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v3.21.2

Segment Information - Revenues and Operating Margin (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Revenues: |  |  |  |
Revenues | $ 3,415.9 | $ 1,523.5 | $ 7,048.7 | $ 3,572.4
Operating margin | 522.1 | 479.5 | 1,147.6 | 1,145.5
Sales of Commodities [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 3,091.6 | 1,280.6 | 6,459.3 | 3,060.2
Fees from Midstream Services [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 324.3 | 242.9 | 589.4 | 512.2
Gathering and Processing [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 1,504.4 | 634.2 | 2,737.6 | 1,441.2
Operating margin | 301.2 | 237.2 | 576.6 | 492.8
Logistics And Transportation [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 3,267.3 | 1,322.6 | 6,727.2 | 2,957.8
Operating margin | 291.4 | 231.5 | 640.1 | 525.5
Other [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | (70.5) | 10.8 | (69.1) | 127.2
Operating margin | (70.5) | 10.8 | (69.1) | 127.2
Corporate and Eliminations [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | (1,285.3) | (444.1) | (2,347.0) | (953.8)
Operating Segments [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 3,415.9 | 1,523.5 | 7,048.7 | 3,572.4
Operating Segments [Member] | Sales of Commodities [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 3,091.6 | 1,280.6 | 6,459.3 | 3,060.2
Operating Segments [Member] | Fees from Midstream Services [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 324.3 | 242.9 | 589.4 | 512.2
Operating Segments [Member] | Gathering and Processing [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 319.1 | 243.5 | 581.1 | 605.5
Operating Segments [Member] | Gathering and Processing [Member] | Sales of Commodities [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 147.3 | 133.5 | 289.8 | 377.3
Operating Segments [Member] | Gathering and Processing [Member] | Fees from Midstream Services [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 171.8 | 110.0 | 291.3 | 228.2
Operating Segments [Member] | Logistics And Transportation [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 3,167.3 | 1,269.2 | 6,536.7 | 2,839.7
Operating Segments [Member] | Logistics And Transportation [Member] | Sales of Commodities [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 3,014.8 | 1,136.3 | 6,238.6 | 2,555.7
Operating Segments [Member] | Logistics And Transportation [Member] | Fees from Midstream Services [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 152.5 | 132.9 | 298.1 | 284.0
Operating Segments [Member] | Other [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | (70.5) | 10.8 | (69.1) | 127.2
Operating Segments [Member] | Other [Member] | Sales of Commodities [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | (70.5) | 10.8 | (69.1) | 127.2
Intersegment Eliminations [Member] | Gathering and Processing [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 1,185.3 | 390.7 | 2,156.5 | 835.7
Intersegment Eliminations [Member] | Gathering and Processing [Member] | Sales of Commodities [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 1,184.7 | 389.2 | 2,154.4 | 832.4
Intersegment Eliminations [Member] | Gathering and Processing [Member] | Fees from Midstream Services [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 0.6 | 1.5 | 2.1 | 3.3
Intersegment Eliminations [Member] | Logistics And Transportation [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 100.0 | 53.4 | 190.5 | 118.1
Intersegment Eliminations [Member] | Logistics And Transportation [Member] | Sales of Commodities [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 92.6 | 46.1 | 175.2 | 102.7
Intersegment Eliminations [Member] | Logistics And Transportation [Member] | Fees from Midstream Services [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | 7.4 | 7.3 | 15.3 | 15.4
Intersegment Eliminations [Member] | Corporate and Eliminations [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | (1,285.3) | (444.1) | (2,347.0) | (953.8)
Intersegment Eliminations [Member] | Corporate and Eliminations [Member] | Sales of Commodities [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | (1,277.3) | (435.3) | (2,329.6) | (935.1)
Intersegment Eliminations [Member] | Corporate and Eliminations [Member] | Fees from Midstream Services [Member] |  |  |  |
Revenues: |  |  |  |
Revenues | $ (8.0) | $ (8.8) | $ (17.4) | $ (18.7)

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