Condensed Consolidating Statements of Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Consolidated net income (loss)	$ 54	$ (53)	$ (149)	$ (135)
Net impact of interest rate derivative instruments, net of tax	2	5	7	16
Comprehensive income (loss)	$ 56	$ (48)	(142)	(119)
Charter [Member]
Consolidated net income (loss)			(149)	(135)
Net impact of interest rate derivative instruments, net of tax			7	16
Comprehensive income (loss)			(142)	(119)
Intermediate Holding Companies [Member]
Consolidated net income (loss)			(43)	8
Net impact of interest rate derivative instruments, net of tax			7	16
Comprehensive income (loss)			(36)	24
Safari Escrow Entities [Member]
Consolidated net income (loss)			(230)	0
Net impact of interest rate derivative instruments, net of tax			7	0
Comprehensive income (loss)			(223)	0
CCO Holdings [Member]
Consolidated net income (loss)			185	3
Net impact of interest rate derivative instruments, net of tax			7	16
Comprehensive income (loss)			192	19
Charter Operating and Restricted Subsidiaries [Member]
Consolidated net income (loss)			829	548
Net impact of interest rate derivative instruments, net of tax			7	16
Comprehensive income (loss)			836	564
Unrestricted Subsidiary – CCO Safari [Member]
Consolidated net income (loss)			(50)	(7)
Net impact of interest rate derivative instruments, net of tax			0	0
Comprehensive income (loss)			(50)	(7)
Eliminations [Member]
Consolidated net income (loss)			(691)	(552)
Net impact of interest rate derivative instruments, net of tax			(28)	(48)
Comprehensive income (loss)			$ (719)	$ (600)