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Related Party Transactions (Tables) | 3 Months Ended
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Mar. 31, 2013
Related Party Transactions [Abstract] |
Related Party Transactions | The following table summarizes our related party transactions for the periods presented:
|  | For the Three Months Ended March 31, |
|  | 2013 |  |  | 2012 |
Revenues – related parties: |  |  |  |  |  |
Unconsolidated affiliates |  | $ | 5.9 |  |  | $ | 30.8 |
Costs and expenses – related parties: |  |  |  |  |  |  |  |
EPCO and affiliates |  | $ | 212.7 |  |  | $ | 166.0 |
Unconsolidated affiliates |  |  | 31.3 |  |  |  | 5.1 |
Total |  | $ | 244.0 |  |  | $ | 171.1 |
The following table summarizes our related party accounts receivable and accounts payable balances at the dates indicated:
|  | March 31, |  |  | December 31, |
|  | 2013 |  |  | 2012 |
Accounts receivable - related parties: |  |  |  |  |  |
Unconsolidated affiliates |  | $ | 2.7 |  |  | $ | 2.5 |
Accounts payable - related parties: |  |  |  |  |  |  |  |
EPCO and affiliates |  | $ | 61.9 |  |  | $ | 102.4 |
Unconsolidated affiliates |  |  | 31.2 |  |  |  | 24.7 |
Total |  | $ | 93.1 |  |  | $ | 127.1 |
We have an extensive and ongoing relationship with EPCO and its privately held affiliates (including Enterprise GP, our general partner), which are not a part of our consolidated group of companies. At March 31, 2013, EPCO and its privately held affiliates (including Dan Duncan LLC and certain Duncan family trusts, the beneficiaries of which include the estate of Dan L. Duncan) beneficially owned the following limited partner interests in us:
Number of Units Beneficially Owned | Percentage of Total Units Outstanding
339,604,069 (1) | 37.1%
(1) Includes 4,520,431 Class B units.
The following table presents our costs and expenses attributable to the ASA and other related party transactions with EPCO for the periods presented:
|  | For the Three Months Ended March 31, |
|  | 2013 |  |  | 2012 |
Operating costs and expenses |  | $ | 181.1 |  |  | $ | 142.7 |
General and administrative expenses |  |  | 31.6 |  |  |  | 23.3 |
Total costs and expenses |  | $ | 212.7 |  |  | $ | 166.0 |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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