Condensed Consolidating Statement of Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
REVENUES	$ 1,827	$ 1,770
COSTS AND EXPENSES:
Operating (excluding depreciation and amortization)	814	768
Selling, general and administrative	372	345
Depreciation and amortization	408	383
Other operating expenses, net	3	5
Costs and Expenses	1,597	1,501
Income from operations	230	269
OTHER INCOME (EXPENSES):
Interest expense, net	(237)	(233)
Loss on extinguishment of debt	(15)	(67)
Other income (expense), net	(1)	0
Equity in income (loss) of subisidiaries	0	0
Nonoperating Income (Expense)	(253)	(300)
Income (Loss) before income taxes	(23)	(31)
Income tax expense	(71)	(79)
Net loss	(94)	(110)
Less: Net loss – noncontrolling interest	0	0
Net Income (Loss)	(94)	(110)
Charter [Member]
REVENUES	6	10
COSTS AND EXPENSES:
Operating (excluding depreciation and amortization)	0	0
Selling, general and administrative	6	10
Depreciation and amortization	0	0
Other operating expenses, net	0	0
Costs and Expenses	6	10
Income from operations	0	0
OTHER INCOME (EXPENSES):
Interest expense, net	0	0
Loss on extinguishment of debt	0	0
Other income (expense), net	0
Equity in income (loss) of subisidiaries	(28)	(40)
Nonoperating Income (Expense)	(28)	(40)
Income (Loss) before income taxes	(28)	(40)
Income tax expense	(69)	(73)
Net loss	(97)	(113)
Less: Net loss – noncontrolling interest	3	3
Net Income (Loss)	(94)	(110)
Intermediate Holding Companies [Member]
REVENUES	36	29
COSTS AND EXPENSES:
Operating (excluding depreciation and amortization)	0	0
Selling, general and administrative	36	29
Depreciation and amortization	0	0
Other operating expenses, net	0	0
Costs and Expenses	36	29
Income from operations	0	0
OTHER INCOME (EXPENSES):
Interest expense, net	0	0
Loss on extinguishment of debt	0	0
Other income (expense), net	0
Equity in income (loss) of subisidiaries	(34)	(47)
Nonoperating Income (Expense)	(34)	(47)
Income (Loss) before income taxes	(34)	(47)
Income tax expense	0	0
Net loss	(34)	(47)
Less: Net loss – noncontrolling interest	6	7
Net Income (Loss)	(28)	(40)
CCH II [Member]
REVENUES	0	0
COSTS AND EXPENSES:
Operating (excluding depreciation and amortization)	0	0
Selling, general and administrative	0	0
Depreciation and amortization	0	0
Other operating expenses, net	0	0
Costs and Expenses	0	0
Income from operations	0	0
OTHER INCOME (EXPENSES):
Interest expense, net	(34)	(48)
Loss on extinguishment of debt	(6)	0
Other income (expense), net	0
Equity in income (loss) of subisidiaries	6	1
Nonoperating Income (Expense)	(34)	(47)
Income (Loss) before income taxes	(34)	(47)
Income tax expense	0	0
Net loss	(34)	(47)
Less: Net loss – noncontrolling interest	0	0
Net Income (Loss)	(34)	(47)
CCO Holdings [Member]
REVENUES	0	0
COSTS AND EXPENSES:
Operating (excluding depreciation and amortization)	0	0
Selling, general and administrative	0	0
Depreciation and amortization	0	0
Other operating expenses, net	0	0
Costs and Expenses	0	0
Income from operations	0	0
OTHER INCOME (EXPENSES):
Interest expense, net	(127)	(76)
Loss on extinguishment of debt	0	0
Other income (expense), net	0
Equity in income (loss) of subisidiaries	133	77
Nonoperating Income (Expense)	6	1
Income (Loss) before income taxes	6	1
Income tax expense	0	0
Net loss	6	1
Less: Net loss – noncontrolling interest	0	0
Net Income (Loss)	6	1
Charter Operating and Subsidiaries [Member]
REVENUES	1,827	1,770
COSTS AND EXPENSES:
Operating (excluding depreciation and amortization)	814	768
Selling, general and administrative	372	345
Depreciation and amortization	408	383
Other operating expenses, net	3	5
Costs and Expenses	1,597	1,501
Income from operations	230	269
OTHER INCOME (EXPENSES):
Interest expense, net	(76)	(109)
Loss on extinguishment of debt	(9)	(67)
Other income (expense), net	(1)
Equity in income (loss) of subisidiaries	0	0
Nonoperating Income (Expense)	(86)	(176)
Income (Loss) before income taxes	144	93
Income tax expense	(2)	(6)
Net loss	142	87
Less: Net loss – noncontrolling interest	(9)	(10)
Net Income (Loss)	133	77
Eliminations [Member]
REVENUES	(42)	(39)
COSTS AND EXPENSES:
Operating (excluding depreciation and amortization)	0	0
Selling, general and administrative	(42)	(39)
Depreciation and amortization	0	0
Other operating expenses, net	0	0
Costs and Expenses	(42)	(39)
Income from operations	0	0
OTHER INCOME (EXPENSES):
Interest expense, net	0	0
Loss on extinguishment of debt	0	0
Other income (expense), net	0
Equity in income (loss) of subisidiaries	(77)	9
Nonoperating Income (Expense)	(77)	9
Income (Loss) before income taxes	(77)	9
Income tax expense	0	0
Net loss	(77)	9
Less: Net loss – noncontrolling interest	0	0
Net Income (Loss)	$ (77)	$ 9