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Business Segments, Segment Reporting Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Information by business segment [Abstract] |  |  |
Gross operating margin | $ 8,508.5 | $ 8,188.1 | $ 8,289.8
Revenues from third parties | 40,726.8 | 27,163.0 | 32,721.9
Revenues from related parties | 80.1 | 36.7 | 67.3
Intersegment and intrasegment revenues | 0.0 | 0.0 | 0.0
Total revenues | 40,806.9 | 27,199.7 | 32,789.2
Equity in income (loss) of unconsolidated affiliates | 583.4 | 426.1 | 563.0
Property, plant and equipment, net | 42,087.7 | 41,912.8 | 41,603.4
Investments in unconsolidated affiliates | 2,428.4 | 2,429.2 | 2,600.2
Intangible assets, net | 3,150.6 | 3,309.1 | 3,449.0
Goodwill | 5,448.9 | 5,448.9 | 5,745.2
Segment assets | 53,115.6 | 53,100.0 | 53,397.8
NGL Pipelines and Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Total revenues | 16,302.6 | 11,177.2 | 13,470.7
Equity in income (loss) of unconsolidated affiliates | 120.0 | 121.3 | 114.5
Intangible assets, net | 317.2 | 334.1 |
Goodwill | 2,651.7 | 2,651.7 | 2,651.7
Crude Oil Pipelines & Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Total revenues | 10,902.2 | 6,689.0 | 10,287.3
Equity in income (loss) of unconsolidated affiliates | 456.3 | 301.2 | 449.2
Intangible assets, net | 1,860.0 | 1,936.6 |
Goodwill | 1,841.0 | 1,841.0 | 1,841.0
Natural Gas Pipelines & Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Total revenues | 4,399.6 | 2,553.1 | 3,169.4
Equity in income (loss) of unconsolidated affiliates | 5.8 | 5.8 | 6.3
Intangible assets, net | 848.7 | 905.0 |
Goodwill | 0.0 | 0.0 | 296.3
Petrochemical & Refined Products Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Total revenues | 9,202.5 | 6,780.4 | 5,861.8
Equity in income (loss) of unconsolidated affiliates | 1.3 | (2.2) | (7.0)
Intangible assets, net | 124.7 | 133.4 |
Goodwill | 956.2 | 956.2 | 956.2
Reportable Business Segments [Member] | NGL Pipelines and Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Gross operating margin | 4,315.9 | 4,182.4 | 4,069.8
Revenues from third parties | 16,293.3 | 11,170.6 | 13,460.8
Revenues from related parties | 9.3 | 6.6 | 9.9
Intersegment and intrasegment revenues | 55,796.3 | 29,010.3 | 20,840.4
Total revenues | 72,098.9 | 40,187.5 | 34,311.1
Equity in income (loss) of unconsolidated affiliates | 120.0 | 121.3 | 114.5
Property, plant and equipment, net | 17,202.1 | 17,128.3 | 16,652.1
Investments in unconsolidated affiliates | 656.8 | 671.6 | 703.8
Intangible assets, net | 317.2 | 334.1 | 360.2
Goodwill | 2,651.7 | 2,651.7 | 2,651.7
Segment assets | 20,827.8 | 20,785.7 | 20,367.8
Reportable Business Segments [Member] | Crude Oil Pipelines & Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Gross operating margin | 1,679.9 | 1,997.3 | 2,087.8
Revenues from third parties | 10,849.3 | 6,668.8 | 10,244.6
Revenues from related parties | 52.9 | 20.2 | 42.7
Intersegment and intrasegment revenues | 29,984.4 | 24,531.3 | 34,613.0
Total revenues | 40,886.6 | 31,220.3 | 44,900.3
Equity in income (loss) of unconsolidated affiliates | 456.3 | 301.2 | 449.2
Property, plant and equipment, net | 6,973.5 | 6,982.6 | 6,324.4
Investments in unconsolidated affiliates | 1,736.8 | 1,723.7 | 1,866.5
Intangible assets, net | 1,860.0 | 1,936.6 | 2,001.9
Goodwill | 1,841.0 | 1,841.0 | 1,841.0
Segment assets | 12,411.3 | 12,483.9 | 12,033.8
Reportable Business Segments [Member] | Natural Gas Pipelines & Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Gross operating margin | 1,155.5 | 926.6 | 1,062.6
Revenues from third parties | 4,381.7 | 2,543.2 | 3,154.7
Revenues from related parties | 17.9 | 9.9 | 14.7
Intersegment and intrasegment revenues | 650.0 | 460.1 | 624.7
Total revenues | 5,049.6 | 3,013.2 | 3,794.1
Equity in income (loss) of unconsolidated affiliates | 5.8 | 5.8 | 6.3
Property, plant and equipment, net | 8,560.3 | 8,465.8 | 8,432.5
Investments in unconsolidated affiliates | 31.6 | 31.4 | 27.3
Intangible assets, net | 848.7 | 905.0 | 941.2
Goodwill | 0.0 | 0.0 | 296.3
Segment assets | 9,440.6 | 9,402.2 | 9,697.3
Reportable Business Segments [Member] | Petrochemical & Refined Products Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Gross operating margin | 1,357.2 | 1,081.8 | 1,069.6
Revenues from third parties | 9,202.5 | 6,780.4 | 5,861.8
Revenues from related parties | 0.0 | 0.0 | 0.0
Intersegment and intrasegment revenues | 22,110.4 | 5,379.4 | 2,481.3
Total revenues | 31,312.9 | 12,159.8 | 8,343.1
Equity in income (loss) of unconsolidated affiliates | 1.3 | (2.2) | (7.0)
Property, plant and equipment, net | 7,735.4 | 7,528.4 | 7,553.2
Investments in unconsolidated affiliates | 3.2 | 2.5 | 2.6
Intangible assets, net | 124.7 | 133.4 | 145.7
Goodwill | 956.2 | 956.2 | 956.2
Segment assets | 8,819.5 | 8,620.5 | 8,657.7
Eliminations [Member] |  |  |
Information by business segment [Abstract] |  |  |
Revenues from third parties | 0.0 | 0.0 | 0.0
Revenues from related parties | 0.0 | 0.0 | 0.0
Intersegment and intrasegment revenues | (108,541.1) | (59,381.1) | (58,559.4)
Total revenues | (108,541.1) | (59,381.1) | (58,559.4)
Equity in income (loss) of unconsolidated affiliates | 0.0 | 0.0 | 0.0
Adjustments [Member] |  |  |
Information by business segment [Abstract] |  |  |
Property, plant and equipment, net | 1,616.4 | 1,807.7 | 2,641.2
Investments in unconsolidated affiliates | 0.0 | 0.0 | 0.0
Intangible assets, net | 0.0 | 0.0 | 0.0
Goodwill | 0.0 | 0.0 | 0.0
Segment assets | $ 1,616.4 | $ 1,807.7 | $ 2,641.2

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