Share-based Compensation (Share Options, June 2008 Scheme) (Details)	12 Months Ended
Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum percentage of ordinary shares in issue upon exercise of all outstanding options granted and yet to be exercised	30.00%
Share Option Scheme, June 2008 Scheme [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum percentage of ordinary shares in issue on effective date of option scheme ("Limit")	10.00%
Maximum percentage of ordinary shares in issue on effective date of limit as refreshed ("Refreshed Limit")	10.00%
Maximum number of additional options authorized to grant	31,410,107
Share options, expiration period (in years)	10 years
Award vesting period	4 years

Maximum percentage of ordinary shares in issue on effective date of limit as refreshed ("Refreshed Limit")

No definition available.

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- Definition

Maximum percentage of ordinary shares in issue on effective date of option scheme ("Limit")

+ References

No definition available.

+ Details

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- Definition

The expiration period of share options after adoption.

+ References

No definition available.

+ Details

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ References

No definition available.

+ Details

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- Definition

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

+ References

No definition available.

+ Details

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