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Investments in Unconsolidated Affiliates (Details) (USD $) In Millions, except Share data, unless otherwise specified | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended |  |  | 12 Months Ended |  |  |  |  | 12 Months Ended |  |  |  |  |  |  |  |  |  |  | 12 Months Ended |  |  |  |  |  |  | 12 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Neptune Pipeline Company, LLC [Member] | Dec. 31, 2013 NGL Pipelines & Services [Member] | Dec. 31, 2012 NGL Pipelines & Services [Member] | Dec. 31, 2011 NGL Pipelines & Services [Member] | Dec. 31, 2013 NGL Pipelines & Services [Member] Venice Energy Service Company LLC [Member] | Dec. 31, 2012 NGL Pipelines & Services [Member] Venice Energy Service Company LLC [Member] | Dec. 31, 2013 NGL Pipelines & Services [Member] K/D/S Promix, LLC [Member] | Dec. 31, 2012 NGL Pipelines & Services [Member] K/D/S Promix, LLC [Member] | Dec. 31, 2013 NGL Pipelines & Services [Member] Baton Rouge Fractionators LLC [Member] | Dec. 31, 2012 NGL Pipelines & Services [Member] Baton Rouge Fractionators LLC [Member] | Dec. 31, 2013 NGL Pipelines & Services [Member] Skelly-Belvieu Pipeline Company, LLC [Member] | Dec. 31, 2012 NGL Pipelines & Services [Member] Skelly-Belvieu Pipeline Company, LLC [Member] | Dec. 31, 2013 NGL Pipelines & Services [Member] Texas Express Pipeline LLC [Member] | Dec. 31, 2012 NGL Pipelines & Services [Member] Texas Express Pipeline LLC [Member] | Dec. 31, 2013 NGL Pipelines & Services [Member] Texas Express Gathering LLC [Member] | Dec. 31, 2012 NGL Pipelines & Services [Member] Texas Express Gathering LLC [Member] | Dec. 31, 2013 NGL Pipelines & Services [Member] Front Range Pipeline LLC [Member] | Dec. 31, 2012 NGL Pipelines & Services [Member] Front Range Pipeline LLC [Member] | Dec. 31, 2013 Onshore Natural Gas Pipelines & Services [Member] | Dec. 31, 2012 Onshore Natural Gas Pipelines & Services [Member] | Dec. 31, 2011 Onshore Natural Gas Pipelines & Services [Member] | Dec. 31, 2013 Onshore Natural Gas Pipelines & Services [Member] White River Hub, LLC [Member] | Dec. 31, 2012 Onshore Natural Gas Pipelines & Services [Member] White River Hub, LLC [Member] | Dec. 31, 2013 Onshore Crude Oil Pipelines & Services [Member] | Dec. 31, 2012 Onshore Crude Oil Pipelines & Services [Member] | Dec. 31, 2011 Onshore Crude Oil Pipelines & Services [Member] | Dec. 31, 2013 Onshore Crude Oil Pipelines & Services [Member] Seaway Crude Pipeline Company LLC [Member] | Dec. 31, 2012 Onshore Crude Oil Pipelines & Services [Member] Seaway Crude Pipeline Company LLC [Member] | Dec. 31, 2013 Onshore Crude Oil Pipelines & Services [Member] Eagle Ford Pipeline LLC [Member] | Dec. 31, 2012 Onshore Crude Oil Pipelines & Services [Member] Eagle Ford Pipeline LLC [Member] | Dec. 31, 2013 Offshore Pipelines & Services [Member] | Dec. 31, 2012 Offshore Pipelines & Services [Member] | Dec. 31, 2011 Offshore Pipelines & Services [Member] | Dec. 31, 2013 Offshore Pipelines & Services [Member] Poseidon Oil Pipeline Company, LLC [Member] | Dec. 31, 2012 Offshore Pipelines & Services [Member] Poseidon Oil Pipeline Company, LLC [Member] | Dec. 31, 2013 Offshore Pipelines & Services [Member] Cameron Highway Oil Pipeline Company [Member] | Dec. 31, 2012 Offshore Pipelines & Services [Member] Cameron Highway Oil Pipeline Company [Member] | Dec. 31, 2013 Offshore Pipelines & Services [Member] Deepwater Gateway LLC [Member] | Dec. 31, 2012 Offshore Pipelines & Services [Member] Deepwater Gateway LLC [Member] | Dec. 31, 2013 Offshore Pipelines & Services [Member] Neptune Pipeline Company, LLC [Member] | Dec. 31, 2012 Offshore Pipelines & Services [Member] Neptune Pipeline Company, LLC [Member] | Dec. 31, 2013 Offshore Pipelines & Services [Member] Southeast Keathley Canyon Pipeline Company, LLC [Member] | Dec. 31, 2012 Offshore Pipelines & Services [Member] Southeast Keathley Canyon Pipeline Company, LLC [Member] | Dec. 31, 2013 Petrochemical & Refined Products Services [Member] | Dec. 31, 2012 Petrochemical & Refined