Call Premium On Debt Redemption

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- Definition

Consolidated EBITDA to consolidated interest expense (as defined in the Credit Agreement)

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No definition available.

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- Definition

Consolidated Leverage Ratio Maximum.

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No definition available.

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- Definition

Debt Instrument, Fair Value Adjustment

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No definition available.

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- Definition

Debt Instrument, Imputed Interest

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No definition available.

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- Definition

Interest Coverage Ratio, Minimum

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No definition available.

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- Definition

Senior Secured Leverage Ratio

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No definition available.

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- Definition

Senior Secured Leverage Ratio, maximum

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No definition available.

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- Definition

Total funded debt to consolidated EBITDA (as defined in the Credit Agreement)

+ References

No definition available.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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No definition available.

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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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- Definition

Weighted average interest rate of debt outstanding.

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No definition available.

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- Definition

Nominal or face amount used to calculate payments on the derivative asset.

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- Definition

High end of the range of fixed interest rates when a range is presented for a group of interest rate derivatives.

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No definition available.

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Low end of the range of fixed interest rates when a range is presented for a group of interest rate derivatives.

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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

The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

Gain (loss) incurred in hedging activities.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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The amount of cash paid for interest during the period.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of the fee for available but unused credit capacity under the credit facility.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Weighted average interest rate of long-term debt outstanding.

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No definition available.

