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Noncontrolling Interests (Details) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended	12 Months Ended
	Jun. 18, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Noncontrolling Interests:
Net income attributable to noncontrolling interest		$ 666	$ 454	$ 324
Distributions to noncontrolling interest		75	154	154
Purchase of noncontrolling interest, net of tax		(1,885)	(1,262)	(805)
Change in noncontrolling interest ownership, net of tax		(528)	(131)	(56)
Preferred Noncontrolling Interest, Carrying Amount	$ 3,200
Noncontrolling Interest, Carrying Amount	$ 2,000
Noncontrolling Interest, Change in Redemption Value		1,200
Noncontrolling Interests
Noncontrolling Interests:
Distributions to noncontrolling interest		75	154	154
Purchase of noncontrolling interest, net of tax		(808)	(656)	(565)
Change in noncontrolling interest ownership, net of tax		(2,153)	(534)	(226)
Additional Paid-in Capital
Noncontrolling Interests:
Distributions to noncontrolling interest		0	0	0
Purchase of noncontrolling interest, net of tax		(1,077)	(606)	(240)
Change in noncontrolling interest ownership, net of tax		1,625	403	170
Common Noncontrolling Interest
Noncontrolling Interests:
Net income attributable to noncontrolling interest		594	303	173
Distributions to noncontrolling interest		$ 4	$ 3	$ 2
Number of units purchased		3,274,391	2,637,483	2,276,906
Average price per unit		$ 682.16	$ 554.37	$ 388.72
Amount of units purchased		$ 2,234	$ 1,462	$ 885
Common Noncontrolling Interest | A/N
Noncontrolling Interests:
Shares held by noncontrolling shareholders (shares)	9,300,000
Ownership percentage held by noncontrolling interest (percentage)	7.00%	11.00%	8.00%	8.00%
Common Noncontrolling Interest | Noncontrolling Interests
Noncontrolling Interests:
Purchase of noncontrolling interest, net of tax		$ (808)	$ (656)	$ (565)
Change in noncontrolling interest ownership, net of tax		(2,153)	(534)	(226)
Common Noncontrolling Interest | Additional Paid-in Capital
Noncontrolling Interests:
Decrease in additional paid-in-capital, net of tax		(1,077)	(606)	(240)
Change in noncontrolling interest ownership, net of tax		1,625	403	170
Preferred Noncontrolling Interest
Noncontrolling Interests:
Number of units to be received upon conversion to Charter Holdings common units (in units)	0.37334
Convertible units, conversion price (dollars per unit)	$ 267.85
Convertible units, face amount	$ 2,500
Convertible units, dividend rate (percentage)	6.00%
Net income attributable to noncontrolling interest		$ 70	$ 150	$ 150
Deferred Tax and Other Liabilities, Noncurrent	$ 300
Preferred Noncontrolling Interest | A/N
Noncontrolling Interests:
Shares held by noncontrolling shareholders (shares)	25,000,000
Maximum | Charter
Noncontrolling Interests:
Noncontrolling interest ownership threshold (percentage)		100.00%

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