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Equity and Distributions (Details) (USD $) In Millions, except Share data, unless otherwise specified | 1 Months Ended |  |  | 6 Months Ended | 1 Months Ended
--- | --- | --- | --- | --- | ---
Jun. 30, 2013 Enterprise EF78 LLC[Member] | Aug. 31, 2013 Class B units [Member] | Jun. 30, 2013 Class B units [Member] | Dec. 31, 2012 Class B units [Member] | Jun. 30, 2013 Treasury Units [Member] | Oct. 31, 2009 TEPPCO Merger [Member] Class B units [Member]
Mergers [Line Items] |  |  |  |  |  |
Units outstanding (in units) |  |  | 4,520,431 | 4,520,431 |  |
Common units issued in connection with merger (in units) |  |  |  |  |  | 4,520,431
Treasury Units [Abstract] |  |  |  |  |  |
Conversion of restricted units and similar awards to common units (in units) |  | 4,520,431 |  |  | 1,830,010 |
Acquisition of treasury units in connection with vesting of equity-based awards (in units) |  |  |  |  | 614,191 |
Total cost of treasury units |  |  |  |  | $ 35.8 |
Noncontrolling Interest [Line Items] |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 75.00% |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | 25.00% |  |  |  |  |
Noncontrolling Interest, Increase from Sale of Parent Equity Interest | $ 90.2 |  |  |  |  |

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