Segment Information - Financial Information and Assets (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenue from contracts with customers		$ 6,845.0	$ 3,915.8	$ 6,038.5
Cost of sales, exclusive of operating expenses and depreciation and amortization	[1]	(5,189.9)	(2,388.5)	(4,392.5)
Realized gain (loss) on derivatives		(146.7)	(11.5)	14.5
Change in fair value of derivatives		(12.4)	(10.5)	(0.1)
Adjusted gross margin		1,496.0	1,505.3	1,660.4
Operating expenses		(362.9)	(373.8)	(467.1)
Segment profit		1,133.1	1,131.5	1,193.3
Depreciation and amortization		(607.5)	(638.6)	(617.0)
Impairments		(0.8)	(362.8)	(1,133.5)
Gain (loss) on disposition of assets		1.5	(8.8)	1.9
General and administrative		(107.8)	(103.3)	(152.6)
Loss on secured term loan receivable		0.0	0.0	(52.9)
Interest expense, net of interest income		(238.7)	(223.3)	(216.0)
Gain on extinguishment of debt		0.0	32.0	0.0
Income (loss) from unconsolidated affiliates		(11.5)	0.6	(16.8)
Other income		0.0	0.3	0.9
Income (loss) before non-controlling interest and income taxes		168.3	(172.4)	(992.7)
Related parties amount in cost of sales		17.9	8.7	21.7
Capital expenditures		196.0	262.6	748.4
Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		2,390.6	1,106.5	2,542.3
Cost of sales, exclusive of operating expenses and depreciation and amortization		(1,996.1)	(842.2)	(2,283.9)
Realized gain (loss) on derivatives		(75.6)	(1.1)	9.4
Change in fair value of derivatives		(7.7)	1.1	1.5
Adjusted gross margin		311.2	264.3	269.3
Operating expenses		(81.5)	(94.2)	(112.9)
Segment profit		229.7	170.1	156.4
Depreciation and amortization		(139.9)	(125.2)	(119.8)
Impairments		0.0	(184.6)	(3.5)
Gain (loss) on disposition of assets		0.0	(11.2)	(0.3)
General and administrative		0.0	0.0	0.0
Loss on secured term loan receivable				0.0
Interest expense, net of interest income		0.0	0.0	0.0
Gain on extinguishment of debt			0.0
Income (loss) from unconsolidated affiliates		0.0	0.0	0.0
Other income			0.0	0.0
Income (loss) before non-controlling interest and income taxes		89.8	(150.9)	32.8
Capital expenditures		141.6	181.1	364.5
Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		4,581.4	2,205.1	2,622.8
Cost of sales, exclusive of operating expenses and depreciation and amortization		(4,091.2)	(1,787.0)	(2,181.6)
Realized gain (loss) on derivatives		(42.3)	(6.0)	5.1
Change in fair value of derivatives		0.7	(6.5)	(1.8)
Adjusted gross margin		448.6	405.6	444.5
Operating expenses		(123.7)	(120.0)	(147.3)
Segment profit		324.9	285.6	297.2
Depreciation and amortization		(141.0)	(145.8)	(154.1)
Impairments		(0.6)	(170.0)	(188.7)
Gain (loss) on disposition of assets		1.2	0.1	2.6
General and administrative		0.0	0.0	0.0
Loss on secured term loan receivable				0.0
Interest expense, net of interest income		0.0	0.0	0.0
Gain on extinguishment of debt			0.0
Income (loss) from unconsolidated affiliates		0.0	0.0	0.0
Other income			0.0	0.0
Income (loss) before non-controlling interest and income taxes		184.5	(30.1)	(43.0)
Capital expenditures		9.3	44.6	99.9
Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		1,226.8	862.0	1,181.1
Cost of sales, exclusive of operating expenses and depreciation and amortization		(796.6)	(365.5)	(627.0)
Realized gain (loss) on derivatives		(22.6)	(4.4)	0.0
Change in fair value of derivatives		0.0	(4.5)	0.0
Adjusted gross margin		407.6	487.6	554.1
Operating expenses		(80.0)	(82.2)	(104.0)
Segment profit		327.6	405.4	450.1
Depreciation and amortization		(204.3)	(216.9)	(194.9)
Impairments		0.0	(0.7)	(813.5)
Gain (loss) on disposition of assets		0.0	0.3	0.1
General and administrative		0.0	0.0	0.0
Loss on secured term loan receivable				0.0
Interest expense, net of interest income		0.0	0.0	0.0
Gain on extinguishment of debt			0.0
Income (loss) from unconsolidated affiliates		0.0	0.0	0.0
Other income			0.0	0.0
Income (loss) before non-controlling interest and income taxes		123.3	188.1	(558.2)
Capital expenditures		30.4	17.9	238.1
North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		872.0	502.2	601.1
Cost of sales, exclusive of operating expenses and depreciation and amortization		(531.8)	(153.8)	(208.8)
Realized gain (loss) on derivatives		(6.2)	0.0	0.0
Change in fair value of derivatives		(5.4)	(0.6)	0.2
Adjusted gross margin		328.6	347.8	392.5
Operating expenses		(77.7)	(77.4)	(102.9)
Segment profit		250.9	270.4	289.6
Depreciation and amortization		(114.3)	(143.4)	(139.8)
Impairments		0.0	0.0	(127.8)
Gain (loss) on disposition of assets		0.3	2.0	(0.5)
General and administrative		0.0	0.0	0.0
Loss on secured term loan receivable				0.0
Interest expense, net of interest income		0.0	0.0	0.0
Gain on extinguishment of debt			0.0
Income (loss) from unconsolidated affiliates		0.0	0.0	0.0
Other income			0.0	0.0
Income (loss) before non-controlling interest and income taxes		136.9	129.0	21.5
Capital expenditures		11.9	16.9	39.0
Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		(2,225.8)	(760.0)	(908.8)
Cost of sales, exclusive of operating expenses and depreciation and amortization		2,225.8	760.0	908.8
Realized gain (loss) on derivatives		0.0	0.0	0.0
Change in fair value of derivatives		0.0	0.0	0.0
Adjusted gross margin		0.0	0.0	0.0
Operating expenses		0.0	0.0	0.0
Segment profit		0.0	0.0	0.0
Depreciation and amortization		(8.0)	(7.3)	(8.4)
Impairments		(0.2)	(7.5)	0.0
Gain (loss) on disposition of assets		0.0	0.0	0.0
General and administrative		(107.8)	(103.3)	(152.6)
