Segment Information - Financial Information and Assets (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting
Revenue from contracts with customers		$ 2,596.1	$ 1,444.9	$ 4,855.0	$ 2,776.7
Cost of sales, exclusive of operating expenses and depreciation and amortization	[1]	(2,105.1)	(1,055.1)	(3,899.6)	(1,989.8)
Realized loss on derivatives		(30.8)	(14.4)	(46.9)	(89.9)
Change in fair value of derivatives		35.3	(23.8)	20.2	(31.7)
Adjusted gross margin		495.5	351.6	928.7	665.3
Operating expenses		(128.9)	(96.8)	(249.8)	(153.1)
Segment profit		366.6	254.8	678.9	512.2
Depreciation and amortization		(159.0)	(151.9)	(311.9)	(302.9)
Gain on disposition of assets		0.4	0.3	(4.7)	0.3
General and administrative		(28.4)	(26.1)	(57.4)	(52.1)
Interest expense, net of interest income		(55.5)	(60.0)	(110.6)	(120.0)
Loss on extinguishment of debt		(0.5)	0.0	(0.5)	0.0
Loss from unconsolidated affiliate investments		(1.2)	(1.3)	(2.3)	(7.6)
Other income		0.2	0.2	0.3	0.1
Income before non-controlling interest and income taxes		122.6	16.0	191.8	30.0
Capital expenditures		62.5	48.6	122.5	69.4
Related parties amount in cost of sales		9.1	3.6	19.7	6.8
Permian
Segment Reporting
Revenue from contracts with customers		1,118.1	485.8	2,011.4	904.6
Cost of sales, exclusive of operating expenses and depreciation and amortization		(958.0)	(402.3)	(1,724.7)	(727.9)
Realized loss on derivatives		(10.2)	(4.2)	(12.6)	(61.1)
Change in fair value of derivatives		12.5	(7.9)	6.6	(13.2)
Adjusted gross margin		162.4	71.4	280.7	102.4
Operating expenses		(50.3)	(27.4)	(95.6)	(15.6)
Segment profit		112.1	44.0	185.1	86.8
Depreciation and amortization		(37.1)	(34.6)	(73.8)	(68.1)
Gain on disposition of assets		0.0	0.0	0.0	0.1
General and administrative		0.0	0.0	0.0	0.0
Interest expense, net of interest income		0.0	0.0	0.0	0.0
Loss on extinguishment of debt		0.0		0.0
Loss from unconsolidated affiliate investments		0.0	0.0	0.0	0.0
Other income		0.0	0.0	0.0	0.0
Income before non-controlling interest and income taxes		75.0	9.4	111.3	18.8
Capital expenditures		34.7	39.5	68.9	52.8
Louisiana
Segment Reporting
Revenue from contracts with customers		1,633.7	953.7	3,158.1	1,816.6
Cost of sales, exclusive of operating expenses and depreciation and amortization		(1,519.2)	(838.9)	(2,907.9)	(1,579.3)
Realized loss on derivatives		(2.5)	(6.4)	(9.1)	(17.1)
Change in fair value of derivatives		11.8	(9.4)	6.2	(9.8)
Adjusted gross margin		123.8	99.0	247.3	210.4
Operating expenses		(34.8)	(31.7)	(67.8)	(60.9)
Segment profit		89.0	67.3	179.5	149.5
Depreciation and amortization		(39.4)	(36.1)	(74.9)	(72.2)
Gain on disposition of assets		0.0	0.2	0.2	0.1
General and administrative		0.0	0.0	0.0	0.0
Interest expense, net of interest income		0.0	0.0	0.0	0.0
Loss on extinguishment of debt		0.0		0.0
Loss from unconsolidated affiliate investments		0.0	0.0	0.0	0.0
Other income		0.0	0.0	0.0	0.0
Income before non-controlling interest and income taxes		49.6	31.4	104.8	77.4
Capital expenditures		6.3	2.2	12.0	5.0
Oklahoma
Segment Reporting
Revenue from contracts with customers		450.6	276.5	845.0	510.5
Cost of sales, exclusive of operating expenses and depreciation and amortization		(321.3)	(164.9)	(598.1)	(315.9)
Realized loss on derivatives		(15.8)	(2.9)	(19.5)	(8.9)
Change in fair value of derivatives		8.2	(5.3)	1.1	(7.1)
Adjusted gross margin		121.7	103.4	228.5	178.6
Operating expenses		(23.1)	(17.8)	(44.1)	(37.5)
Segment profit		98.6	85.6	184.4	141.1
Depreciation and amortization		(52.3)	(50.6)	(103.2)	(101.3)
Gain on disposition of assets		0.2	0.0	0.4	0.0
General and administrative		0.0	0.0	0.0	0.0
Interest expense, net of interest income		0.0	0.0	0.0	0.0
Loss on extinguishment of debt		0.0		0.0
Loss from unconsolidated affiliate investments		0.0	0.0	0.0	0.0
Other income		0.0	0.0	0.0	0.0
Income before non-controlling interest and income taxes		46.5	35.0	81.6	39.8
Capital expenditures		11.5	4.9	26.9	6.8
North Texas
Segment Reporting
Revenue from contracts with customers		276.8	188.2	518.7	390.7
Cost of sales, exclusive of operating expenses and depreciation and amortization		(189.7)	(108.3)	(347.1)	(212.4)
Realized loss on derivatives		(2.3)	(0.9)	(5.7)	(2.8)
Change in fair value of derivatives		2.8	(1.2)	6.3	(1.6)
Adjusted gross margin		87.6	77.8	172.2	173.9
Operating expenses		(20.7)	(19.9)	(42.3)	(39.1)
Segment profit		66.9	57.9	129.9	134.8
