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Other Income and Expense (Tables) | 12 Months Ended
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Dec. 31, 2013
Other Income and Expenses [Abstract] |
Components of Other Income | The components of other income are summarized as follows:
|  | Years Ended December 31,
|  | 2013 |  | 2012 |  | 2011
|  | (in millions)
Contract termination - Beaver Valley |  | $ | 60 |  |  | $ | — |  |  | $ | — |
Gain on sale of assets |  | 12 |  |  | 21 |  |  | 46 |
Reversal of legal contingency |  | 10 |  |  | — |  |  | — |
Insurance proceeds |  | — |  |  | 38 |  |  | 11 |
Tax credit settlement |  | — |  |  | — |  |  | 31 |
Gain on extinguishment of tax and other liabilities |  | 9 |  |  | — |  |  | 14 |
Other |  | 34 |  |  | 39 |  |  | 40 |
Total other income |  | $ | 125 |  |  | $ | 98 |  |  | $ | 142 |
Components of Other Expense | The components of other expense are summarized as follows:
|  | Years Ended December 31,
|  | 2013 |  | 2012 |  | 2011
|  | (in millions)
Loss on disposal of assets |  | $ | 51 |  |  | $ | 64 |  |  | $ | 66 |
Contract termination |  | 7 |  |  | — |  |  | — |
Other |  | 18 |  |  | 18 |  |  | 20 |
Total other expense |  | $ | 76 |  |  | $ | 82 |  |  | $ | 86 |

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- Definition Tabular disclosure of the detailed components of other nonoperating income. May include methodology, assumptions and amounts for: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 5 + Details
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- Definition Tabular disclosure of each detailed component of other operating costs and expenses that are applicable to sales and revenues, but not included in the cost of sales in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3 -Article 5 + Details
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