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Overall Contribution by Giant Network, VIE, and Its Subsidiaries as well as Company and Other Entities within Group to Group's Total Net Income and Total Comprehensive Income (Detail)
12 Months Ended
Dec. 31, 2011
USD ($)
Dec. 31, 2011
CNY
Dec. 31, 2010
CNY
Dec. 31, 2009
CNY
Dec. 31, 2011
Shanghai Giant Network Technology Co Ltd
CNY
Dec. 31, 2010
Shanghai Giant Network Technology Co Ltd
CNY
Dec. 31, 2011
GIANT INTERACTIVE GROUP, INC.
CNY
Dec. 31, 2010
GIANT INTERACTIVE GROUP, INC.
CNY
Comprehensive Income (Loss) [Line Items]                
Net income (loss) attributable to the Company's shareholders $ 139,812,655 879,966,874 811,187,833 859,313,746 1,515,790,079 1,091,837,769 (635,823,205) (280,649,936)
Other comprehensive loss   (100,725,366) (87,734,291)       (100,725,366) (87,734,291)
Comprehensive income $ 123,809,006 779,241,508 723,453,542 813,780,445