Products Services [Member] | Dec. 31, 2011 Petrochemical & Refined Products Services [Member] | Dec. 31, 2013 Petrochemical & Refined Products Services [Member] Baton Rouge Propylene Concentrator, LLC [Member] | Dec. 31, 2012 Petrochemical & Refined Products Services [Member] Baton Rouge Propylene Concentrator, LLC [Member] | Dec. 31, 2013 Petrochemical & Refined Products Services [Member] Centennial Pipeline LLC [Member] | Dec. 31, 2012 Petrochemical & Refined Products Services [Member] Centennial Pipeline LLC [Member] | Dec. 31, 2013 Petrochemical & Refined Products Services [Member] Other Unconsolidated Affiliates [Member] | Dec. 31, 2012 Petrochemical & Refined Products Services [Member] Other Unconsolidated Affiliates [Member] | Dec. 31, 2013 Other Investment [Member] | Dec. 31, 2012 Other Investment [Member] | Dec. 31, 2011 Other Investment [Member] | Jan. 18, 2012 Other Investment [Member] Energy Transfer Equity [Member] | Apr. 27, 2012 Other Investment [Member] Energy Transfer Equity [Member] | Dec. 31, 2012 Other Investment [Member] Energy Transfer Equity [Member] | Dec. 31, 2011 Other Investment [Member] Energy Transfer Equity [Member]
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership Interest (in hundredths) |  |  |  |  |  |  |  | 13.10% |  | 50.00% |  | 32.20% |  | 50.00% |  | 35.00% |  | 45.00% |  | 33.30% |  |  |  |  | 50.00% |  |  |  |  | 50.00% |  | 50.00% |  |  |  |  | 36.00% |  | 50.00% |  | 50.00% |  | 25.70% |  | 50.00% |  |  |  |  |  |  |  | 30.00% |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13.10%
Investments in unconsolidated affiliates | $ 2,437.1 | $ 1,394.6 |  |  |  |  |  | $ 27.6 | $ 29.6 | $ 45.4 | $ 46.9 | $ 19.5 | $ 20.2 | $ 40.8 | $ 38.2 | $ 339.9 | $ 144.4 | $ 37.8 | $ 20.9 | $ 134.5 | $ 24.4 |  |  |  | $ 24.2 | $ 24.9 |  |  |  | $ 940.7 | $ 341.4 | $ 224.5 | $ 152.4 |  |  |  | $ 41.7 | $ 47.3 | $ 207.7 | $ 220.0 | $ 84.5 | $ 90.0 | $ 38.7 | $ 46.8 | $ 159.2 | $ 74.9 |  |  |  |  |  |  | $ 7.6 | $ 8.5 | $ 60.1 | $ 60.8 | $ 2.7 | [1] | $ 3.0 | [1] |  |  |  |  |  |  |  |  |  |
Non-cash asset impairment charges | 92.6 | 63.4 | 27.8 | 4.8 | 30.6 | 16.3 | 11.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 29.2 | 10.4 |  |  | 30.1 | 10.6 | 0 |  |  |  |  | 18.0 | 4.0 | 5.5 |  |  |  |  |  |  |  |  |  |  | 18.7 |  | 3.3 |  | 0.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income (loss) of unconsolidated affiliates by business segment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in income of unconsolidated affiliates | 167.3 | 64.3 | 46.4 |  | 15.7 | 15.9 | 21.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.8 | 4.4 | 5.5 |  |  | 140.3 | 32.6 | (4.1) |  |  |  |  | 29.8 | 26.9 | 27.1 |  |  |  |  |  |  |  |  |  |  | (22.3) | [2] | (17.9) | [2] | (18.7) | [2] |  |  |  |  |  |  |  |  | 0 | [3] | 2.4 | [3] | 14.8 | [3] |  |  |  |
Unamortized excess cost amounts by business segment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized excess cost amounts | 58.1 | 63.7 |  |  | 27.7 | 28.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17.8 | 18.5 |  |  |  |  |  | 10.0 | 13.6 |  |  |  |  |  |  |  |  |  |  |  | 2.6 |  | 2.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment amortization of excess cost | 3.3 | 3.4 | 34.5 |  | 1.2 | 1.0 | 1.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.7 | 0.7 | 0.7 |  |  |  |  | 1.3 | 1.2 | 1.2 |  |  |  |  |  |  |  |  |  |  | 0.1 |  | 0.2 |  | 0.1 |  |  |  |  |  |  |  |  |  | 0 | [4] | 0.3 | [4] | 31.5 | [4] |  |  |  |
Forecasted amortization of excess cost amounts - 2014 | 3.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forecasted amortization of excess cost amounts - 2015 | 3.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forecasted amortization of excess cost amounts - 2016 | 3.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forecasted amortization of excess cost amounts - 2017 | 3.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forecasted amortization of excess cost amounts - 2018 | 3.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage exceeded on ownership interests (in hundredths) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.00%
