Condensed Consolidating Statements of Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
REVENUES	$ 2,450	$ 2,287	$ 7,242	$ 6,748
COSTS AND EXPENSES:
Operating costs and expenses (exclusive of items shown separately below)	1,620	1,518	4,802	4,444
Depreciation and amortization	538	535	1,580	1,568
Other operating expenses, net	19	16	69	42
Total costs and expenses	2,177	2,069	6,451	6,054
Income from operations	273	218	791	694
OTHER INCOME (EXPENSES):
Interest expense, net	(353)	(217)	(871)	(638)
Loss on extinguishment of debt	0	0	(128)	0
Gain (loss) on derivative instruments, net	(5)	5	(10)	(3)
Other expense, net	(3)	0	(3)	0
Equity in income (loss) of subsidiaries			0	0
Total other income (expense)	(361)	(212)	(1,012)	(641)
Income (loss) before income taxes	(88)	6	(221)	53
Income tax benefit (expense)	142	(59)	72	(188)
Consolidated net income (loss)	$ 54	$ (53)	(149)	(135)
Less: Noncontrolling interest			0	0
Net income (loss)			(149)	(135)
Charter [Member]
REVENUES			17	16
COSTS AND EXPENSES:
Operating costs and expenses (exclusive of items shown separately below)			17	16
Depreciation and amortization			0	0
Other operating expenses, net			0	0
Total costs and expenses			17	16
Income from operations			0	0
OTHER INCOME (EXPENSES):
Interest expense, net			0	0
Loss on extinguishment of debt			0
Gain (loss) on derivative instruments, net			0	0
Other expense, net			0
Equity in income (loss) of subsidiaries			(9)	40
Total other income (expense)			(9)	40
Income (loss) before income taxes			(9)	40
Income tax benefit (expense)			(140)	(175)
Consolidated net income (loss)			(149)	(135)
Less: Noncontrolling interest			0	0
Net income (loss)			(149)	(135)
Intermediate Holding Companies [Member]
REVENUES			216	169
COSTS AND EXPENSES:
Operating costs and expenses (exclusive of items shown separately below)			216	169
Depreciation and amortization			0	0
Other operating expenses, net			0	0
Total costs and expenses			216	169
Income from operations			0	0
OTHER INCOME (EXPENSES):
Interest expense, net			5	5
Loss on extinguishment of debt			0
Gain (loss) on derivative instruments, net			0	0
Other expense, net			(3)
Equity in income (loss) of subsidiaries			(45)	3
Total other income (expense)			(43)	8
Income (loss) before income taxes			(43)	8
Income tax benefit (expense)			0	0
Consolidated net income (loss)			(43)	8
Less: Noncontrolling interest			34	32
Net income (loss)			(9)	40
Safari Escrow Entities [Member]
REVENUES			0	0
COSTS AND EXPENSES:
Operating costs and expenses (exclusive of items shown separately below)			0	0
Depreciation and amortization			0	0
Other operating expenses, net			0	0
Total costs and expenses			0	0
Income from operations			0	0
OTHER INCOME (EXPENSES):
Interest expense, net			(228)	0
Loss on extinguishment of debt			(2)
Gain (loss) on derivative instruments, net			0	0
Other expense, net			0
Equity in income (loss) of subsidiaries			0	0
Total other income (expense)			(230)	0
Income (loss) before income taxes			(230)	0
Income tax benefit (expense)			0	0
Consolidated net income (loss)			(230)	0
Less: Noncontrolling interest			0	0
Net income (loss)			(230)	0
CCO Holdings [Member]
REVENUES			0	0
COSTS AND EXPENSES:
Operating costs and expenses (exclusive of items shown separately below)			0	0
Depreciation and amortization			0	0
Other operating expenses, net			0	0
Total costs and expenses			0	0
Income from operations			0	0
OTHER INCOME (EXPENSES):
Interest expense, net			(487)	(513)
Loss on extinguishment of debt			(123)
Gain (loss) on derivative instruments, net			0	0
Other expense, net			0
Equity in income (loss) of subsidiaries			795	516
Total other income (expense)			185	3
Income (loss) before income taxes			185	3
Income tax benefit (expense)			0	0
Consolidated net income (loss)			185	3
Less: Noncontrolling interest			0	0
Net income (loss)			185	3
Charter Operating and Restricted Subsidiaries [Member]
REVENUES			7,242	6,748
COSTS AND EXPENSES:
Operating costs and expenses (exclusive of items shown separately below)			4,802	4,444
Depreciation and amortization			1,580	1,568
Other operating expenses, net			69	42
Total costs and expenses			6,451	6,054
Income from operations			791	694
OTHER INCOME (EXPENSES):
Interest expense, net			(114)	(123)
Loss on extinguishment of debt			0
Gain (loss) on derivative instruments, net			(10)	(3)
Other expense, net			0
Equity in income (loss) of subsidiaries			(50)	(7)
Total other income (expense)			(174)	(133)
Income (loss) before income taxes			617	561
Income tax benefit (expense)			212	(13)
Consolidated net income (loss)			829	548
Less: Noncontrolling interest			(34)	(32)
Net income (loss)			795	516
Unrestricted Subsidiary – CCO Safari [Member]
REVENUES			0	0
COSTS AND EXPENSES:
Operating costs and expenses (exclusive of items shown separately below)			0	0
Depreciation and amortization			0	0
Other operating expenses, net			0	0
Total costs and expenses			0	0
Income from operations			0	0
OTHER INCOME (EXPENSES):
Interest expense, net			(47)	(7)
Loss on extinguishment of debt			(3)
Gain (loss) on derivative instruments, net			0	0
Other expense, net			0
Equity in income (loss) of subsidiaries			0	0
Total other income (expense)			(50)	(7)
Income (loss) before income taxes			(50)	(7)
Income tax benefit (expense)			0	0
Consolidated net income (loss)			(50)	(7)
Less: Noncontrolling interest			0	0
Net income (loss)			(50)	(7)
Eliminations [Member]
REVENUES			(233)	(185)
COSTS AND EXPENSES:
Operating costs and expenses (exclusive of items shown separately below)			(233)	(185)
Depreciation and amortization			0	0
Other operating expenses, net			0	0
Total costs and expenses			(233)	(185)
Income from operations			0	0
OTHER INCOME (EXPENSES):
Interest expense, net			0	0
Loss on extinguishment of debt			0
Gain (loss) on derivative instruments, net			0	0
Other expense, net			0
Equity in income (loss) of subsidiaries			(691)	(552)
Total other income (expense)			(691)	(552)
Income (loss) before income taxes			(691)	(552)
Income tax benefit (expense)			0	0
Consolidated net income (loss)			(691)	(552)
Less: Noncontrolling interest			0	0
Net income (loss)			$ (691)	$ (552)