CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 339	$ 195	$ 562	$ 406
Foreign Currency Translation Adjustment	(1)	0	(1)	0
Net impact of interest rate derivative instruments	0	2	0	3
Consolidated comprehensive income	338	197	561	409
Less: Comprehensive income attributable to noncontrolling interests	(66)	(56)	(121)	(112)
Comprehensive income attributable to Charter shareholders	$ 272	$ 141	$ 440	$ 297