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Earnings Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2012
Numerators and Denominators Used in Computations of Basic and Diluted Earnings per Common Share |
| Reconciliations of the numerators and denominators used in the computations of basic and diluted earnings per common share were as follows, in millions:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Numerator (basic and diluted): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 22 |  |  | $ | 56 |  |  | $ | 3 |  |  | $ | 29 |
Allocation to unvested restricted stock awards |  |  | (1 | ) |  |  | (2 | ) |  |  | (2 | ) |  |  | (2 | )
Income from continuing operations attributable to common shareholders |  |  | 21 |  |  |  | 54 |  |  |  | 1 |  |  |  | 27 |
Loss from discontinued operations |  |  | (7 | ) |  |  | (20 | ) |  |  | (30 | ) |  |  | (31 | )
Allocation to unvested restricted stock awards |  |  | — |  |  |  | 1 |  |  |  | 1 |  |  |  | 1 |
Loss from discontinued operations attributable to common shareholders |  |  | (7 | ) |  |  | (19 | ) |  |  | (29 | ) |  |  | (30 | )
Net income (loss) available to common shareholders |  | $ | 14 |  |  | $ | 35 |  |  | $ | (28 | ) |  | $ | (3 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic common shares (based upon weighted average) |  |  | 349 |  |  |  | 348 |  |  |  | 349 |  |  |  | 348 |
Add: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent common shares |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Stock option dilution |  |  | 1 |  |  |  | — |  |  |  | 1 |  |  |  | 1 |
Diluted common shares |  |  | 350 |  |  |  | 348 |  |  |  | 350 |  |  |  | 349 |

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- Definition Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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