Depreciation and amortization		(28.7)	(28.8)	(57.1)	(57.5)
Gain on disposition of assets		0.2	0.1	(5.3)	0.1
General and administrative		0.0	0.0	0.0	0.0
Interest expense, net of interest income		0.0	0.0	0.0	0.0
Loss on extinguishment of debt		0.0		0.0
Loss from unconsolidated affiliate investments		0.0	0.0	0.0	0.0
Other income		0.0	0.0	0.0	0.0
Income before non-controlling interest and income taxes		38.4	29.2	67.5	77.4
Capital expenditures		8.1	1.9	11.2	4.3
Corporate
Segment Reporting
Revenue from contracts with customers		(883.1)	(459.3)	(1,678.2)	(845.7)
Cost of sales, exclusive of operating expenses and depreciation and amortization		883.1	459.3	1,678.2	845.7
Realized loss on derivatives		0.0	0.0	0.0	0.0
Change in fair value of derivatives		0.0	0.0	0.0	0.0
Adjusted gross margin		0.0	0.0	0.0	0.0
Operating expenses		0.0	0.0	0.0	0.0
Segment profit		0.0	0.0	0.0	0.0
Depreciation and amortization		(1.5)	(1.8)	(2.9)	(3.8)
Gain on disposition of assets		0.0	0.0	0.0	0.0
General and administrative		(28.4)	(26.1)	(57.4)	(52.1)
Interest expense, net of interest income		(55.5)	(60.0)	(110.6)	(120.0)
Loss on extinguishment of debt		(0.5)		(0.5)
Loss from unconsolidated affiliate investments		(1.2)	(1.3)	(2.3)	(7.6)
Other income		0.2	0.2	0.3	0.1
Income before non-controlling interest and income taxes		(86.9)	(89.0)	(173.4)	(183.4)
Capital expenditures		1.9	0.1	3.5	0.5
Product sales
Segment Reporting
Revenue from contracts with customers		2,370.5	1,235.6	4,414.4	2,358.5
Product sales | Permian
Segment Reporting
Revenue from contracts with customers		654.6	268.3	1,122.2	500.6
Product sales | Louisiana
Segment Reporting
Revenue from contracts with customers		1,546.6	879.5	2,983.5	1,667.8
Product sales | Oklahoma
Segment Reporting
Revenue from contracts with customers		131.3	61.7	245.4	111.8
Product sales | North Texas
Segment Reporting
Revenue from contracts with customers		38.0	26.1	63.3	78.3
Product sales | Corporate
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Product sales, Natural gas sales
Segment Reporting
Revenue from contracts with customers		720.9	291.2	1,229.7	624.3
Product sales, Natural gas sales | Permian
Segment Reporting
Revenue from contracts with customers		323.0	97.4	518.6	222.4
Product sales, Natural gas sales | Louisiana
Segment Reporting
Revenue from contracts with customers		272.9	122.0	484.4	243.2
Product sales, Natural gas sales | Oklahoma
Segment Reporting
Revenue from contracts with customers		87.1	45.6	163.4	81.5
Product sales, Natural gas sales | North Texas
Segment Reporting
Revenue from contracts with customers		37.9	26.2	63.3	77.2
Product sales, Natural gas sales | Corporate
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Product sales, NGL sales
Segment Reporting
Revenue from contracts with customers		1,167.4	707.4	2,321.9	1,335.2
Product sales, NGL sales | Permian
Segment Reporting
Revenue from contracts with customers		0.0	0.5	0.0	0.5
Product sales, NGL sales | Louisiana
Segment Reporting
Revenue from contracts with customers		1,163.7	706.6	2,315.2	1,332.6
Product sales, NGL sales | Oklahoma
Segment Reporting
Revenue from contracts with customers		3.6	0.4	6.7	1.0
Product sales, NGL sales | North Texas
Segment Reporting
Revenue from contracts with customers		0.1	(0.1)	0.0	1.1
Product sales, NGL sales | Corporate
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Product sales, Crude oil and condensate sales
Segment Reporting
Revenue from contracts with customers		482.2	237.0	862.8	399.0
Product sales, Crude oil and condensate sales | Permian
Segment Reporting
Revenue from contracts with customers		331.6	170.4	603.6	277.7
Product sales, Crude oil and condensate sales | Louisiana
Segment Reporting
Revenue from contracts with customers		110.0	50.9	183.9	92.0
Product sales, Crude oil and condensate sales | Oklahoma
Segment Reporting
Revenue from contracts with customers		40.6	15.7	75.3	29.3
Product sales, Crude oil and condensate sales | North Texas
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Product sales, Crude oil and condensate sales | Corporate
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Product sales—related parties
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Product sales—related parties | Permian
Segment Reporting
Revenue from contracts with customers		427.5	195.5	827.3	360.4
Product sales—related parties | Louisiana
