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Organization and Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified | 0 Months Ended | 9 Months Ended | 10 Months Ended
--- | --- | --- | ---
Aug. 31, 2012 mi barrel | Sep. 30, 2012 | Oct. 31, 2012
Equity Method of Accounting |  |  |
Cash received related to formation of pipeline |  | $ 55 |
Contribution to fund continued development of pipeline system |  | 24 |
Enterprise Product Partners |  |  |
Equity Method of Accounting |  |  |
Contributed assets |  | 17 |
Contribution to fund continued development of pipeline system |  | 24 |
Eagle Ford Pipeline LLC |  |  |
Equity Method of Accounting |  |  |
Crude oil and condensate pipeline (in miles) | 175 |  |
Volume of operational storage capacity (in barrels) | 1,800,000 |  |
Ownership interest (as a percent) |  | 50.00% |
Contributed assets |  | 134 |
Cash received related to formation of pipeline |  |  | 58
Contribution to fund continued development of pipeline system |  | $ 24 |

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