v2.4.0.6
Document and Entity Information
12 Months Ended
Dec. 31, 2011
Document and Entity Information [Abstract]  
Entity Registrant Name MEDIACOM BROADBAND LLC
Entity Central Index Key 0001161364
Document Type 10-K
Document Period End Date Dec. 31, 2011
Amendment Flag false
Document Fiscal Year Focus 2011
Document Fiscal Period Focus FY
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers Yes
Entity Current Reporting Status No
Entity Filer Category Non-accelerated Filer