Segment Reporting
Revenue from contracts with customers		43.1	30.2	80.0	53.8
Product sales—related parties | Oklahoma
Segment Reporting
Revenue from contracts with customers		242.6	137.2	451.0	250.3
Product sales—related parties | North Texas
Segment Reporting
Revenue from contracts with customers		169.8	96.4	319.7	178.8
Product sales—related parties | Corporate
Segment Reporting
Revenue from contracts with customers		(883.0)	(459.3)	(1,678.0)	(843.3)
Product sales, NGL sales, related party
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Product sales, NGL sales, related party | Permian
Segment Reporting
Revenue from contracts with customers		427.5	195.5	827.3	360.4
Product sales, NGL sales, related party | Louisiana
Segment Reporting
Revenue from contracts with customers		43.1	30.2	80.0	53.8
Product sales, NGL sales, related party | Oklahoma
Segment Reporting
Revenue from contracts with customers		242.6	137.1	450.7	250.2
Product sales, NGL sales, related party | North Texas
Segment Reporting
Revenue from contracts with customers		165.8	94.3	312.7	175.2
Product sales, NGL sales, related party | Corporate
Segment Reporting
Revenue from contracts with customers		(879.0)	(457.1)	(1,670.7)	(839.6)
Product sales, Crude oil and condensate sales, related party
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Product sales, Crude oil and condensate sales, related party | Permian
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Product sales, Crude oil and condensate sales, related party | Louisiana
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Product sales, Crude oil and condensate sales, related party | Oklahoma
Segment Reporting
Revenue from contracts with customers		0.0	0.1	0.3	0.1
Product sales, Crude oil and condensate sales, related party | North Texas
Segment Reporting
Revenue from contracts with customers		4.0	2.1	7.0	3.6
Product sales, Crude oil and condensate sales, related party | Corporate
Segment Reporting
Revenue from contracts with customers		(4.0)	(2.2)	(7.3)	(3.7)
Midstream services
Segment Reporting
Revenue from contracts with customers		225.6	209.3	440.6	418.2
Midstream services | Permian
Segment Reporting
Revenue from contracts with customers		36.0	22.0	61.9	43.6
Midstream services | Louisiana
Segment Reporting
Revenue from contracts with customers		44.0	44.0	94.5	92.7
Midstream services | Oklahoma
Segment Reporting
Revenue from contracts with customers		76.6	77.6	148.5	148.3
Midstream services | North Texas
Segment Reporting
Revenue from contracts with customers		69.0	65.7	135.7	133.6
Midstream services | Corporate
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Midstream services, Gathering and transportation
Segment Reporting
Revenue from contracts with customers		120.9	112.3	232.3	229.5
Midstream services, Gathering and transportation | Permian
Segment Reporting
Revenue from contracts with customers		19.9	11.8	33.5	21.5
Midstream services, Gathering and transportation | Louisiana
Segment Reporting
Revenue from contracts with customers		15.7	16.4	32.0	32.2
Midstream services, Gathering and transportation | Oklahoma
Segment Reporting
Revenue from contracts with customers		44.7	45.9	87.4	97.2
Midstream services, Gathering and transportation | North Texas
Segment Reporting
Revenue from contracts with customers		40.6	38.2	79.4	78.6
Midstream services, Gathering and transportation | Corporate
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Midstream services, Processing
Segment Reporting
Revenue from contracts with customers		66.7	61.6	128.0	113.3
Midstream services, Processing | Permian
Segment Reporting
Revenue from contracts with customers		9.9	6.0	17.7	14.2
Midstream services, Processing | Louisiana
Segment Reporting
Revenue from contracts with customers		0.3	0.5	0.8	1.0
Midstream services, Processing | Oklahoma
Segment Reporting
Revenue from contracts with customers		28.6	28.1	54.0	44.0
Midstream services, Processing | North Texas
Segment Reporting
Revenue from contracts with customers		27.9	27.0	55.5	54.1
Midstream services, Processing | Corporate
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Midstream services, NGL services
Segment Reporting
Revenue from contracts with customers		18.5	17.2	42.4	39.3
Midstream services, NGL services | Permian
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Midstream services, NGL services | Louisiana
