Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues:
Revenues	$ 1,566.0	$ 1,226.3	$ 4,597.8	$ 3,188.6
Costs of product/services sold (exclusive of items shown separately below):
Product costs - related party (Note 15)	51.3	34.8	232.9	101.3
Total costs of product/services sold	1,286.8	1,099.3	3,864.4	2,710.3
Operating expenses and other:
Operations and maintenance	55.0	31.6	144.0	90.2
General and administrative	33.9	25.9	103.8	67.4
Depreciation, amortization and accretion	86.9	64.6	242.3	182.6
Loss on long-lived assets, net	175.9	18.5	186.9	19.6
Gain Loss on Acquisition	(75.3)	0.0	(75.3)	0.0
Total expenses	276.4	140.6	601.7	359.8
Operating income (loss)	2.8	(13.6)	131.7	118.5
Earnings (loss) from unconsolidated affiliates, net	3.2	4.9	12.2	(125.9)
Interest and debt expense, net	(47.6)	(30.9)	(123.8)	(102.0)
Gain (Loss) on Extinguishment of Debt	0.0	0.0	0.0	(6.7)
Other income, net	0.0	0.1	0.2	0.2
Loss before income taxes	(41.6)	(39.5)	20.3	(115.9)
Provision for income taxes	(1.4)	(0.1)	(1.7)	(0.1)
Net income (loss)	(43.0)	(39.6)	18.6	(116.0)
Net income attributable to non-controlling partner	10.3	10.3	30.8	30.7
Net income (loss) attributable to parent	(53.3)	(49.9)	(12.2)	(146.7)
Net income attributable to preferred unit holders	15.0	15.0	45.0	45.0
Net loss attributable to partners	$ (68.3)	$ (64.9)	$ (57.2)	$ (191.7)
Net loss per limited partner unit: (Note 12)
Basic (in dollars per share)	$ (0.64)	$ (1.03)	$ (0.59)	$ (2.88)
Diluted (in dollars per share)	$ (0.64)	$ (1.03)	$ (0.59)	$ (2.88)
Weighted-average limited partners’ units outstanding:
Basic (units)	107.1	62.9	97.1	66.6
Diluted (units)	107.1	62.9	97.1	66.6
Affiliated Entity
Costs of product/services sold (exclusive of items shown separately below):
Product costs - related party (Note 15)	$ 51.3	$ 34.8	$ 232.9	$ 101.3
Crestwood Midstream Partners LP
Revenues:
Revenues	1,566.0	1,226.3	4,597.8	3,188.6
Costs of product/services sold (exclusive of items shown separately below):
Product costs - related party (Note 15)	51.3	34.8	232.9	101.3
Total costs of product/services sold	1,286.8	1,099.3	3,864.4	2,710.3
Operating expenses and other:
Operations and maintenance	55.0	31.6	144.0	90.2
General and administrative	32.3	24.4	99.0	61.3
Depreciation, amortization and accretion	86.8	68.2	248.0	193.2
Loss on long-lived assets, net	247.6	18.5	311.9	19.6
Gain Loss on Acquisition	(75.3)	0.0	(75.3)	0.0
Total expenses	346.4	142.7	727.6	364.3
Operating income (loss)	(67.2)	(15.7)	5.8	114.0
Earnings (loss) from unconsolidated affiliates, net	3.2	4.9	12.2	(125.9)
Interest and debt expense, net	(47.6)	(30.9)	(123.8)	(102.0)
Gain (Loss) on Extinguishment of Debt	0.0	0.0	0.0	(6.7)
Loss before income taxes	(111.6)	(41.7)	(105.8)	(120.6)
Provision for income taxes	(1.4)	(0.1)	(1.6)	(0.1)
Net income (loss)	(113.0)	(41.8)	(107.4)	(120.7)
Net income attributable to non-controlling partner	10.3	10.3	30.8	30.7
Net income (loss) attributable to parent	(123.3)	(52.1)	(138.2)	(151.4)
Product
Revenues:
Revenues	1,332.8	1,120.8	3,938.3	2,872.1
Costs of product/services sold (exclusive of items shown separately below):
Costs of product/services sold	1,228.6	1,060.2	3,613.4	2,595.8
Product | Crestwood Midstream Partners LP
Revenues:
Revenues	1,332.8	1,120.8	3,938.3	2,872.1
Costs of product/services sold (exclusive of items shown separately below):
Costs of product/services sold	1,228.6	1,060.2	3,613.4	2,595.8
Service
Revenues:
Revenues	92.4	98.4	286.8	291.3
Costs of product/services sold (exclusive of items shown separately below):
Costs of product/services sold	6.9	4.3	18.1	13.2
Service | Crestwood Midstream Partners LP
Revenues:
Revenues	92.4	98.4	286.8	291.3
Costs of product/services sold (exclusive of items shown separately below):
Costs of product/services sold	6.9	4.3	18.1	13.2
Product, Related Party
Revenues:
Revenues	83.2	6.5	222.7	24.2
Product, Related Party | Crestwood Midstream Partners LP
Revenues:
Revenues	83.2	6.5	222.7	24.2
Service, Related Party
Revenues:
Revenues	57.6	0.6	150.0	1.0
Service, Related Party | Crestwood Midstream Partners LP
Revenues:
Revenues	$ 57.6	$ 0.6	$ 150.0	$ 1.0