v2.4.0.6
Document And Entity Information (USD $)
In Billions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Jan. 31, 2013
Jun. 30, 2012
Entity Information [Line Items]      
Entity Registrant Name CHARTER COMMUNICATIONS, INC. /MO/    
Entity Central Index Key 0001091667    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Dec. 31, 2012    
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus FY    
Trading Symbol CHTR    
Entity Current Reporting Status Yes    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   101,178,821  
Entity Public Float     $ 2.8