Segment Reporting
Revenue from contracts with customers		18.4	17.1	42.3	39.1
Midstream services, NGL services | Oklahoma
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Midstream services, NGL services | North Texas
Segment Reporting
Revenue from contracts with customers		0.1	0.1	0.1	0.2
Midstream services, NGL services | Corporate
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Midstream services, Crude services
Segment Reporting
Revenue from contracts with customers		18.6	17.2	36.2	34.1
Midstream services, Crude services | Permian
Segment Reporting
Revenue from contracts with customers		6.0	4.0	10.3	7.5
Midstream services, Crude services | Louisiana
Segment Reporting
Revenue from contracts with customers		9.2	9.6	18.6	19.5
Midstream services, Crude services | Oklahoma
Segment Reporting
Revenue from contracts with customers		3.2	3.4	6.9	6.7
Midstream services, Crude services | North Texas
Segment Reporting
Revenue from contracts with customers		0.2	0.2	0.4	0.4
Midstream services, Crude services | Corporate
Segment Reporting
Revenue from contracts with customers		0.0	0.0	0.0	0.0
Midstream services, Other services
Segment Reporting
Revenue from contracts with customers		0.9	1.0	1.7	2.0
Midstream services, Other services | Permian
Segment Reporting
Revenue from contracts with customers		0.2	0.2	0.4	0.4
Midstream services, Other services | Louisiana
Segment Reporting
Revenue from contracts with customers		0.4	0.4	0.8	0.9
Midstream services, Other services | Oklahoma
Segment Reporting
Revenue from contracts with customers		0.1	0.2	0.2	0.4
Midstream services, Other services | North Texas
Segment Reporting
Revenue from contracts with customers		0.2	0.2	0.3	0.3
Midstream services, Other services | Corporate
Segment Reporting
Revenue from contracts with customers		0.0	$ 0.0	0.0	0.0
Midstream services—related parties
Segment Reporting
Revenue from contracts with customers		0.0		0.0	0.0
Midstream services—related parties | Permian
Segment Reporting
Revenue from contracts with customers		0.0		0.0	0.0
Midstream services—related parties | Louisiana
Segment Reporting
Revenue from contracts with customers		0.0		0.1	2.3
Midstream services—related parties | Oklahoma
Segment Reporting
Revenue from contracts with customers		0.1		0.1	0.1
Midstream services—related parties | North Texas
Segment Reporting
Revenue from contracts with customers		0.0		0.0	0.0
Midstream services—related parties | Corporate
Segment Reporting
Revenue from contracts with customers		(0.1)		(0.2)	(2.4)
Midstream services, Crude services, related party
Segment Reporting
Revenue from contracts with customers		0.0		0.0	0.0
Midstream services, Crude services, related party | Permian
Segment Reporting
Revenue from contracts with customers		0.0		0.0	0.0
Midstream services, Crude services, related party | Louisiana
Segment Reporting
Revenue from contracts with customers		0.0		0.0	0.0
Midstream services, Crude services, related party | Oklahoma
Segment Reporting
Revenue from contracts with customers		0.1		0.1	0.1
Midstream services, Crude services, related party | North Texas
Segment Reporting
Revenue from contracts with customers		0.0		0.0	0.0
Midstream services, Crude services, related party | Corporate
Segment Reporting
Revenue from contracts with customers		$ (0.1)		(0.1)	(0.1)
Midstream services, Other services, related party
Segment Reporting
Revenue from contracts with customers				0.0	0.0
Midstream services, Other services, related party | Permian
Segment Reporting
Revenue from contracts with customers				0.0	0.0
Midstream services, Other services, related party | Louisiana
Segment Reporting
Revenue from contracts with customers				0.1	2.3
Midstream services, Other services, related party | Oklahoma
Segment Reporting
Revenue from contracts with customers				0.0	0.0
Midstream services, Other services, related party | North Texas
Segment Reporting
Revenue from contracts with customers				0.0	0.0
Midstream services, Other services, related party | Corporate
Segment Reporting
Revenue from contracts with customers				$ (0.1)	$ (2.3)

[1] Includes related party cost of sales of $9.1 million and $3.6 million for the three months ended June 30, 2022 and 2021, respectively, and $19.7 million and $6.8 million for the six months ended June 30, 2022 and 2021, respectively.