Condensed Consolidating Statements of Comprehensive Income (Loss) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Consolidated net income (loss)	$ (81)	$ (37)
Net impact of interest rate derivative instruments, net of tax	3	6
Comprehensive income (loss)	(78)	(31)
Charter [Member]
Consolidated net income (loss)	(81)	(37)
Net impact of interest rate derivative instruments, net of tax	3	6
Comprehensive income (loss)	(78)	(31)
Intermediate Holding Companies [Member]
Consolidated net income (loss)	(57)	13
Net impact of interest rate derivative instruments, net of tax	3	6
Comprehensive income (loss)	(54)	19
CCOH Safari, LLC [Member]
Consolidated net income (loss)	(49)	0
Net impact of interest rate derivative instruments, net of tax	0	0
Comprehensive income (loss)	(49)	0
CCO Holdings [Member]
Consolidated net income (loss)	(10)	11
Net impact of interest rate derivative instruments, net of tax	3	6
Comprehensive income (loss)	(7)	17
Charter Operating and Restricted Subsidiaries [Member]
Consolidated net income (loss)	166	193
Net impact of interest rate derivative instruments, net of tax	3	6
Comprehensive income (loss)	169	199
Unrestricted Subisidiary – CCO Safari [Member]
Consolidated net income (loss)	(36)	0
Net impact of interest rate derivative instruments, net of tax	0	0
Comprehensive income (loss)	(36)	0
Eliminations [Member]
Consolidated net income (loss)	(14)	(217)
Net impact of interest rate derivative instruments, net of tax	(9)	(18)
Comprehensive income (loss)	$ (23)	$ (235)