Condensed Consolidating Statements of Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
REVENUES	$ 2,360	$ 2,287	$ 2,259	$ 2,202	$ 2,148	$ 2,118	$ 1,972	$ 1,917	$ 9,108	$ 8,155	$ 7,504
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)									5,973	5,345	4,860
Depreciation and amortization									2,102	1,854	1,713
Other operating expenses, net									62	47	16
Total costs and expenses									8,137	7,246	6,589
Income from operations	277	218	236	240	244	209	234	222	971	909	915
OTHER INCOME (EXPENSES):
Interest expense, net									(911)	(846)	(907)
Gain (loss) on extinguishment of debt									0	(123)	(55)
Gain (loss) on derivative instruments, net									(7)	11	0
Equity in income (loss) of subisidiaries									0	0	0
Total other expenses									(918)	(958)	(962)
Income (loss) before income taxes									53	(49)	(47)
Income tax expense									(236)	(120)	(257)
Consolidated net income (loss)	(48)	(53)	(45)	(37)	39	(70)	(96)	(42)	(183)	(169)	(304)
Less: Net (income) loss – noncontrolling interest									0	0	0
Net income (loss)									(183)	(169)	(304)
Charter [Member]
REVENUES									22	22	24
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)									22	22	24
Depreciation and amortization									0	0	0
Other operating expenses, net									0	0	0
Total costs and expenses									22	22	24
Income from operations									0	0	0
OTHER INCOME (EXPENSES):
Interest expense, net									0	0	0
Gain (loss) on extinguishment of debt										0	0
Gain (loss) on derivative instruments, net									0	0
Equity in income (loss) of subisidiaries									40	(75)	(63)
Total other expenses									40	(75)	(63)
Income (loss) before income taxes									40	(75)	(63)
Income tax expense									(223)	(108)	(254)
Consolidated net income (loss)									(183)	(183)	(317)
Less: Net (income) loss – noncontrolling interest									0	14	13
Net income (loss)									(183)	(169)	(304)
Intermediate Holding Companies [Member]
REVENUES									235	188	159
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)									235	188	159
Depreciation and amortization									0	0	0
Other operating expenses, net									0	0	0
Total costs and expenses									235	188	159
Income from operations									0	0	0
OTHER INCOME (EXPENSES):
Interest expense, net									8	8	(103)
Gain (loss) on extinguishment of debt										0	46
Gain (loss) on derivative instruments, net									0	0
Equity in income (loss) of subisidiaries									(12)	(114)	(35)
Total other expenses									(4)	(106)	(92)
Income (loss) before income taxes									(4)	(106)	(92)
Income tax expense									0	(1)	0
Consolidated net income (loss)									(4)	(107)	(92)
Less: Net (income) loss – noncontrolling interest									44	32	29
Net income (loss)									40	(75)	(63)
CCOH Safari, LLC [Member]
REVENUES									0	0	0
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)									0	0	0
Depreciation and amortization									0	0	0
Other operating expenses, net									0	0	0
Total costs and expenses									0	0	0
Income from operations									0	0	0
OTHER INCOME (EXPENSES):
Interest expense, net									(30)	0	0
Gain (loss) on extinguishment of debt										0	0
Gain (loss) on derivative instruments, net									0	0
Equity in income (loss) of subisidiaries									0	0	0
Total other expenses									(30)	0	0
Income (loss) before income taxes									(30)	0	0
Income tax expense									0	0	0
Consolidated net income (loss)									(30)	0	0
Less: Net (income) loss – noncontrolling interest									0	0	0
Net income (loss)									(30)	0	0
CCO Holdings [Member]
REVENUES									0	0	0
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)									0	0	0
Depreciation and amortization									0	0	0
Other operating expenses, net									0	0	0
Total costs and expenses									0	0	0
Income from operations									0	0	0
OTHER INCOME (EXPENSES):
Interest expense, net									(679)	(681)	(541)
Gain (loss) on extinguishment of debt									0	(65)	0
Gain (loss) on derivative instruments, net									0	0
Equity in income (loss) of subisidiaries									697	632	506
Total other expenses									18	(114)	(35)
Income (loss) before income taxes									18	(114)	(35)
Income tax expense									0	0	0
Consolidated net income (loss)									18	(114)	(35)
Less: Net (income) loss – noncontrolling interest									0	0	0
Net income (loss)									18	(114)	(35)
Charter Operating and Subsidiaries [Member]
REVENUES									9,108	8,155	7,504
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)									5,973	5,345	4,860
Depreciation and amortization									2,102	1,854	1,713
Other operating expenses, net									62	47	16
Total costs and expenses									8,137	7,246	6,589
Income from operations									971	909	915
OTHER INCOME (EXPENSES):
Interest expense, net									(165)	(173)	(263)
Gain (loss) on extinguishment of debt										(58)	(101)
Gain (loss) on derivative instruments, net									(7)	11
Equity in income (loss) of subisidiaries									(45)	0	0
Total other expenses									(217)	(220)	(364)
Income (loss) before income taxes									754	689	551
Income tax expense									(13)	(11)	(3)
Consolidated net income (loss)									741	678	548
Less: Net (income) loss – noncontrolling interest									(44)	(46)	(42)
Net income (loss)									697	632	506
Unrestricted Subisidiary – CCO Safari [Member]
REVENUES									0	0	0
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)									0	0	0
Depreciation and amortization									0	0	0
Other operating expenses, net									0	0	0
Total costs and expenses									0	0	0
Income from operations									0	0	0
OTHER INCOME (EXPENSES):
Interest expense, net									(45)	0	0
Gain (loss) on extinguishment of debt										0	0
Gain (loss) on derivative instruments, net									0	0
Equity in income (loss) of subisidiaries									0	0	0
Total other expenses									(45)	0	0
Income (loss) before income taxes									(45)	0	0
Income tax expense									0	0	0
Consolidated net income (loss)									(45)	0	0
Less: Net (income) loss – noncontrolling interest									0	0	0
Net income (loss)									(45)	0	0
Eliminations [Member]
REVENUES									(257)	(210)	(183)
COSTS AND EXPENSES:
Operating costs and expenses (excluding depreciation and amortization)									(257)	(210)	(183)
Depreciation and amortization									0	0	0
Other operating expenses, net									0	0	0
Total costs and expenses									(257)	(210)	(183)
Income from operations									0	0	0
OTHER INCOME (EXPENSES):
Interest expense, net									0	0	0
Gain (loss) on extinguishment of debt										0	0
Gain (loss) on derivative instruments, net									0	0
Equity in income (loss) of subisidiaries									(680)	(443)	(408)
Total other expenses									(680)	(443)	(408)
Income (loss) before income taxes									(680)	(443)	(408)
Income tax expense									0	0	0
Consolidated net income (loss)									(680)	(443)	(408)
Less: Net (income) loss – noncontrolling interest									0	0	0
Net income (loss)									$ (680)	$ (443)	$ (408)