Acquisitions and Dispositions (Details) (USD $)			9 Months Ended		9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013 Bresnan [Member]	Jul. 01, 2013 Bresnan [Member]	Sep. 30, 2014 Comcast Transaction [Member]	Jul. 01, 2013 Charter Operating [Member] Term Loan E [Member] Bresnan [Member]	Sep. 30, 2014 CCO Safari [Member] Term Loan G [Member]	Dec. 31, 2013 CCO Safari [Member] Term Loan G [Member]	Sep. 30, 2014 CCO Safari [Member] Term Loan G [Member] Comcast Transaction [Member]	Oct. 31, 2014 CCOH Safari, LLC [Member] 5.50% senior notes due December 1, 2022 [Member]	Oct. 31, 2014 CCOH Safari, LLC [Member] 5.75% senior notes due December 1, 2024 [Member]
Business Acquisition [Line Items]
Purchase price				$ 1,625,000,000
Principal Amount, credit facilities						1,500,000,000	3,500,000,000	0	3,500,000,000
Pro forma revenues			6,271,000,000
Pro forma net Ioss			(233,000,000)
Pro forma loss per common share, basic and diluted (in dollars per share)			$ (2.30)
Net number of TWC customers to be acquired by Charter					1,400,000
Number of TWC customers to be acquired by Charter in the Asset Purchase					1,500,000
Number of TWC customers to be acquired in the Asset Exchange					1,500,000
Number of Charter customers divested in the Asset Exchange					1,600,000
New indebtedness of Charter					8,000,000,000
Amount of commitments from financial institutions - term loan facilities					8,400,000,000
Amount of commitments from financial institutions - revolving facility					500,000,000
Amount of committed, but not issued, term loans from financial institutions					1,000,000,000
Principal Amount	$ 17,667,000,000	$ 14,248,000,000								$ 1,500,000,000	$ 2,000,000,000
Stated interest rate (percentage)										5.50%	5.75%
Equity Method Investment, Ownership Percentage					100.00%
New Charter's percent ownership in GreatLand Connections (percentage)					33.00%
Number of customers served by GreatLand Connections					2,500,000
Comcast shareholder's percent ownership in GreatLand Connections (percentage)					67.00%
Leverage multiple					5
Management fee percent (percentage)					4.25%
Transaction Valuation Multiple					7.125