Loss on secured term loan receivable				(52.9)
Interest expense, net of interest income		(238.7)	(223.3)	(216.0)
Gain on extinguishment of debt			32.0
Income (loss) from unconsolidated affiliates		(11.5)	0.6	(16.8)
Other income			0.3	0.9
Income (loss) before non-controlling interest and income taxes		(366.2)	(308.5)	(445.8)
Capital expenditures		2.8	2.1	6.9
Product sales
Segment Reporting Information [Line Items]
Revenue from contracts with customers		5,994.0	2,977.5	5,030.1
Product sales | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		1,287.7	708.4	2,070.2
Product sales | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		4,258.6	2,002.6	2,434.1
Product sales | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		296.6	196.2	365.6
Product sales | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		151.1	70.3	160.2
Product sales | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Natural gas sales
Segment Reporting Information [Line Items]
Revenue from contracts with customers		1,666.3	704.0	876.6
Natural gas sales | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		609.4	150.1	94.3
Natural gas sales | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		693.5	330.5	416.6
Natural gas sales | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		213.4	153.1	236.4
Natural gas sales | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		150.0	70.3	129.3
Natural gas sales | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
NGL sales
Segment Reporting Information [Line Items]
Revenue from contracts with customers		3,357.1	1,548.4	1,777.0
NGL sales | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.9	0.2	0.9
NGL sales | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		3,353.1	1,545.4	1,725.6
NGL sales | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		2.0	2.8	19.6
NGL sales | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		1.1	0.0	30.9
NGL sales | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Crude oil and condensate sales
Segment Reporting Information [Line Items]
Revenue from contracts with customers		970.6	725.1	2,376.5
Crude oil and condensate sales | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		677.4	558.1	1,975.0
Crude oil and condensate sales | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		212.0	126.7	291.9
Crude oil and condensate sales | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		81.2	40.3	109.6
Crude oil and condensate sales | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Crude oil and condensate sales | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Product sales—related parties
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Product sales—related parties | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		1,008.4	313.2	361.6
Product sales—related parties | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		129.7	31.4	27.4
Product sales—related parties | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		630.9	296.3	421.1
Product sales—related parties | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		454.1	118.8	100.3
Product sales—related parties | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		(2,223.1)	(759.7)	(910.4)
Natural gas sales—related parties
Segment Reporting Information [Line Items]
Revenue from contracts with customers				0.0
Natural gas sales—related parties | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers				0.4
Natural gas sales—related parties | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers				0.0
Natural gas sales—related parties | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers				0.0
Natural gas sales—related parties | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers				0.0
Natural gas sales—related parties | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers				(0.4)
NGL sales—related parties
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
NGL sales—related parties | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		1,008.4	312.6	347.7
NGL sales—related parties | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		129.7	31.4	25.7
NGL sales—related parties | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		630.8	296.4	421.1
NGL sales—related parties | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		447.0	115.2	94.8
NGL sales—related parties | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		(2,215.9)	(755.6)	(889.3)
Crude oil and condensate sales—related parties
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Crude oil and condensate sales—related parties | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.6	13.5
Crude oil and condensate sales—related parties | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	1.7
Crude oil and condensate sales—related parties | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.1	(0.1)	0.0
Crude oil and condensate sales—related parties | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		7.1	3.6	5.5
Crude oil and condensate sales—related parties | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		(7.2)	(4.1)	(20.7)
Midstream services
Segment Reporting Information [Line Items]
Revenue from contracts with customers		851.0	938.3	1,008.4
Midstream services | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		94.5	84.9	110.5
Midstream services | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		190.7	171.1	164.7
