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General Accounting Matters (Tables) | 9 Months Ended
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Sep. 30, 2013
General Accounting Matters [Abstract] |
Allowance for Doubtful Accounts Activity |
|  | For the Nine Months |
|  | Ended September 30, |
|  | 2013 |  |  | 2012 |
Balance at beginning of period |  | $ | 13.2 |  |  | $ | 13.4 |
Charged to costs and expenses |  |  | 1.2 |  |  |  | 0.2 |
Deductions |  |  | (7.7 | ) |  |  | (0.4 | )
Balance at end of period |  | $ | 6.7 |  |  | $ | 13.2 |
Schedule of Other Nonoperating Income |
|  | For the Three Months |  |  | For the Nine Months |
|  | Ended September 30, |  |  | Ended September 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Gain on sales of available-for-sale securities of Energy Transfer Equity (1) |  | $ | -- |  |  | $ | -- |  |  | $ | -- |  |  | $ | 68.8 |
Distribution income from Energy Transfer Equity |  |  | -- |  |  |  | -- |  |  |  | -- |  |  |  | 4.1 |
Other |  |  | 0.4 |  |  |  | 1.2 |  |  |  | (0.5 | ) |  |  | (0.2 | )
Total |  | $ | 0.4 |  |  | $ | 1.2 |  |  | $ | (0.5 | ) |  | $ | 72.7 |
(1) See Note 7 for information regarding the liquidation of our investment in limited partnership units of Energy Transfer Equity. |

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- Definition Tabular disclosure of the allowance for doubtful accounts, including charges and other changes to the balance. + References No definition available. + Details
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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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