The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Intangible assets, net (Details) In Thousands, unless otherwise specified	12 Months Ended						12 Months Ended				12 Months Ended				12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2014 CNY	Dec. 31, 2013 CNY	Dec. 31, 2012 CNY	Dec. 31, 2014 Game Licenses [Member] CNY	Dec. 31, 2013 Game Licenses [Member] CNY	Dec. 31, 2014 Game Licenses [Member] Weighted Average [Member]	Dec. 31, 2013 Game Licenses [Member] Weighted Average [Member]	Dec. 31, 2014 Software Licenses [Member] CNY	Dec. 31, 2013 Software Licenses [Member] CNY	Dec. 31, 2014 Software Licenses [Member] Weighted Average [Member]	Dec. 31, 2013 Software Licenses [Member] Weighted Average [Member]	Dec. 31, 2014 Capitalized Costs for Internally Generated Software [Member] CNY	Dec. 31, 2013 Capitalized Costs for Internally Generated Software [Member] CNY	Dec. 31, 2014 Capitalized Costs for Internally Generated Software [Member] Weighted Average [Member]	Dec. 31, 2013 Capitalized Costs for Internally Generated Software [Member] Weighted Average [Member]
Finite-Lived Intangible Assets [Line Items]
Goss carrying amount		106,717	5,181		102,038	4,561			1,639				3,040	620
Less: accumulated amortization		(9,212)	(3,141)
Intangible assets, net	15,715	97,505	2,040
Amortization of intangible assets	979us-gaap_AmortizationOfIntangibleAssets	6,071us-gaap_AmortizationOfIntangibleAssets	1,990us-gaap_AmortizationOfIntangibleAssets	1,151us-gaap_AmortizationOfIntangibleAssets
Amortization expenses for 2015		47,077
Amortization expenses for 2016		36,966
Amortization expenses for 2017		13,462
Amortization period							2 years 7 months 6 days	1 year 4 months 24 days			3 years				1 year 6 months	1 year 6 months