Document And Entity Information	6 Months Ended
	Jun. 30, 2021 shares
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2021
Document Transition Report	false
Entity File Number	001-33664
Entity Registrant Name	Charter Communications, Inc.
Entity Central Index Key	0001091667
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	84-1496755
Entity Address, Address Line One	400 Washington Blvd.
Entity Address, City or Town	Stamford
Entity Address, State or Province	CT
Entity Address, Postal Zip Code	06902
City Area Code	203
Local Phone Number	905-7801
Title of 12(b) Security	Class A Common Stock $.001 Par Value
Trading Symbol	CHTR
Security Exchange Name	NASDAQ
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
Class A Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding	183,822,205
Class B Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding	1