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Number of interest rate derivative instruments held by the entity at the reporting date.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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No definition available.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Long-Term Debt (Narrative) (Detail)																9 Months Ended	12 Months Ended
Long-Term Debt (Narrative) (Detail)	Nov. 13, 2015 USD ($)	Sep. 30, 2015 USD ($)	Aug. 14, 2015 USD ($)	May. 15, 2015 USD ($)	Apr. 08, 2015 USD ($)	Feb. 13, 2015 USD ($)	Nov. 14, 2014 USD ($)	Aug. 14, 2014 USD ($)	May. 15, 2014 USD ($)	Feb. 14, 2014 USD ($)	Nov. 14, 2013 USD ($)	Aug. 14, 2013 USD ($)	Aug. 09, 2013 USD ($)	May. 10, 2013 USD ($)	Feb. 12, 2013 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Feb. 28, 2015 USD ($) swap
Debt Instrument [Line Items]
Distribution Made to Limited Partner, Cash Distributions Paid	$ 94,300,000		$ 25,700,000	$ 25,700,000		$ 25,800,000	$ 25,600,000	$ 25,600,000	$ 25,700,000	$ 25,600,000	$ 25,000,000	$ 22,300,000					$ 171,500,000	$ 102,500,000	$ 47,300,000
Gains (Losses) on Extinguishment of Debt																	(20,000,000)	0	0
Gain (Loss) on Hedging Activity																	500,000	2,700,000	1,700,000
Carrying amount																	500,000,000
Early Repayment of Senior Debt																	(13,600,000)	0	0
Crestwood Equity Partners LP
Debt Instrument [Line Items]
Distribution Made to Limited Partner, Cash Distributions Paid		$ 378,300,000														$ 378,300,000
CMLP
Debt Instrument [Line Items]
Distribution Made to Limited Partner, Cash Distributions Paid			$ 74,300,000	$ 74,300,000		$ 74,300,000	$ 74,100,000	$ 74,100,000	$ 74,200,000	$ 74,100,000	$ 69,500,000	$ 34,300,000	$ 27,400,000	$ 27,400,000	$ 21,000,000		222,900,000	296,500,000	179,600,000
Gains (Losses) on Extinguishment of Debt																	(18,900,000)	0	0
Carrying amount																		500,000,000
Early Repayment of Senior Debt																	$ 13,600,000	0	$ 0
Interest Rate Swap, Maturing 2016
Debt Instrument [Line Items]
Fixed rate, range low end																	0.84%
Fixed rate, range high end																	2.35%
Senior Notes, 2019
Debt Instrument [Line Items]
Gains (Losses) on Extinguishment of Debt																	$ (17,100,000)
CMLP
Debt Instrument [Line Items]
Carrying amount																	0	350,000,000
Crestwood Midstream 2019 Senior Notes \| CMLP
Debt Instrument [Line Items]
Carrying amount																	0	351,000,000
Revolving Loan Facility \| CMLP
Debt Instrument [Line Items]
Credit agreement outstanding carrying value																	1,500,000,000	1,000,000,000
Crestwood Midstream 2020 Senior Notes
Debt Instrument [Line Items]
Fair value adjustment																	3,300,000	4,000,000
Crestwood Midstream 2020 Senior Notes \| CMLP
Debt Instrument [Line Items]
Carrying amount																	503,300,000	504,000,000
Crestwood Midstream 2022 senior unsecured notes \| CMLP
Debt Instrument [Line Items]
Carrying amount																		600,000,000
CEQP Credit Facility
Debt Instrument [Line Items]
Gains (Losses) on Extinguishment of Debt		900,000															200,000
Crestwood Midstream Revolver
Debt Instrument [Line Items]
Gains (Losses) on Extinguishment of Debt																$ 1,800,000
Senior Notes, 2023 \| Crestwood Midstream 2019 Senior Notes
Debt Instrument [Line Items]
Long-term Debt																	$ 700,000,000
Interest rate, stated percentage																	6.25%
Senior Notes, 2023 \| Crestwood Midstream 2019 Senior Notes \| CMLP
Debt Instrument [Line Items]
Proceeds from Issuance of Debt																	$ 688,300,000
Senior Notes, 2023 \| Crestwood Midstream 2022 senior unsecured notes \| CMLP
Debt Instrument [Line Items]
Carrying amount																	700,000,000	0
Crestwood Midstream Credit Facility
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity																	350,000,000
Crestwood Midstream Credit Facility \| Minimum
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Amount																	0.0030
Crestwood Midstream Credit Facility \| Maximum
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Amount																	$ 0.0050
Senior Notes, 2022 \| Crestwood Midstream 2019 Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage																	6.125%
Senior Notes, 2022 \| Crestwood Midstream 2019 Senior Notes \| CMLP
Debt Instrument [Line Items]
Long-term Debt																	$ 600,000,000
Senior Notes, 2022 \| Crestwood Midstream 2022 senior unsecured notes \| CMLP
Debt Instrument [Line Items]
Carrying amount																	$ 600,000,000
Crestwood Midstream Revolver
Debt Instrument [Line Items]
Consolidated leverage ratio, maximum																	5.50
Crestwood Midstream Revolver \| Revolving Credit Facility
Debt Instrument [Line Items]
Credit agreement outstanding carrying value																	$ 735,000,000	555,000,000
Letters of credit outstanding																	$ 62,200,000	$ 15,100,000
Total funded debt to consolidated EBITDA																	4.75
Consolidated EBITDA to consolidated interest expense																	3.99
Senior Secured Leverage Ratio																	1.37
Weighted average interest rate																	2.70%	2.86%
