Segment Information - Summary of Consolidated Revenues Disaggregated by Product and Service (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue from External Customer [Line Items]
Revenue recognized		$ 5,800.9	$ 3,201.8	$ 10,689.9	$ 6,704.3
Non-customer revenue		(176.7)	(110.2)	(499.6)	(245.0)
Total revenues		6,055.8	3,415.9	11,014.9	7,048.7
Derivative Activities - Hedge [Member]
Revenue from External Customer [Line Items]
Non-customer revenue		(157.7)	(53.6)	(303.5)	(203.4)
Derivative Activities - Non-hedge [Member]
Revenue from External Customer [Line Items]
Non-customer revenue	[1]	(19.0)	(56.6)	(196.1)	(41.6)
Natural Gas [Member]
Revenue from External Customer [Line Items]
Revenue recognized		1,531.7	613.8	2,496.0	1,455.2
NGL [Member]
Revenue from External Customer [Line Items]
Revenue recognized		4,096.4	2,499.1	7,903.0	5,093.6
Condensate and Crude Oil [Member]
Revenue from External Customer [Line Items]
Revenue recognized		172.8	88.9	290.9	155.5
Gathering And Processing Fees
Revenue from External Customer [Line Items]
Revenue recognized		247.1	168.0	453.4	284.3
Sales of Commodities [Member]
Revenue from External Customer [Line Items]
Total revenues		5,624.2	3,091.6	10,190.3	6,459.3
Other [Member]
Revenue from External Customer [Line Items]
Revenue recognized		15.7	14.2	35.7	26.9
NGL Transportation, Fractionation and Services [Member]
Revenue from External Customer [Line Items]
Revenue recognized		66.9	45.6	132.7	92.8
Storage Terminaling and Export [Member]
Revenue from External Customer [Line Items]
Revenue recognized		101.9	96.5	202.8	185.4
Fees from Midstream Services [Member]
Revenue from External Customer [Line Items]
Revenue recognized		431.6	324.3	824.6	589.4
Total revenues		$ 431.6	$ 324.3	$ 824.6	$ 589.4

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