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Supplemental Cash Flow Information (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Dec. 31, 2012
Decrease (increase) in: |  |  |  |  |
Accounts receivable - trade | $ (1,130.0) |  | $ 121.7 |  |
Accounts receivable - related parties | (9.6) |  | 27.5 |  |
Inventories | (674.2) |  | (229.2) |  |
Prepaid and other current assets | (31.5) |  | (11.3) |  |
Other assets | 3.2 |  | (54.3) |  |
Increase (decrease) in: |  |  |  |  |
Accounts payable - trade | 114.3 |  | 36.2 |  |
Accounts payable - related parties | (30.4) |  | (98.9) |  |
Accrued product payables | 1,358.1 |  | (609.4) |  |
Accrued interest | (132.6) |  | (100.0) |  |
Other current liabilities | 29.3 |  | 26.9 |  |
Other liabilities | (10.5) |  | (19.4) |  |
Net effect of changes in operating accounts | (513.9) |  | (910.2) |  |
Liability for construction in progress expenditures | 378.4 |  |  |  | 221.7
Significant Acquisitions and Disposals [Line Items] |  |  |  |  |
Proceeds from asset sales and insurance recoveries | 256.3 |  | 1,167.4 |  |
Gains (losses) attributable to asset sales and insurance recoveries | 68.4 |  | 102.9 |  |
Energy Transfer Equity [Member] |  |  |  |  |
Significant Acquisitions and Disposals [Line Items] |  |  |  |  |
Proceeds from asset sales and insurance recoveries | 0 |  | 1,095.3 |  |
Gains (losses) attributable to asset sales and insurance recoveries | 0 | [1] | 68.8 | [1] |
Seminole Pipeline segment [Member] |  |  |  |  |
Significant Acquisitions and Disposals [Line Items] |  |  |  |  |
Proceeds from asset sales and insurance recoveries | 86.9 |  | 0 |  |
Gains (losses) attributable to asset sales and insurance recoveries | 52.5 |  | 0 |  |
Chemical Trucking Assets [Member] |  |  |  |  |
Significant Acquisitions and Disposals [Line Items] |  |  |  |  |
Proceeds from asset sales and insurance recoveries | 29.5 |  | 0 |  |
Lubrication oil and specialty chemical distribution assets [Member] |  |  |  |  |
Significant Acquisitions and Disposals [Line Items] |  |  |  |  |
Proceeds from asset sales and insurance recoveries | 35.3 |  | 0 |  |
Marine transportation assets [Member] |  |  |  |  |
Significant Acquisitions and Disposals [Line Items] |  |  |  |  |
Proceeds from asset sales and insurance recoveries | 16.5 |  | 2.4 |  |
West Storage Facilities [Member] |  |  |  |  |
Significant Acquisitions and Disposals [Line Items] |  |  |  |  |
Proceeds from asset sales and insurance recoveries | 8.8 |  | 30.0 |  |
Gains (losses) attributable to asset sales and insurance recoveries | 8.8 |  | 30.0 |  |
Other Disposal of Assets [Member] |  |  |  |  |
Significant Acquisitions and Disposals [Line Items] |  |  |  |  |
Proceeds from asset sales and insurance recoveries | 14.3 |  | 16.0 |  |
Gains (losses) attributable to asset sales and insurance recoveries | 7.1 |  | 4.1 |  |
Pipeline Line Fill [Member] |  |  |  |  |
Significant Acquisitions and Disposals [Line Items] |  |  |  |  |
Proceeds from asset sales and insurance recoveries | $ 65.0 |  | $ 23.7 |  |
[1] | This amount is a component of "Other income" as presented on our Unaudited Condensed Statements of Consolidated Operations. All other amounts presented in the table are a component of "Operating costs and expenses" as presented on our Unaudited Condensed Statements of Consolidated Operations.

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