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Segment Information - Summary of Consolidated Revenues Disaggregated by Product and Service (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Revenue from External Customer [Line Items] |  |  |  |  |
Revenue recognized |  | $ 3,047.7 | $ 2,719.6 | $ 7,036.1 | $ 6,521.5
Total revenues |  | 3,562.0 | 3,403.7 | 8,124.4 | 7,924.2
Derivative Activities - Hedge [Member] |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Non-customer revenue |  | 32.2 | 49.8 | 29.0 | 95.0
Derivative Activities - Non-hedge [Member] |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Non-customer revenue | [1] | (88.8) | 145.2 | (120.7) | 323.2
Natural Gas [Member] |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Revenue recognized |  | 158.6 | 413.8 | 653.3 | 1,229.9
NGL [Member] |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Revenue recognized |  | 2,744.0 | 2,151.7 | 6,100.4 | 5,016.3
Condensate and Crude Oil [Member] |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Revenue recognized |  | 145.1 | 154.1 | 282.4 | 275.3
Gathering and Processing [Member] |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Revenue recognized |  | 385.7 | 317.4 | 791.5 | 632.8
Sales of Commodities [Member] |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Non-customer revenue |  | (56.6) | 195.0 | (91.7) | 418.2
Total revenues |  | 2,991.1 | 2,914.6 | 6,944.4 | 6,939.7
NGL Transportation, Fractionation and Services [Member] |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Revenue recognized |  | 50.8 | 63.4 | 113.6 | 119.4
Storage Terminaling and Export [Member] |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Revenue recognized |  | 114.5 | 91.4 | 240.3 | 200.2
Other [Member] |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Revenue recognized |  | 19.9 | 16.9 | 34.6 | 32.1
Fees from Midstream Services [Member] |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |
Revenue recognized |  | 570.9 | 489.1 | 1,180.0 | 984.5
Total revenues |  | $ 570.9 | $ 489.1 | $ 1,180.0 | $ 984.5
[1] | Represents derivative activities that are not designated as hedging instruments under ASC 815.

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