Unused borrowing capacity																	$ 399,000,000
Interest coverage ratio, minimum																	2.50
Senior Secured Leverage Ratio, maximum																	3.75
Crestwood Midstream Revolver \| Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate																	2.70%	2.66%
Crestwood Midstream Revolver \| Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate																	5.00%	4.75%
Crestwood Midstream Revolver \| Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Proceeds from Issuance of Debt		$ 720,000,000			$ 315,000,000
Crestwood Midstream Revolver \| Bridge Loan
Debt Instrument [Line Items]
Credit agreement outstanding carrying value																	$ 25,000,000
Senior Notes, 2019 \| Crestwood Midstream 2019 Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage																	7.75%
Early Repayment of Senior Debt					364,100,000
Interest Paid					500,000
Call Premium On Debt Redemption					$ 13,600,000
Senior Notes, 2019 \| Crestwood Midstream 2019 Senior Notes \| CMLP
Debt Instrument [Line Items]
Long-term Debt																	$ 350,000,000
Senior Notes, 2020 \| Crestwood Midstream 2019 Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage																	6.00%
Senior Notes, 2020 \| Crestwood Midstream 2019 Senior Notes \| CMLP
Debt Instrument [Line Items]
Long-term Debt																	$ 500,000,000
CEQP Credit Facility \| Interest Rate Swap [Member]
Debt Instrument [Line Items]
Number of interest rate derivatives held \| swap																				5
Aggregate notional amount, cash flow hedges																				$ 175,000,000
CEQP Credit Facility \| Revolving Credit Facility \| Credit Agreement
Debt Instrument [Line Items]
Letters of credit outstanding																		$ 56,700,000
CEQP Credit Facility \| Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate																		2.91%
CEQP Credit Facility \| Revolving Credit Facility \| Minimum \| London Interbank Offered Rate
Debt Instrument [Line Items]
Weighted average interest rate																		3.02%
CEQP Credit Facility \| Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate																		5.00%
CEQP Credit Facility \| Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Credit agreement outstanding carrying value																	0	$ 369,000,000
CEQP Credit Facility \| Revolving Credit Facility \| Line of Credit \| Amended and Restated
Debt Instrument [Line Items]
Credit agreement outstanding carrying value																	495,000,000
Obligations Under Noncompetition Agreements And Notes To Former Owners Of Businesses Acquired \| Crestwood Equity Partners LP
Debt Instrument [Line Items]
Total payments due																	6,800,000	7,400,000
Obligations under noncompete agreements, unamortized discount																	1,300,000
Obligations Under Noncompetition Agreements And Notes To Former Owners Of Businesses Acquired \| CMLP
Debt Instrument [Line Items]
Total payments due																	6,600,000	6,500,000
Obligations under noncompete agreements, unamortized discount																	$ 1,300,000	$ 1,200,000
Obligations Under Noncompetition Agreements And Notes To Former Owners Of Businesses Acquired \| Minimum \| Crestwood Equity Partners LP
Debt Instrument [Line Items]
Inputed interest																	5.02%
Obligations Under Noncompetition Agreements And Notes To Former Owners Of Businesses Acquired \| Minimum \| CMLP
Debt Instrument [Line Items]
Inputed interest																	5.02%
Obligations Under Noncompetition Agreements And Notes To Former Owners Of Businesses Acquired \| Maximum \| Crestwood Equity Partners LP
Debt Instrument [Line Items]
Inputed interest																	8.00%
Obligations Under Noncompetition Agreements And Notes To Former Owners Of Businesses Acquired \| Maximum \| CMLP
Debt Instrument [Line Items]
Inputed interest																	8.00%
Federal Funds Rate \| Revolving Credit Facility \| Crestwood Midstream Revolver
Debt Instrument [Line Items]
Variable interest rate																	0.50%
Eurodollar [Member] \| Revolving Credit Facility \| Crestwood Midstream Credit Facility \| Minimum
Debt Instrument [Line Items]
Variable interest rate																	1.75%
Eurodollar [Member] \| Revolving Credit Facility \| Crestwood Midstream Credit Facility \| Maximum
Debt Instrument [Line Items]
Variable interest rate																	2.75%
Eurodollar [Member] \| Revolving Credit Facility \| Crestwood Midstream Revolver
Debt Instrument [Line Items]
Variable interest rate																	1.00%
Eurodollar [Member] \| Revolving Credit Facility \| Crestwood Midstream Revolver \| Minimum
Debt Instrument [Line Items]
Variable interest rate																	0.75%
Eurodollar [Member] \| Revolving Credit Facility \| Crestwood Midstream Revolver \| Maximum
Debt Instrument [Line Items]
Variable interest rate																	1.75%
Tres Palacios Holdings LLC
Debt Instrument [Line Items]
Equity method ownership percentage																	50.01%
Tres Palacios Holdings LLC \| CMLP
Debt Instrument [Line Items]
Equity method ownership percentage																	50.01%
Financial Guarantee [Member]
Debt Instrument [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted																	$ 497,000,000
Interest rate, stated percentage																	7.50%