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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock-Based Compensation Expense | The following table sets forth stock-based compensation expense recognized for the three and nine months ended September 30, 2013 and 2012. Of the 2013 amount, $2 million was included as part of merger transaction costs. These costs were recorded as part of general and administrative expense on the Company's consolidated statements of comprehensive income (loss).
| Three Months Ended September 30, | Nine Months Ended September 30,
| 2013 | 2012 | 2013 | 2012
| (in millions)
Stock-based compensation expense | $ | 1 |  | $ | 1 |  | $ | 4 |  | $ | 4 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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