Number of Energy Transfer Equity common units sold (in units) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22,762,636 |  |  | 9,672,576
Proceeds from the sale of Energy Transfer Equity common units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 825.1 |  |  | 375.2
Gain on the sale of Energy Transfer Equity common units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 27.2
Number of common units owned accounted for under equity method (in units) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29,303,514
Percentage reduced on ownership interests (in hundredths) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.00% |  |  |
Investment in equity securities - available-for-sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Energy Transfer Equity common units sold (in units) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,540,878 |  |
Proceeds from the sale of available-for-sale securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 270.2 |  |
Gain on sales of Energy Transfer Equity common units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 68.8 |
Summarized balance sheet information of unconsolidated affiliates: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current assets | 266.6 | 254.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment, net | 5,735.6 | 2,911.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other assets | 24.9 | 3.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total assets | 6,027.1 | 3,169.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current liabilities | 494.6 | 276.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other liabilities | 309.0 | 272.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined equity | 5,223.5 | 2,620.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities and combined equity | 6,027.1 | 3,169.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Summarized income statement information of unconsolidated affiliates [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | 947.4 | 670.1 | 9,119.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating income | 423.9 | 213.7 | 1,393.4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | $ 382.6 | $ 174.9 | $ 458.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | Other unconsolidated affiliates include a 50% interest in a propylene pipeline extending from Mont Belvieu, Texas to La Porte, Texas and a 25% interest in a company that provides logistics communications solutions between petroleum pipelines and their customers.
[2] | Losses are primarily attributable to our investment in Centennial. As a result of a trend in declining earnings, we estimated the fair value of this equity-method investment during each of the last three fiscal years. Our estimates, based on a combination of the market and income approaches, indicate that the fair value of this investment remains substantially in excess of its carrying value.
[3] | With respect to the year ended December 31, 2012, the amount presented reflects our equity in the income of Energy Transfer Equity from January 1, 2012 to January 18, 2012.
[4] | Reflects amortization of excess cost amounts related to our investment in Energy Transfer Equity through January 18, 2012, which is the date we ceased using the equity method to account for this investment.

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- Definition This item represents the disclosure of summarized financial information for unconsolidated subsidiaries accounted for using the equity method of accounting. If investments accounted for under the equity method are, in the aggregate, material in relation to the financial position or results of operations of an investor, it may be necessary to present summarized information as to assets of the investee, or group of investments for which combined disclosure is appropriate. + References No definition available. + Details
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