v2.4.0.6

5. Capital Stock (Detail) - Summary of Stock Option Activity	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
	125,000,000	62,800,000
Exercisable, end of period	126,387,500	125,000,000
Granted	3,800,000	84,700,000
Exercised	1,000,000	(22,500,000)
	127,800,000	125,000,000

X

- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(c), d(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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X

- Definition

Net number of share options (or share units) granted during the period.

+ References

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X

- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ References

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-Publisher FASB

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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- Definition

Number of share options (or share units) exercised during the current period.

+ References

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

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