Condensed Consolidating Statements of Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
REVENUES	$ 2,362	$ 2,202
COSTS AND EXPENSES:
Operating costs and expenses (exclusive of items shown separately below)	1,581	1,447
Depreciation and amortization	514	505
Other operating expenses, net	18	10
Total costs and expenses	2,113	1,962
Income from operations	249	240
OTHER INCOME (EXPENSES):
Interest expense, net	(289)	(211)
Loss on derivative instruments, net	(6)	(2)
Equity in income (loss) of subisidiaries	0	0
Total other income (expense)	(295)	(213)
Income (loss) before income taxes	(46)	27
Income tax expense	(35)	(64)
Consolidated net income (loss)	(81)	(37)
Less: Noncontrolling interest	0	0
Net income (loss)	(81)	(37)
Charter [Member]
REVENUES	6	5
COSTS AND EXPENSES:
Operating costs and expenses (exclusive of items shown separately below)	6	5
Depreciation and amortization	0	0
Other operating expenses, net	0	0
Total costs and expenses	6	5
Income from operations	0	0
OTHER INCOME (EXPENSES):
Interest expense, net	0	0
Loss on derivative instruments, net	0	0
Equity in income (loss) of subisidiaries	(47)	24
Total other income (expense)	(47)	24
Income (loss) before income taxes	(47)	24
Income tax expense	(34)	(61)
Consolidated net income (loss)	(81)	(37)
Less: Noncontrolling interest	0	0
Net income (loss)	(81)	(37)
Intermediate Holding Companies [Member]
REVENUES	71	60
COSTS AND EXPENSES:
Operating costs and expenses (exclusive of items shown separately below)	71	60
Depreciation and amortization	0	0
Other operating expenses, net	0	0
Total costs and expenses	71	60
Income from operations	0	0
OTHER INCOME (EXPENSES):
Interest expense, net	2	2
Loss on derivative instruments, net	0	0
Equity in income (loss) of subisidiaries	(59)	11
Total other income (expense)	(57)	13
Income (loss) before income taxes	(57)	13
Income tax expense	0	0
Consolidated net income (loss)	(57)	13
Less: Noncontrolling interest	10	11
Net income (loss)	(47)	24
CCOH Safari, LLC [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	(49)	0
Loss on derivative instruments, net	0	0
Equity in income (loss) of subisidiaries	0	0
Total other income (expense)	(49)	0
Income (loss) before income taxes	(49)	0
Income tax expense	0	0
Consolidated net income (loss)	(49)	0
Less: Noncontrolling interest	0	0
Net income (loss)	(49)	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	(166)	(171)
Loss on derivative instruments, net	0	0
Equity in income (loss) of subisidiaries	156	182
Total other income (expense)	(10)	11
Income (loss) before income taxes	(10)	11
Income tax expense	0	0
Consolidated net income (loss)	(10)	11
Less: Noncontrolling interest	0	0
Net income (loss)	(10)	11
Charter Operating and Restricted Subsidiaries [Member]
REVENUES	2,362	2,202
COSTS AND EXPENSES:
Operating costs and expenses (exclusive of items shown separately below)	1,581	1,447
Depreciation and amortization	514	505
Other operating expenses, net	18	10
Total costs and expenses	2,113	1,962
Income from operations	249	240
OTHER INCOME (EXPENSES):
Interest expense, net	(40)	(42)
Loss on derivative instruments, net	(6)	(2)
Equity in income (loss) of subisidiaries	(36)	0
Total other income (expense)	(82)	(44)
Income (loss) before income taxes	167	196
Income tax expense	(1)	(3)
Consolidated net income (loss)	166	193
Less: Noncontrolling interest	(10)	(11)
Net income (loss)	156	182
Unrestricted Subisidiary – 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	(36)	0
Loss on derivative instruments, net	0	0
Equity in income (loss) of subisidiaries	0	0
Total other income (expense)	(36)	0
Income (loss) before income taxes	(36)	0
Income tax expense	0	0
Consolidated net income (loss)	(36)	0
Less: Noncontrolling interest	0	0
Net income (loss)	(36)	0
Eliminations [Member]
REVENUES	(77)	(65)
COSTS AND EXPENSES:
Operating costs and expenses (exclusive of items shown separately below)	(77)	(65)
Depreciation and amortization	0	0
Other operating expenses, net	0	0
Total costs and expenses	(77)	(65)
Income from operations	0	0
OTHER INCOME (EXPENSES):
Interest expense, net	0	0
Loss on derivative instruments, net	0	0
Equity in income (loss) of subisidiaries	(14)	(217)
Total other income (expense)	(14)	(217)
Income (loss) before income taxes	(14)	(217)
Income tax expense	0	0
Consolidated net income (loss)	(14)	(217)
Less: Noncontrolling interest	0	0
Net income (loss)	$ (14)	$ (217)