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Business Segments, Segment Reporting Information (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Information by business segment [Abstract] |  |  |  |  |  |  |  |
Revenues from third parties | $ 42,509.8 |  | $ 43,537.9 |  | $ 33,040.9 |  |  |
Revenues from related parties | 73.3 |  | 775.1 |  | 698.4 |  |  |
Intersegment and intrasegment revenues | 0 |  | 0 |  | 0 |  |  |
Total revenues | 42,583.1 |  | 44,313.0 |  | 33,739.3 |  |  |
Equity in income (loss) of unconsolidated affiliates | 64.3 |  | 46.4 |  | 62.0 |  |  |
Gross operating margin | 4,387.0 |  | 3,871.7 |  | 3,253.0 |  |  |
Property, plant and equipment, net (see Note 8) | 24,846.4 |  | 22,191.6 |  | 19,332.9 |  |  |
Investments in unconsolidated affiliates (see Note 9) | 1,394.6 |  | 1,859.6 |  | 2,293.1 |  |  |
Intangible assets, net: (see Note 11) | 1,566.8 |  | 1,656.2 |  | 1,841.7 |  |  |
Goodwill: (see Note 11) | 2,086.8 |  | 2,092.3 |  | 2,107.7 |  | 2,018.3 | [1]
Segment assets | 29,894.6 |  | 27,799.7 |  | 25,575.4 |  |  |
NGL Pipelines and Services [Member] |  |  |  |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |  |  |  |
Revenues from third parties | 15,158.9 |  | 16,938.1 |  | 13,736.8 |  |  |
Revenues from related parties | 9.5 |  | 545.2 |  | 465.7 |  |  |
Intersegment and intrasegment revenues | 12,500.6 |  | 13,657.7 |  | 10,209.9 |  |  |
Total revenues | 27,669.0 |  | 31,141.0 |  | 24,412.4 |  |  |
Equity in income (loss) of unconsolidated affiliates | 15.9 |  | 21.8 |  | 17.7 |  |  |
Gross operating margin | 2,468.5 |  | 2,184.2 |  | 1,732.6 |  |  |
Property, plant and equipment, net (see Note 8) | 8,494.8 |  | 7,137.8 |  | 6,813.1 |  |  |
Investments in unconsolidated affiliates (see Note 9) | 324.6 |  | 146.1 |  | 131.5 |  |  |
Intangible assets, net: (see Note 11) | 320.6 |  | 341.3 |  | 379.7 |  |  |
Goodwill: (see Note 11) | 341.2 |  | 341.2 |  | 341.2 |  | 341.2 |
Segment assets | 9,481.2 |  | 7,966.4 |  | 7,665.5 |  |  |
Onshore Natural Gas Pipelines And Services [Member] |  |  |  |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |  |  |  |
Revenues from third parties | 3,297.7 |  | 3,510.0 |  | 3,479.4 |  |  |
Revenues from related parties | 54.9 |  | 220.2 |  | 222.2 |  |  |
Intersegment and intrasegment revenues | 871.6 |  | 1,131.8 |  | 900.8 |  |  |
Total revenues | 4,224.2 |  | 4,862.0 |  | 4,602.4 |  |  |
Equity in income (loss) of unconsolidated affiliates | 4.4 |  | 5.5 |  | 4.6 |  |  |
Gross operating margin | 775.5 |  | 675.3 |  | 527.2 |  |  |
Property, plant and equipment, net (see Note 8) | 8,950.1 |  | 8,495.4 |  | 6,595.0 |  |  |
Investments in unconsolidated affiliates (see Note 9) | 24.9 |  | 30.1 |  | 32.6 |  |  |
Intangible assets, net: (see Note 11) | 1,067.9 |  | 1,127.8 |  | 1,246.1 |  |  |
Goodwill: (see Note 11) | 296.3 |  | 296.3 |  | 311.1 |  | 284.9 |
Segment assets | 10,339.2 |  | 9,949.6 |  | 8,184.8 |  |  |
Onshore Crude Oil Pipelines and Services [Member] |  |  |  |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |  |  |  |
Revenues from third parties | 17,661.6 |  | 16,061.0 |  | 10,794.7 |  |  |
Revenues from related parties | 0.1 |  | 0.1 |  | 0.1 |  |  |
Intersegment and intrasegment revenues | 6,906.9 |  | 4,904.3 |  | 927.0 |  |  |
Total revenues | 24,568.6 |  | 20,965.4 |  | 11,721.8 |  |  |
Equity in income (loss) of unconsolidated affiliates | 32.6 |  | (4.1) |  | 6.7 |  |  |
Gross operating margin | 387.7 |  | 234.0 |  | 113.7 |  |  |
Property, plant and equipment, net (see Note 8) | 1,385.9 |  | 456.9 |  | 427.9 |  |  |
Investments in unconsolidated affiliates (see Note 9) | 493.8 |  | 170.7 |  | 172.2 |  |  |
Intangible assets, net: (see Note 11) | 5.9 |  | 5.8 |  | 6.2 |  |  |
Goodwill: (see Note 11) | 311.2 |  | 311.2 |  | 311.2 |  | 303.0 |
Segment assets | 2,196.8 |  | 944.6 |  | 917.5 |  |  |
