XML 64 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2019
Feb. 10, 2020
Jun. 28, 2019
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Entity Registrant Name Crestwood Equity Partners LP    
Entity File Number 001-34664    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 43-1918951    
Entity Address, Address Line One 811 Main Street    
Entity Address, Address Line Two Suite 3400    
Entity Address, City or Town Houston    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 77002    
City Area Code 832    
Local Phone Number 519-2200    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 1,800,000,000
Entity Common Stock, Shares Outstanding   72,725,966  
Entity Central Index Key 0001136352    
Current Fiscal Year End Date --12-31    
Document Period End Date Dec. 31, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Amendment Flag false    
Documents Incorporated by Reference [Text Block]
DOCUMENTS INCORPORATED BY REFERENCE
Portions of the following documents are incorporated by reference into the indicated parts of this report:
Crestwood Equity Partners LP
 
None
Crestwood Midstream Partners LP
 
None
Crestwood Midstream Partners LP, as a wholly-owned subsidiary of a reporting company, meets the conditions set forth in General Instruction (I)(1)(a) and (b) of Form 10-K and is therefore filing this report with the reduced disclosure format as permitted by such instruction.
    
CMLP      
Entity Information [Line Items]      
Document Type 10-K    
Entity Registrant Name Crestwood Midstream Partners LP    
Entity File Number 001-35377    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 20-1647837    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 0
Entity Common Stock, Shares Outstanding   0  
Entity Central Index Key 0001304464    
Document Period End Date Dec. 31, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Amendment Flag false    
Common units      
Entity Information [Line Items]      
Title of 12(b) Security Common Units representing limited partnership interests    
Trading Symbol CEQP    
Security Exchange Name NYSE    
Preferred Units      
Entity Information [Line Items]      
Title of 12(b) Security Preferred Units representing limited partner interests    
Trading Symbol CEQP-P    
Security Exchange Name NYSE