v2.4.0.6
Document and Entity Information
9 Months Ended
Sep. 30, 2011
Document and Entity Information [Abstract]  
Entity Registrant Name MEDIACOM LLC
Entity Central Index Key 0001064116
Document Type 10-Q
Document Period End Date Sep. 30, 2011
Amendment Flag false
Document Fiscal Year Focus 2011
Document Fiscal Period Focus Q3
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Filer Category Non-accelerated Filer