Commitments and Contingencies, Contractual Obligations (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Scheduled maturities of debt obligations [Abstract]
2020	$ 1,982.0
2021	1,325.0
2022	1,400.0
2023	1,250.0
2024	850.0
Thereafter	21,071.4
Total	27,878.4	$ 26,420.6
Estimated cash interest payments [Abstract]
2020	1,224.7
2021	1,154.0
2022	1,101.2
2023	1,061.1
2024	1,023.0
Thereafter	20,700.5
Total	26,264.5
Operating lease obligations [Abstract]
2020	45.2
2021	40.1
2022	28.6
2023	20.2
2024	15.7
Thereafter	121.4
Total	271.2
Natural Gas [Member]
Estimated payment obligations:
2020	345.4
2021	264.8
2022	0.0
2023	0.0
2024	0.0
Thereafter	0.0
Total	610.2
NGLs [Member]
Estimated payment obligations:
2020	844.0
2021	911.1
2022	627.5
2023	548.1
2024	513.5
Thereafter	2,090.5
Total	5,534.7
Crude Oil [Member]
Estimated payment obligations:
2020	1,436.9
2021	1,677.2
2022	1,659.8
2023	1,532.1
2024	1,536.3
Thereafter	6,183.2
Total	14,025.5
Petrochemicals And Refined Products [Member]
Estimated payment obligations:
2020	164.1
2021	77.2
2022	48.9
2023	48.9
2024	44.9
Thereafter	0.0
Total	384.0
Estimated Payment Obligations Other [Member]
Estimated payment obligations:
2020	7.6
2021	4.8
2022	2.8
2023	2.9
2024	1.5
Thereafter	0.0
Total	19.6
Service Payment Commitments [Member]
Estimated payment obligations:
2020	66.6
2021	59.7
2022	57.7
2023	43.3
2024	14.5
Thereafter	93.9
Total	335.7
Capital Expenditure Commitments [Member]
Estimated payment obligations:
2020	45.8
2021	0.0
2022	0.0
2023	0.0
2024	0.0
Thereafter	0.0
Total	45.8
EFS Midstream Contract with Producers [Member]
Contractual obligation [Line Items]
Contractual obligation	270.0
Capital expenditures to date	$ 151.0
Contract term	10 years

Total amount spent to date for a contractual obligation.

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