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No definition available.

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- Definition

Amount of cash distribution paid to unit-holder of limited partnership (LP).

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- Definition

Date of record for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

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- Definition

Date of distribution for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

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- Definition

Per unit of ownership amount of cash distributions declared to unit-holder of a limited partnership (LP).

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of paid and unpaid paid-in-kind dividends (PIK) declared for classes of stock, for example, but not limited to, common and preferred.

+ References

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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- Definition

Total distributions to each class of partners (i.e., general, limited and preferred partners).

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- Definition

Cash outflow to owners or shareholders, excluding ordinary dividends. Includes special dividends.

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Amount of cash outflow in the form of ordinary dividends provided by the non-wholly owned subsidiary to noncontrolling interests.

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- Definition

Number of shares of preferred stock issued as dividends during the period. Excludes stock splits.

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The number of preferred units issued.

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Partners' Capital (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions																1 Months Ended	3 Months Ended		9 Months Ended
	Nov. 14, 2017	Nov. 07, 2017	Oct. 19, 2017	Aug. 14, 2017	Aug. 07, 2017	May 15, 2017	May 08, 2017	Feb. 14, 2017	Feb. 07, 2017	May 13, 2016	May 06, 2016	Feb. 12, 2016	Feb. 05, 2016	Aug. 14, 2015	Aug. 07, 2015	Oct. 31, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Distribution Made to Limited Partner [Line Items]
Distribution Made to Limited Partner, Distribution Date				Aug. 14, 2017		May 15, 2017		Feb. 14, 2017		May 13, 2016		Feb. 12, 2016		Aug. 12, 2016
Distribution Made to Limited Partner, Date of Record					Aug. 07, 2017		May 08, 2017		Feb. 07, 2017		May 06, 2016		Feb. 05, 2016		Aug. 05, 2016
Incentive Distribution, Distribution																			$ 125.4	$ 178.4
Preferred Stock Dividends, Shares																			4,724,030	4,311,143
Net Income (Loss) Attributable to Noncontrolling Interest																	$ (6.4)	$ (6.1)	$ (18.8)	$ (18.0)
Dividends, Paid-in-kind																			43.1	39.3
Payments of Ordinary Dividends, Noncontrolling Interest																			11.4	11.4
Distribution Made to Limited Partner, Cash Distributions Paid				$ 41.8		$ 41.8		$ 41.8		$ 41.4		$ 95.6		$ 41.4					$ 125.4	178.4
Preferred Units, Issued																	71,257,445		71,257,445		66,533,415
Crestwood Midstream Partners LP
Distribution Made to Limited Partner [Line Items]
Net Income (Loss) Attributable to Noncontrolling Interest																	$ (6.4)	(6.1)	$ (18.8)	(18.0)
Partners' Capital Account, Distributions																			130.9	196.4
Distribution Made to General Partner, Cash Distributions Paid																			119.5	185.0
Crestwood Niobrara LLC
Distribution Made to Limited Partner [Line Items]
Net Income (Loss) Attributable to Noncontrolling Interest																	$ 6.4	$ 6.1	18.8	18.0
Payments of Ordinary Dividends, Noncontrolling Interest																			11.4	$ 11.4
Non-Controlling Partners
Distribution Made to Limited Partner [Line Items]
Net Income (Loss) Attributable to Noncontrolling Interest																			(18.8)
Partners' Capital Account, Distributions																			11.4
Non-Controlling Partners \| Crestwood Midstream Partners LP
Distribution Made to Limited Partner [Line Items]
Partners' Capital Account, Distributions																			$ 11.4
Subsequent Event
Distribution Made to Limited Partner [Line Items]
Distribution Made to Limited Partner, Distribution Date	Nov. 14, 2017
Distribution Made to Limited Partner, Date of Record		Nov. 07, 2017
Subsequent Event \| Crestwood Niobrara LLC
Distribution Made to Limited Partner [Line Items]
Payments of Ordinary Dividends, Noncontrolling Interest																$ 3.8
Cash Distribution \| Subsequent Event
Distribution Made to Limited Partner [Line Items]
Distribution Made to Limited Partner, Distributions Declared, Per Unit			$ 0.6
Preferred Partner \| Subsequent Event
Distribution Made to Limited Partner [Line Items]
Partners' Capital Account, Distributions			$ 15.0