Earnings Per Common Share (Details Textual) In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2011 |
Sep. 30, 2010 |
Sep. 30, 2011 |
Sep. 30, 2010 |
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Series L Preferred Stock [Member] | Mandatorily Convertible [Member] |
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| Earnings Per Common Share (Textual) [Abstract] | ||||
| Average options to purchase shares of common stock | 67 | 117 | 67 | 117 |
| Preferred Stock, Dividend Rate, Percentage | 7.25% | |||
Series T Preferred Stock [Member] |
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| Earnings Per Common Share (Textual) [Abstract] | ||||
| Average options to purchase shares of common stock | 77 | |||
| Preferred Stock, Dividend Rate, Percentage | 6.00% | |||
| Incremental Common Shares Attributable to Conversion of Preferred Stock | 228 | |||
Stock Options [Member] |
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| Earnings Per Common Share (Textual) [Abstract] | ||||
| Average options to purchase shares of common stock | 213 | 265 | 219 | 273 |
Warrants [Member] |
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| Earnings Per Common Share (Textual) [Abstract] | ||||
| Average options to purchase shares of common stock | 272 | 272 | 272 | 0 |
| X | ||||||||||
- Definition Earnings Per Common Share Textual Abstract.
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| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible preferred stock using the if-converted method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The percentage rate used to calculate dividend payments on preferred stock.
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