2010
Place of incorporation/ establishment PRC
Percentage of shareholding/ ownership 51.00%
Principal activities Online game research and development
Shanghai Zhengju Information Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Apr. 28, 2010
Place of incorporation/ establishment PRC
Percentage of shareholding/ ownership 100.00%
Principal activities Online game research and development
Shanghai Juquan Network Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment May 19, 2010
Place of incorporation/ establishment PRC
Percentage of shareholding/ ownership 51.00%
Principal activities Online game research and development
Shanghai Giant Network Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Nov. 14, 2004
Place of incorporation/ establishment PRC
Principal activities Internet content provider
Wuxi Giant Network Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Dec. 28, 2009
Place of incorporation/ establishment PRC
Principal activities Online game research and development
Wuxi Tiema Network Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Jun. 03, 2010
Place of incorporation/ establishment PRC
Principal activities Online game research and development
Shanghai Juxin Network Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Oct. 09, 2010
Place of incorporation/ establishment PRC
Principal activities Online game research and development
Beijing Giant Glorious Mission Network Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Oct. 13, 2010
Place of incorporation/ establishment PRC
Principal activities Online game research and development
Beijing Julun Network Information Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Nov. 19, 2010
Place of incorporation/ establishment PRC
Principal activities Online game research and development
Shanghai Haoji Network Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment Nov. 24, 2010
Place of incorporation/ establishment PRC
Principal activities Online game research and development
Wuxi Tiequan Network Technology Co Ltd
 
Variable Interest Entity [Line Items]  
Date of incorporation/ establishment May 23, 2011
Place of incorporation/ establishment PRC
Principal activities Online game research and development