Segment Information - Summary of Consolidated Revenues Disaggregated by Product and Service (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue from External Customer [Line Items]
Revenue recognized		$ 5,043.5	$ 4,201.8	$ 15,733.4	$ 10,905.9
Non-customer revenue		(243.2)	(83.7)	(742.7)	(328.6)
Total revenues		5,360.1	4,459.7	16,375.0	11,508.2
Derivative Activities - Hedge [Member]
Revenue from External Customer [Line Items]
Non-customer revenue		(121.7)	(100.4)	(425.2)	(303.8)
Derivative Activities - Non-hedge [Member]
Revenue from External Customer [Line Items]
Non-customer revenue	[1]	(121.5)	16.7	(317.5)	(24.8)
Natural Gas [Member]
Revenue from External Customer [Line Items]
Revenue recognized		1,748.1	916.1	4,244.1	2,371.3
NGL [Member]
Revenue from External Customer [Line Items]
Revenue recognized		3,145.4	3,185.0	11,048.3	8,278.4
Condensate and Crude Oil [Member]
Revenue from External Customer [Line Items]
Revenue recognized		150.0	100.7	441.0	256.2
Gathering And Processing Fees
Revenue from External Customer [Line Items]
Revenue recognized		376.4	201.3	829.6	485.7
Sales of Commodities [Member]
Revenue from External Customer [Line Items]
Total revenues		4,800.3	4,118.1	14,990.7	10,577.3
Other [Member]
Revenue from External Customer [Line Items]
Revenue recognized		18.6	6.8	54.3	33.6
NGL Transportation, Fractionation and Services [Member]
Revenue from External Customer [Line Items]
Revenue recognized		82.3	45.8	215.1	138.5
Storage Terminaling and Export [Member]
Revenue from External Customer [Line Items]
Revenue recognized		82.5	87.7	285.3	273.1
Fees from Midstream Services [Member]
Revenue from External Customer [Line Items]
Revenue recognized		559.8	341.6	1,384.3	930.9
Total revenues		$ 559.8	$ 341.6	$ 1,384.3	$ 930.9

[1] Represents derivative activities that are not designated as hedging instruments under ASC 815.