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v3.20.4

Segment Information - Revenues and Operating Margin (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Revenues: |  |  |
Revenues | $ 8,260.3 | $ 8,671.1 | $ 10,484.0
Operating margin | 2,375.4 | 1,759.7 | 1,523.8
Sales of Commodities [Member] |  |  |
Revenues: |  |  |
Revenues | 7,171.0 | 7,393.8 | 9,278.7
Fees from Midstream Services [Member] |  |  |
Revenues: |  |  |
Revenues | 1,089.3 | 1,277.3 | 1,205.3
Gathering and Processing [Member] |  |  |
Revenues: |  |  |
Revenues | 3,326.8 | 4,465.4 | 5,587.0
Operating margin | 1,017.7 | 1,006.4 | 939.2
Logistics and Transportation [Member] |  |  |
Revenues: |  |  |
Revenues | 7,120.9 | 7,116.3 | 8,896.0
Operating margin | 1,128.0 | 867.2 | 592.5
Other [Member] |  |  |
Revenues: |  |  |
Revenues | 229.7 | (113.9) | (7.9)
Operating margin | 229.7 | (113.9) | (7.9)
Corporate and Eliminations [Member] |  |  |
Revenues: |  |  |
Revenues | (2,417.1) | (2,796.7) | (3,991.1)
Operating Segments [Member] |  |  |
Revenues: |  |  |
Revenues | 8,260.3 | 8,671.1 | 10,484.0
Operating Segments [Member] | Sales of Commodities [Member] |  |  |
Revenues: |  |  |
Revenues | 7,171.0 | 7,393.8 | 9,278.7
Operating Segments [Member] | Fees from Midstream Services [Member] |  |  |
Revenues: |  |  |
Revenues | 1,089.3 | 1,277.3 | 1,205.3
Operating Segments [Member] | Gathering and Processing [Member] |  |  |
Revenues: |  |  |
Revenues | 1,147.1 | 1,829.6 | 1,943.8
Operating Segments [Member] | Gathering and Processing [Member] | Sales of Commodities [Member] |  |  |
Revenues: |  |  |
Revenues | 659.9 | 1,101.6 | 1,228.2
Operating Segments [Member] | Gathering and Processing [Member] | Fees from Midstream Services [Member] |  |  |
Revenues: |  |  |
Revenues | 487.2 | 728.0 | 715.6
Operating Segments [Member] | Logistics and Transportation [Member] |  |  |
Revenues: |  |  |
Revenues | 6,883.5 | 6,955.4 | 8,548.1
Operating Segments [Member] | Logistics and Transportation [Member] | Sales of Commodities [Member] |  |  |
Revenues: |  |  |
Revenues | 6,281.4 | 6,406.1 | 8,058.4
Operating Segments [Member] | Logistics and Transportation [Member] | Fees from Midstream Services [Member] |  |  |
Revenues: |  |  |
Revenues | 602.1 | 549.3 | 489.7
Operating Segments [Member] | Other [Member] |  |  |
Revenues: |  |  |
Revenues | 229.7 | (113.9) | (7.9)
Operating Segments [Member] | Other [Member] | Sales of Commodities [Member] |  |  |
Revenues: |  |  |
Revenues | 229.7 | (113.9) | (7.9)
Intersegment Eliminations [Member] | Gathering and Processing [Member] |  |  |
Revenues: |  |  |
Revenues | 2,179.7 | 2,635.8 | 3,643.2
Intersegment Eliminations [Member] | Gathering and Processing [Member] | Sales of Commodities [Member] |  |  |
Revenues: |  |  |
Revenues | 2,173.2 | 2,628.4 | 3,636.0
Intersegment Eliminations [Member] | Gathering and Processing [Member] | Fees from Midstream Services [Member] |  |  |
Revenues: |  |  |
Revenues | 6.5 | 7.4 | 7.2
Intersegment Eliminations [Member] | Logistics and Transportation [Member] |  |  |
Revenues: |  |  |
Revenues | 237.4 | 160.9 | 347.9
Intersegment Eliminations [Member] | Logistics and Transportation [Member] | Sales of Commodities [Member] |  |  |
Revenues: |  |  |
Revenues | 205.9 | 132.2 | 317.1
Intersegment Eliminations [Member] | Logistics and Transportation [Member] | Fees from Midstream Services [Member] |  |  |
Revenues: |  |  |
Revenues | 31.5 | 28.7 | 30.8
Intersegment Eliminations [Member] | Corporate and Eliminations [Member] |  |  |
Revenues: |  |  |
Revenues | (2,417.1) | (2,796.7) | (3,991.1)
Intersegment Eliminations [Member] | Corporate and Eliminations [Member] | Sales of Commodities [Member] |  |  |
Revenues: |  |  |
Revenues | (2,379.1) | (2,760.6) | (3,953.1)
Intersegment Eliminations [Member] | Corporate and Eliminations [Member] | Fees from Midstream Services [Member] |  |  |
Revenues: |  |  |
Revenues | $ (38.0) | $ (36.1) | $ (38.0)

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