CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Statement [Abstract]
REVENUES	$ 12,522	$ 11,738
COSTS AND EXPENSES:
Operating costs and expenses (exclusive of items shown separately below)	7,711	7,432
Depreciation and amortization	2,441	2,497
Other operating expenses, net	302	7
Total costs and expenses	10,454	9,936
Income from operations	2,068	1,802
OTHER INCOME (EXPENSES):
Interest expense, net	(983)	(980)
Other income (expenses), net	52	(326)
Total other income (expenses), net	(931)	(1,306)
Income before income taxes	1,137	496
Income tax expense	(216)	(29)
Consolidated net income	921	467
Less: Net income attributable to noncontrolling interests	(114)	(71)
Net income attributable to Charter shareholders	$ 807	$ 396
EARNINGS PER COMMON SHARE ATTRIBUTABLE TO CHARTER SHAREHOLDERS:
Basic (dollars per share)	$ 4.22	$ 1.91
Diluted (dollars per share)	$ 4.11	$ 1.86
Weighted average common shares outstanding, basic (shares)	191,404,527	207,831,305
Weighted average common shares outstanding, diluted (shares)	205,872,536	212,810,613