Long-Term Debt (Details) £ in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 GBP (£)	Dec. 31, 2021 USD ($)
Long-term Debt:
Principal Amount	$ 95,731		$ 95,731			$ 91,198
Carrying Value	96,001		96,001			91,561
Fair Value	84,404		84,404			99,641
Borrowings of long-term debt			16,631	$ 10,958
Loss on Extinguishment of Debt	(3)	$ (46)	(3)	(75)
Senior unsecured notes
Long-term Debt:
Principal Amount	25,150		25,150			23,950
Carrying Value	25,075		25,075			23,882
Senior unsecured notes | Level 1
Long-term Debt:
Fair Value	21,535		21,535			24,630
Senior secured notes and debentures(a)
Long-term Debt:
Principal Amount	56,852		56,852			56,525
Carrying Value	57,258		57,258			57,011
Senior secured notes and debentures(a) | Level 1
Long-term Debt:
Fair Value	49,843		49,843			64,346
Credit facilities(b)
Long-term Debt:
Principal Amount	13,729		13,729			10,723
Carrying Value	13,668		13,668			10,668
Credit facilities(b) | Level 2
Long-term Debt:
Fair Value	13,026		13,026			$ 10,665
Term Loan A-5
Long-term Debt:
Borrowings of long-term debt			2,300
CCO Holdings
Long-term Debt:
Loss on Extinguishment of Debt	0	(46)	0	(75)
CCO Holdings | 4.750% Senior Notes due February 1, 2032
Long-term Debt:
Principal Amount	$ 1,200		$ 1,200
Stated interest rate (percentage)	4.75%		4.75%		4.75%
Charter Operating
Long-term Debt:
Availability under credit facilities	$ 4,400		$ 4,400
Charter Operating | Senior secured notes and debentures(a)
Long-term Debt:
Loss on Extinguishment of Debt	(1)	0	(1)	0
Charter Operating | Credit facilities(b)
Long-term Debt:
Loss on Extinguishment of Debt	(2)	$ 0	(2)	$ 0
Charter Operating | 4.400% senior secured notes due April 2033
Long-term Debt:
Principal Amount	$ 1,000		$ 1,000
Stated interest rate (percentage)	4.40%		4.40%		4.40%
Debt instrument issue price (percentage)			99.634%
Charter Operating | 5.250% senior secured notes due April 2053
Long-term Debt:
Principal Amount	$ 1,500		$ 1,500
Stated interest rate (percentage)	5.25%		5.25%		5.25%
Debt instrument issue price (percentage)			99.30%
Charter Operating | 5.500% senior secured notes due April 2063
Long-term Debt:
Principal Amount	$ 1,000		$ 1,000
Stated interest rate (percentage)	5.50%		5.50%		5.50%
Debt instrument issue price (percentage)			99.255%
Charter Operating | 4.464% Senior Notes Due July 23, 2022
Long-term Debt:
Stated interest rate (percentage)	4.464%		4.464%		4.464%
Charter Operating | Term Loan A-5
Long-term Debt:
Principal Amount	$ 6,050		$ 6,050
SOFR spread			1.25%
Charter Operating | Term Loan A-6
Long-term Debt:
Principal Amount	500		$ 500
SOFR spread			1.50%
Charter Operating | Revolving Credit Facility
Long-term Debt:
Revolving loan borrowing capacity	5,500		$ 5,500
SOFR spread			1.25%
Charter Operating | Term Loan B-1
Long-term Debt:
Principal Amount	2,400		$ 2,400
Charter Operating | Term Loan B-2
Long-term Debt:
Principal Amount	$ 3,700		$ 3,700
Time Warner Cable | 5.750% Sterling Senior Notes Due June 2, 2031
Long-term Debt:
Principal Amount | £					£ 625
Time Warner Cable | 5.250% Sterling Senior Notes Due July 15, 2042
Long-term Debt:
Principal Amount | £					£ 650