Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues:
Gathering and processing	$ 206.1	$ 275.3	$ 567.7	$ 799.5
Marketing, supply and logistics	271.3	179.3	735.2	653.0
Total product revenues	477.4	454.6	1,302.9	1,452.5
Gathering and processing	72.5	79.4	217.9	250.2
Storage and transportation	18.3	65.0	131.5	201.1
Marketing, supply and logistics	18.7	30.8	71.1	96.9
Related party (Note 13)	0.7	0.9	2.1	3.0
Total services revenues	110.2	176.1	422.6	551.2
Total revenues	587.6	630.7	1,725.5	2,003.7
Costs of product/services sold (exclusive of items shown separately below):
Gathering and processing	221.1	275.4	618.4	818.9
Marketing, supply and logistics	229.1	149.2	605.1	538.5
Related party (Note 11)	5.0	7.2	13.7	23.2
Total product costs	455.2	431.8	1,237.2	1,380.6
Gathering and processing	0.0	0.2	0.1	0.5
Storage and transportation	0.1	5.2	4.9	15.8
Marketing, supply and logistics	11.4	12.0	37.9	41.5
Total service costs	11.5	17.4	42.9	57.8
Total costs of products/services sold	466.7	449.2	1,280.1	1,438.4
Expenses:
Operations and maintenance	33.1	49.3	119.9	143.8
General and administrative	18.3	32.8	70.2	90.9
Depreciation, amortization and accretion	50.3	75.5	177.0	224.5
Total Expenses	101.7	157.6	367.1	459.2
Loss on long-lived assets, net	(2.1)	(2.3)	(34.8)	(3.9)
Goodwill impairment	0.0	(609.9)	(109.7)	(890.9)
Operating income (loss)	17.1	(588.3)	(66.2)	(788.7)
Earnings from unconsolidated affiliates, net	13.4	2.8	26.1	11.2
Interest and debt expense, net	(27.5)	(35.7)	(97.9)	(104.7)
Gains (Losses) on Extinguishment of Debt	0.0	(2.7)	10.0	(19.8)
Other income, net	0.2	0.2	0.4	0.5
Income (loss) before income taxes	3.2	(623.7)	(127.6)	(901.5)
(Provision) benefit for income taxes	(0.2)	0.3	(0.2)	0.2
Net income (loss)	3.0	(623.4)	(127.8)	(901.3)
Net Income (Loss) Attributable to Noncontrolling Interest	6.1	(396.5)	18.0	(642.7)
Net income (loss) attributable to parent	(3.1)	(226.9)	(145.8)	(258.6)
Net income (loss) attributable to preferred unit holders	6.9	0.0	16.6	0.0
Net loss attributable to partners	(10.0)	(226.9)	(162.4)	(258.6)
Subordinated unitholders' interest in net loss	0.0	(5.4)	0.0	(6.1)
Common unitholders' interest in net loss	$ (10.0)	$ (221.5)	$ (162.4)	$ (252.5)
Net loss per limited partner unit:
Basic (in dollars per share)	$ (0.14)	$ (11.78)	$ (2.35)	$ (13.65)
Diluted (in dollars per share)	$ (0.14)	$ (11.76)	$ (2.35)	$ (13.68)
Weighted-average limited partners’ units outstanding (in thousands):
Basic (units)	69,050	18,834	69,002	18,468
Dilutive units (units)	0	439	0	439
Diluted (units)	69,050	19,273	69,002	18,907
Crestwood Midstream Partners LP
Revenues:
Gathering and processing	$ 206.1	$ 275.3	$ 567.7	$ 799.5
Marketing, supply and logistics	271.3	179.3	735.2	653.0
Total product revenues	477.4	454.6	1,302.9	1,452.5
Gathering and processing	72.5	79.4	217.9	250.2
Storage and transportation	18.3	65.0	131.5	201.1
Marketing, supply and logistics	18.7	30.8	71.1	96.9
Related party (Note 13)	0.7	0.9	2.1	3.0
Total services revenues	110.2	176.1	422.6	551.2
Total revenues	587.6	630.7	1,725.5	2,003.7
Costs of product/services sold (exclusive of items shown separately below):
Gathering and processing	221.1	275.4	618.4	818.9
Marketing, supply and logistics	229.1	149.2	605.1	538.5
Related party (Note 11)	5.0	7.2	13.7	23.2
Total product costs	455.2	431.8	1,237.2	1,380.6
Gathering and processing	0.0	0.2	0.1	0.5
Storage and transportation	0.1	5.2	4.9	15.8
Marketing, supply and logistics	11.4	12.0	37.9	41.5
Total service costs	11.5	17.4	42.9	57.8
Total costs of products/services sold	466.7	449.2	1,280.1	1,438.4
Expenses:
Operations and maintenance	33.6	48.8	116.7	143.3
General and administrative	17.3	29.2	67.5	82.1
Depreciation, amortization and accretion	53.2	70.0	185.2	208.3
Total Expenses	104.1	148.0	369.4	433.7
Loss on long-lived assets, net	(2.1)	(2.3)	(34.8)	(3.8)
Goodwill impairment	0.0	(609.9)	(109.7)	(678.5)
Operating income (loss)	14.7	(578.7)	(68.5)	(550.7)
Earnings from unconsolidated affiliates, net	13.4	2.8	26.1	11.2
Interest and debt expense, net	(27.5)	(32.6)	(97.9)	(95.1)
Gains (Losses) on Extinguishment of Debt	0.0	(1.8)	10.0	(18.9)
Income (loss) before income taxes	0.6	(610.3)	(130.3)	(653.5)
(Provision) benefit for income taxes	0.0	0.1	0.0	(0.4)
Net income (loss)	0.6	(610.2)	(130.3)	(653.9)
Net Income (Loss) Attributable to Noncontrolling Interest	6.1	5.9	18.0	17.2
Net income (loss) attributable to parent	(5.5)	(616.1)	(148.3)	(671.1)
Net income (loss) attributable to preferred unit holders	0.0	6.4	0.0	23.1
Net loss attributable to partners	$ (5.5)	$ (622.5)	$ (148.3)	$ (694.2)