Condensed Consolidating Statements of Operations (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended			2 Months Ended	3 Months Ended		9 Months Ended
	May 31, 2013	Apr. 30, 2013	Mar. 31, 2013	Jun. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
REVENUES					$ 2,287	$ 2,118	$ 6,748	$ 6,007
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)					1,518	1,397	4,444	3,950
Depreciation and amortization					535	493	1,568	1,354
Other operating expenses, net					16	19	42	38
Total costs and expenses					2,069	1,909	6,054	5,342
Income from operations					218	209	694	665
OTHER INCOME (EXPENSES):
Interest expense, net					(217)	(214)	(638)	(635)
Loss on extinguishment of debt	(14)	(2)	(42)	(65)	0	0	0	(123)
Gain (loss) on derivative instruments, net					5	(8)	(3)	9
Equity in income (loss) of subisidiaries							0	0
Total other income (expense)					(212)	(222)	(641)	(749)
Income (loss) before income taxes					6	(13)	53	(84)
Income tax expense					(59)	(57)	(188)	(124)
Consolidated net income (loss)					(53)	(70)	(135)	(208)
Less: Net (income) loss – noncontrolling interest							0	0
Net income (loss)							(135)	(208)
Charter [Member]
REVENUES							16	18
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)							16	18
Depreciation and amortization							0	0
Other operating expenses, net							0	0
Total costs and expenses							16	18
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
Equity in income (loss) of subisidiaries							40	(101)
Total other income (expense)							40	(101)
Income (loss) before income taxes							40	(101)
Income tax expense							(175)	(117)
Consolidated net income (loss)							(135)	(218)
Less: Net (income) loss – noncontrolling interest							0	10
Net income (loss)							(135)	(208)
Intermediate Holding Companies [Member]
REVENUES							169	133
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)							169	133
Depreciation and amortization							0	0
Other operating expenses, net							0	0
Total costs and expenses							169	133
Income from operations							0	0
OTHER INCOME (EXPENSES):
Interest expense, net							5	6
Loss on extinguishment of debt								0
Gain (loss) on derivative instruments, net							0	0
Equity in income (loss) of subisidiaries							3	(130)
Total other income (expense)							8	(124)
Income (loss) before income taxes							8	(124)
Income tax expense							0	(2)
Consolidated net income (loss)							8	(126)
Less: Net (income) loss – noncontrolling interest							32	25
Net income (loss)							40	(101)
CCO Holdings [Member]
REVENUES							0	0
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)							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							(513)	(511)
Loss on extinguishment of debt								(65)
Gain (loss) on derivative instruments, net							0	0
Equity in income (loss) of subisidiaries							516	446
Total other income (expense)							3	(130)
Income (loss) before income taxes							3	(130)
Income tax expense							0	0
Consolidated net income (loss)							3	(130)
Less: Net (income) loss – noncontrolling interest							0	0
Net income (loss)							3	(130)
Charter Operating and Restricted Subsidiaries [Member]
REVENUES							6,748	6,007
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)							4,444	3,950
Depreciation and amortization							1,568	1,354
Other operating expenses, net							42	38
Total costs and expenses							6,054	5,342
Income from operations							694	665
OTHER INCOME (EXPENSES):
Interest expense, net							(123)	(130)
Loss on extinguishment of debt								(58)
Gain (loss) on derivative instruments, net							(3)	9
Equity in income (loss) of subisidiaries							(7)	0
Total other income (expense)							(133)	(179)
Income (loss) before income taxes							561	486
Income tax expense							(13)	(5)
Consolidated net income (loss)							548	481
Less: Net (income) loss – noncontrolling interest							(32)	(35)
Net income (loss)							516	446
Unrestricted Subisidiary – CCO Safari [Member]
REVENUES							0	0
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)							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							(7)	0
Loss on extinguishment of debt								0
Gain (loss) on derivative instruments, net							0	0
Equity in income (loss) of subisidiaries							0	0
Total other income (expense)							(7)	0
Income (loss) before income taxes							(7)	0
Income tax expense							0	0
Consolidated net income (loss)							(7)	0
Less: Net (income) loss – noncontrolling interest							0	0
Net income (loss)							(7)	0
Eliminations [Member]
REVENUES							(185)	(151)
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)							(185)	(151)
Depreciation and amortization							0	0
Other operating expenses, net							0	0
Total costs and expenses							(185)	(151)
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
Equity in income (loss) of subisidiaries							(552)	(215)
Total other income (expense)							(552)	(215)
Income (loss) before income taxes							(552)	(215)
Income tax expense							0	0
Consolidated net income (loss)							(552)	(215)
Less: Net (income) loss – noncontrolling interest							0	0
Net income (loss)							$ (552)	$ (215)