Mergers and Acquisitions (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Business Acquisition [Line Items]
Value of common stock issued to Liberty Broadband to finance the Transactions				$ 5,000,000,000
Principal amount of debt issued to finance the Transactions	$ 60,264,000,000	$ 60,264,000,000		60,264,000,000		$ 35,902,000,000
Revenues of acquiree recognized from date of acquisition		6,161,000,000	$ 2,430,000,000	8,691,000,000	$ 4,792,000,000
Net income of acquiree recognized from date of acquisition		3,114,000,000	(122,000,000)	2,926,000,000	(203,000,000)
Purchase price:
Pre-combination vesting period fair value of Converted TWC Awards				514,000,000
Preliminary allocation of purchase price:
Goodwill	29,692,000,000	29,692,000,000		29,692,000,000		1,168,000,000
Pro forma financial information:
Pro forma revenues		9,988,000,000	9,370,000,000	19,751,000,000	18,511,000,000
Pro forma net income		$ 280,000,000	$ 107,000,000	$ 525,000,000	$ 157,000,000
Earnings per common share, basic		$ 1.04	$ 0.40	$ 2.29	$ 0.58
Earnings per common share, diluted		$ 0.99	$ 0.39	$ 2.26	$ 0.58
CCO Safari II [Member]
Business Acquisition [Line Items]
Principal amount of debt issued to finance the Transactions						15,500,000,000
CCO Safari III [Member] | Credit Facilities [Member]
Business Acquisition [Line Items]
Principal amount of debt issued to finance the Transactions	0	$ 0		$ 0		3,800,000,000
CCOH Safari, LLC [Member] | 5.750% Senior Notes Due February 15, 2026 [Member]
Business Acquisition [Line Items]
Principal amount of debt issued to finance the Transactions	0	0		0		2,500,000,000
Charter Operating [Member] | Credit Facilities [Member]
Business Acquisition [Line Items]
Principal amount of debt issued to finance the Transactions	9,014,000,000	9,014,000,000		9,014,000,000		$ 3,552,000,000
Charter Operating [Member] | Term Loan A-2 [Member]
Business Acquisition [Line Items]
Principal amount of debt issued to finance the Transactions	2,600,000,000	2,600,000,000		$ 2,600,000,000
Class A Common Stock [Member]
Business Acquisition [Line Items]
Issuance of share to Liberty Broadband for cash (shares)				25,631,339
Class B Common Stock [Member]
Business Acquisition [Line Items]
Issuance of share to Liberty Broadband for cash (shares)				0
Purchase price:
Number of shares/units issued (shares)				0
TWC Transaction [Member]
Business Acquisition [Line Items]
Cash portion of purchase price - Option A	$ 100	$ 100		$ 100
Equity portion of purchase price - Option A	0.5409	0.5409		0.5409
Cash portion of purchase price - Option B	$ 115	$ 115		$ 115
Equity portion of purchase price - Option B	0.4562	0.4562		0.4562
Exchange ratio used to determine number of shares	0.9042	0.9042		0.9042
Shares of TWC common stock outstanding as of the date of election	277,000,000	277,000,000		277,000,000
Shares of TWC common stock outstanding as of the date of election - Option A elected	274,000,000	274,000,000		274,000,000
Shares of TWC common stock outstanding as of the date of election - Option B elected	3,000,000	3,000,000		3,000,000
Shares of Charter Class A common stock received by the Liberty Parties for each share of Legacy TWC common stock owned	1	1		1
Shares of Legacy Charter Class A common stock received by the Liberty Parties for each share of Legacy TWC common stock owned	1.106	1.106		1.106
TWC enterprise value including cash, equity and debt assumed	$ 85,000,000,000	$ 85,000,000,000		$ 85,000,000,000
Principal amount of debt issued to finance the Transactions	22,400,000,000	22,400,000,000		22,400,000,000
Revenues of acquiree recognized from date of acquisition	3,100,000,000
Net income of acquiree recognized from date of acquisition	236,000,000
Fair value adjustment to TWC long-term debt assumed (debt premium)	2,400,000,000	2,400,000,000		2,400,000,000
Purchase price:
Cash paid to acquire business				27,770,000,000
Cash paid for Legacy TWC non-employee equity awards				69,000,000
Total purchase price				60,517,000,000
Preliminary allocation of purchase price:
Assets acquired, cash and cash equivalents	1,058,000,000	1,058,000,000		1,058,000,000
