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Investment in Unconsolidated Affiliates Summarized Income Statement of Equity Method Investment (Tables) | 3 Months Ended
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Mar. 31, 2014
Summarized Financial Information of Equity Method Investment [Line Items] |
Summarized Income Statement Financial Information, Equity Method Investment [Table Text Block] |
| Three Months Ended
Income Statement | March 31, 2014
| (In millions)
Operating revenues | $ | 1,001.6 |
Cost of sales | 632.6 |
Operating income | 161.9 |
Net income attributable to Enable | 149.2 |

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- Definition Summarized Income Statement Financial Information, Equity Method Investment [Table Text Block] + References No definition available. + Details
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