Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v2.4.0.6
Document and Entity Information
9 Months Ended
Sep. 30, 2012
Oct. 31, 2012
Common Stock - Class A [Member]
Oct. 31, 2012
Common Stock - Class B [Member]
Document Type 10-Q    
Document Period End Date Sep. 30, 2012    
Amendment Flag false    
Entity Registrant Name GENERAL COMMUNICATION INC    
Entity Central Index Key 0000808461    
Current Fiscal Year End Date --12-31    
Entity Filer Category Accelerated Filer    
Entity Common Stock Shares Outstanding   38,533,612 3,168,800
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus Q3