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v3.20.2

Investments in Unconsolidated Affiliates (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investments in unconsolidated affiliates | $ 2,547.4 |  | $ 2,547.4 |  | $ 2,600.2
Equity in income (loss) of unconsolidated affiliates by business segment [Abstract] |  |  |  |  |
Equity in income (loss) of unconsolidated affiliates | 113.3 | $ 137.4 | 254.1 | $ 292.0 |
NGL Pipelines & Services [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investments in unconsolidated affiliates | 685.9 |  | 685.9 |  | 703.8
Equity in income (loss) of unconsolidated affiliates by business segment [Abstract] |  |  |  |  |
Equity in income (loss) of unconsolidated affiliates | 28.8 | 26.7 | 61.5 | 56.8 |
Crude Oil Pipelines & Services [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investments in unconsolidated affiliates | 1,828.7 |  | 1,828.7 |  | 1,866.5
Equity in income (loss) of unconsolidated affiliates by business segment [Abstract] |  |  |  |  |
Equity in income (loss) of unconsolidated affiliates | 84.1 | 111.0 | 191.4 | 235.6 |
Natural Gas Pipelines & Services [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investments in unconsolidated affiliates | 28.5 |  | 28.5 |  | 27.3
Equity in income (loss) of unconsolidated affiliates by business segment [Abstract] |  |  |  |  |
Equity in income (loss) of unconsolidated affiliates | 1.3 | 1.6 | 2.9 | 3.3 |
Petrochemical & Refined Products Services [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investments in unconsolidated affiliates | 4.3 |  | 4.3 |  | $ 2.6
Equity in income (loss) of unconsolidated affiliates by business segment [Abstract] |  |  |  |  |
Equity in income (loss) of unconsolidated affiliates | $ (0.9) | $ (1.9) | $ (1.7) | $ (3.7) |

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