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PRINCIPAL ACCOUNTING POLICIES (Details 14)	12 Months Ended					12 Months Ended
	Dec. 31, 2013 China CNY	Dec. 31, 2012 China CNY	Dec. 31, 2011 China CNY	Dec. 31, 2012 China USD ($)	Jun. 13, 2012 China USD ($)	Dec. 31, 2013 Taiwan CNY	Dec. 31, 2012 Taiwan CNY
Statutory reserves disclosures
Portion of after-tax profit to be allocated to general reserve under PRC law (as a percent)	10.00%					10.00%
Maximum percentage of statutory general reserve related to entity's registered capital	50.00%
Appropriations to statutory reserves	13,500,462	3,371,696	3,408,849			1,726,256	1,801,148
Dividends
Restricted net assets of company's PRC subsidiaries and VIEs not distributable in form of dividends to parent	1,300,000,000
Accumulated profit of subsidiaries in PRC distributable in form of dividends to parent	4,600,000,000	3,600,000,000	2,900,000,000
Withholding tax rate for dividends distributed by foreign invested enterprise to their immediate holding companies outside mainland china (as a percent)	10.00%
Amount approved as payment of dividend to purchase ADSs					300,000,000
PRC withholding tax		95,000,000		$ 15,000,000

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- Definition

Amount of restricted net assets that may be distributed to the parent.

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- Definition

The amount of net income allocated to statutory reserves for entities incorporated in China.

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- Definition

Amount of dividend distribution approved for funding of purchase of American depositary shares.

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- Definition

For entities incorporated in PRC or its province, the minimum percentage of the after-tax net income allocated to a statutory reserve until the reserve balance is a specified percentage of the registered capital.

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- Definition

For entities incorporated in PRC, the ratio of the statutory reserve to the registered capital which triggers the elimination of the requirement to contribute to the statutory reserve.

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- Definition

Amount of restricted net assets that may not be distributed to the parent.

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- Definition

The amount of withholding accrued for dividends distributed by a foreign invested enterprise to a subsidiary in Hong Kong. This amount represents the maximum which could be due for the dividend approved.

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- Definition

Withholding Tax Rate for Dividends Distributed by Foreign Invested Enterprise to Their Immediate Holding Companies Outside Mainland China

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