Offshore Pipelines And Services [Member] |  |  |  |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |  |  |  |
Revenues from third parties | 182.7 |  | 246.4 |  | 300.3 |  |  |
Revenues from related parties | 8.8 |  | 9.6 |  | 10.4 |  |  |
Intersegment and intrasegment revenues | 10.4 |  | 6.6 |  | 3.6 |  |  |
Total revenues | 201.9 |  | 262.6 |  | 314.3 |  |  |
Equity in income (loss) of unconsolidated affiliates | 26.9 |  | 27.1 |  | 44.8 |  |  |
Gross operating margin | 173.0 |  | 228.2 |  | 297.8 |  |  |
Property, plant and equipment, net (see Note 8) | 1,343.0 |  | 1,416.4 |  | 1,390.9 |  |  |
Investments in unconsolidated affiliates (see Note 9) | 479.0 |  | 424.9 |  | 443.2 |  |  |
Intangible assets, net: (see Note 11) | 66.2 |  | 77.5 |  | 88.7 |  |  |
Goodwill: (see Note 11) | 82.1 |  | 82.1 |  | 82.1 |  | 82.1 |
Segment assets | 1,970.3 |  | 2,000.9 |  | 2,004.9 |  |  |
Petrochemical and Refined Products Services [Member] |  |  |  |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |  |  |  |
Revenues from third parties | 6,208.9 |  | 6,782.4 |  | 4,729.7 |  |  |
Revenues from related parties | 0 |  | 0 |  | 0 |  |  |
Intersegment and intrasegment revenues | 1,758.9 |  | 1,799.1 |  | 1,106.7 |  |  |
Total revenues | 7,967.8 |  | 8,581.5 |  | 5,836.4 |  |  |
Equity in income (loss) of unconsolidated affiliates | (17.9) | [2] | (18.7) | [2] | (9.0) | [2] |  |
Gross operating margin | 579.9 |  | 535.2 |  | 584.5 |  |  |
Property, plant and equipment, net (see Note 8) | 2,559.5 |  | 2,539.5 |  | 2,498.8 |  |  |
Investments in unconsolidated affiliates (see Note 9) | 72.3 |  | 64.7 |  | 76.8 |  |  |
Intangible assets, net: (see Note 11) | 106.2 |  | 103.8 |  | 121.0 |  |  |
Goodwill: (see Note 11) | 1,056.0 |  | 1,061.5 |  | 1,062.1 |  | 1,007.1 |
Segment assets | 3,794.0 |  | 3,769.5 |  | 3,758.7 |  |  |
Other Investment [Member] |  |  |  |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |  |  |  |
Revenues from third parties | 0 |  | 0 |  | 0 |  |  |
Revenues from related parties | 0 |  | 0 |  | 0 |  |  |
Intersegment and intrasegment revenues | 0 |  | 0 |  | 0 |  |  |
Total revenues | 0 |  | 0 |  | 0 |  |  |
Equity in income (loss) of unconsolidated affiliates | 2.4 | [3] | 14.8 | [3] | (2.8) | [3] |  |
Gross operating margin | 2.4 |  | 14.8 |  | (2.8) |  |  |
Property, plant and equipment, net (see Note 8) | 0 |  | 0 |  | 0 |  |  |
Investments in unconsolidated affiliates (see Note 9) | 0 |  | 1,023.1 |  | 1,436.8 |  |  |
Intangible assets, net: (see Note 11) | 0 |  | 0 |  | 0 |  |  |
Goodwill: (see Note 11) | 0 |  | 0 |  | 0 |  |  |
Segment assets | 0 |  | 1,023.1 |  | 1,436.8 |  |  |
Adjustments and Eliminations [Member] |  |  |  |  |  |  |  |
Information by business segment [Abstract] |  |  |  |  |  |  |  |
Revenues from third parties | 0 |  | 0 |  | 0 |  |  |
Revenues from related parties | 0 |  | 0 |  | 0 |  |  |
Intersegment and intrasegment revenues | (22,048.4) |  | (21,499.5) |  | (13,148.0) |  |  |
Total revenues | (22,048.4) |  | (21,499.5) |  | (13,148.0) |  |  |
Equity in income (loss) of unconsolidated affiliates | 0 |  | 0 |  | 0 |  |  |
Gross operating margin | 0 |  | 0 |  | 0 |  |  |
Property, plant and equipment, net (see Note 8) | 2,113.1 |  | 2,145.6 |  | 1,607.2 |  |  |
Investments in unconsolidated affiliates (see Note 9) | 0 |  | 0 |  | 0 |  |  |
Intangible assets, net: (see Note 11) | 0 |  | 0 |  | 0 |  |  |
Goodwill: (see Note 11) | 0 |  | 0 |  | 0 |  |  |
Segment assets | $ 2,113.1 |  | $ 2,145.6 |  | $ 1,607.2 |  |  |
[1] | The total carrying amount of goodwill at January 1, 2010 is net of $1.3 million of accumulated impairment charges incurred prior to 2010. No goodwill impairment charges were recorded during the three years ended December 31, 2012.
[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.

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