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Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
In Millions, except Per Share data, unless otherwise specified |
Dec. 31, 2012
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Dec. 31, 2011
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| Statement of Financial Position [Abstract] | ||
| Common stock and additional paid-in capital, par value | $ 0.0001 | $ 0.0001 |
| Common stock and additional paid-in capital, shares authorized | 2,750.0 | 2,750.0 |
| Common stock and additional paid-in capital, shares outstanding | 756.3 | 795.6 |
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- Definition
Face amount or stated value of common stock per share; generally not indicative of the fair market value per share. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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