v2.4.0.8

Related Party Transactions (Details) (Targa Resource Partners, L.P., USD $) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013
Targa Resource Partners, L.P. |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Related Party Transaction, Expenses from Transactions with Related Party | $ 100,000 | $ 1,000,000 | $ 13,900,000 | $ 15,600,000 |
Accounts Payable, Related Parties | $ 0 |  | $ 0 |  | $ 0

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