Assets acquired, current assets	1,309,000,000	1,309,000,000		1,309,000,000
Assets acquired, property, plant and equipment	21,576,000,000	21,576,000,000		21,576,000,000
Assets acquired, franchises	53,395,000,000	53,395,000,000		53,395,000,000
Assets acquired, customer relationships	13,700,000,000	13,700,000,000		13,700,000,000
Goodwill	28,368,000,000	28,368,000,000		28,368,000,000
Assets acquired, other noncurrent assets	1,061,000,000	1,061,000,000		1,061,000,000
Liabilities assumed, accounts payable and accrued liabilities	(3,727,000,000)	(3,727,000,000)		(3,727,000,000)
Liabilities assumed, debt	(24,900,000,000)	(24,900,000,000)		(24,900,000,000)
Liabilities assumed, deferred income taxes	(28,152,000,000)	(28,152,000,000)		(28,152,000,000)
Liabilities assumed, other long-term liabilities	(3,167,000,000)	(3,167,000,000)		(3,167,000,000)
Noncontrolling interests acquired	(4,000,000)	(4,000,000)		(4,000,000)
Total assets acquired plus goodwill less liabilities assumed and noncontrolling interests acquired	$ 60,517,000,000	$ 60,517,000,000		$ 60,517,000,000
TWC Transaction [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Weighted-average useful life of finite-lived intangible assets acquired				11 years
TWC Transaction [Member] | Class A Common Stock [Member]
Business Acquisition [Line Items]
Issuance of share to Liberty Broadband for cash (shares)				22,000,000
Value of common stock issued to Liberty Broadband to finance the Transactions				$ 4,300,000,000
Purchase price:
Number of shares/units issued (shares)				143,012,155
Price per share/unit of shares/units issued	$ 224.91	$ 224.91		$ 224.91
Fair value of shares/units issued to acquire business				$ 32,164,000,000
Bright House Transaction [Member]
Business Acquisition [Line Items]
Revenues of acquiree recognized from date of acquisition	$ 501,000,000
Net income of acquiree recognized from date of acquisition	41,000,000
Purchase price:
Cash paid to acquire business				2,022,000,000
Total purchase price				12,156,000,000
Preliminary allocation of purchase price:
Assets acquired, current assets	132,000,000	$ 132,000,000		132,000,000
Assets acquired, property, plant and equipment	3,266,000,000	3,266,000,000		3,266,000,000
Assets acquired, franchises	6,844,000,000	6,844,000,000		6,844,000,000
Assets acquired, customer relationships	2,040,000,000	2,040,000,000		2,040,000,000
Goodwill	152,000,000	152,000,000		152,000,000
Assets acquired, other noncurrent assets	86,000,000	86,000,000		86,000,000
Liabilities assumed, accounts payable and accrued liabilities	(330,000,000)	(330,000,000)		(330,000,000)
Liabilities assumed, other long-term liabilities	(12,000,000)	(12,000,000)		(12,000,000)
Noncontrolling interests acquired	(22,000,000)	(22,000,000)		(22,000,000)
Total assets acquired plus goodwill less liabilities assumed and noncontrolling interests acquired	12,156,000,000	12,156,000,000		$ 12,156,000,000
Bright House Transaction [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Weighted-average useful life of finite-lived intangible assets acquired				10 years
Bright House Transaction [Member] | Class A Common Stock [Member]
Business Acquisition [Line Items]
Issuance of share to Liberty Broadband for cash (shares)				3,700,000
Value of common stock issued to Liberty Broadband to finance the Transactions				$ 700,000,000
Purchase price:
Number of shares/units issued (shares)				0
Bright House Transaction [Member] | Class B Common Stock [Member]
Purchase price:
Number of shares/units issued (shares)				1
Bright House Transaction [Member] | Preferred Stock [Member]
Business Acquisition [Line Items]
Convertible units, face amount	$ 2,500,000,000	$ 2,500,000,000		$ 2,500,000,000
Convertible units, dividend rate				6.00%
Purchase price:
Number of shares/units issued (shares)				25,000,000
Fair value of shares/units issued to acquire business				$ 3,163,000,000
Bright House Transaction [Member] | Common Stock [Member]
Purchase price:
Number of shares/units issued (shares)				31,000,000
Price per share/unit of shares/units issued	$ 224.91	$ 224.91		$ 224.91
Fair value of shares/units issued to acquire business				$ 6,971,000,000