Midstream services | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		299.0	369.2	392.6
Midstream services | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		266.8	313.1	340.6
Midstream services | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Gathering and transportation
Segment Reporting Information [Line Items]
Revenue from contracts with customers		455.4	497.2	538.0
Gathering and transportation | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		46.8	42.8	48.8
Gathering and transportation | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		64.7	46.5	58.3
Gathering and transportation | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		186.9	228.7	234.5
Gathering and transportation | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		157.0	179.2	196.4
Gathering and transportation | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Processing
Segment Reporting Information [Line Items]
Revenue from contracts with customers		238.5	282.3	314.9
Processing | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		29.1	24.1	30.5
Processing | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		2.4	2.0	3.2
Processing | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		98.7	123.6	138.2
Processing | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		108.3	132.6	143.0
Processing | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
NGL services
Segment Reporting Information [Line Items]
Revenue from contracts with customers		82.9	76.0	50.7
NGL services | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
NGL services | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		82.6	75.8	50.6
NGL services | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
NGL services | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.3	0.2	0.1
NGL services | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Crude services
Segment Reporting Information [Line Items]
Revenue from contracts with customers		71.2	78.7	90.9
Crude services | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		18.4	16.8	19.2
Crude services | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		39.3	45.2	51.9
Crude services | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		12.8	16.5	19.8
Crude services | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.7	0.2	0.0
Crude services | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Other services
Segment Reporting Information [Line Items]
Revenue from contracts with customers		3.0	4.1	13.9
Other services | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.2	1.2	12.0
Other services | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		1.7	1.6	0.7
Other services | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.6	0.4	0.1
Other services | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.5	0.9	1.1
Other services | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Midstream services—related parties
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Midstream services—related parties | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Midstream services—related parties | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		2.4	0.0	(3.4)
Midstream services—related parties | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.3	0.3	1.8
Midstream services—related parties | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Midstream services—related parties | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		(2.7)	(0.3)	1.6
NGL services—related parties
Segment Reporting Information [Line Items]
Revenue from contracts with customers				0.0
NGL services—related parties | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers				0.0
NGL services—related parties | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers				(3.4)
NGL services—related parties | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers				0.0
NGL services—related parties | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers				0.0
NGL services—related parties | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers				3.4
Crude services—related parties
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Crude services—related parties | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Crude services—related parties | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Crude services—related parties | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.3	0.3	1.8
Crude services—related parties | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0	0.0	0.0
Crude services—related parties | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		(0.3)	$ (0.3)	$ (1.8)
Other services—related parties
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0
Other services—related parties | Permian
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0
Other services—related parties | Louisiana
Segment Reporting Information [Line Items]
Revenue from contracts with customers		2.4
Other services—related parties | Oklahoma
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0
Other services—related parties | North Texas
Segment Reporting Information [Line Items]
Revenue from contracts with customers		0.0
Other services—related parties | Corporate
Segment Reporting Information [Line Items]
Revenue from contracts with customers		$ (2.4)

[1] Includes related party cost of sales of $17.9 million, $8.7 million, and $21.7 million for the years ended December 31, 2021, 2020, and 2019, respectively.