Condensed Consolidating Statements of Cash Flows (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	$ (135)	$ (208)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	1,568	1,354
Noncash interest expense	29	33
Loss on extinguishment of debt	0	123
(Gain) loss on derivative instruments, net	3	(9)
Deferred income taxes	177	112
Equity in (income) losses of subisidiaries	0	0
Other, net	43	69
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	(36)	10
Prepaid expenses and other assets	(21)	(13)
Accounts payable, accrued liabilities and other	101	92
Receivables from and payables to related parties	0	0
Net cash flows from operating activities	1,729	1,563
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(1,678)	(1,259)
Change in accrued expenses related to capital expenditures	31	21
Purchases of cable systems, net	0	(673)
Contribution to subsidiary	0	0
Distributions from subsidiary	0	0
Restricted cash in escrow - CCO Safari, LLC	(3,513)	0
Other, net	(5)	(15)
Net cash flows from investing activities	(5,165)	(1,926)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	4,914	6,569
Repayments of long-term debt	(1,514)	(6,177)
Borrowings (payments) loans payable - related parties		0
Payments for debt issuance costs	(4)	(50)
Purchase of treasury stock	(18)	(11)
Proceeds from exercise of options and warrants	43	67
Contributions from parent	0	0
Distributions to parent	0	0
Other, net	4	(1)
Net cash flows from financing activities	3,425	397
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(11)	34
CASH AND CASH EQUIVALENTS, beginning of period	21	7
CASH AND CASH EQUIVALENTS, end of period	10	41
Charter [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	(135)	(218)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	0	0
Noncash interest expense	0	0
Loss on extinguishment of debt		0
(Gain) loss on derivative instruments, net	0	0
Deferred income taxes	177	110
Equity in (income) losses of subisidiaries	(40)	101
Other, net	0	0
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	0	0
Prepaid expenses and other assets	0	0
Accounts payable, accrued liabilities and other	(2)	0
Receivables from and payables to related parties	2	8
Net cash flows from operating activities	2	1
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	0	0
Change in accrued expenses related to capital expenditures	0	0
Purchases of cable systems, net		0
Contribution to subsidiary	(27)	(54)
Distributions from subsidiary	5	0
Restricted cash in escrow - CCO Safari, LLC	0
Other, net	0	0
Net cash flows from investing activities	(22)	(54)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	0	0
Repayments of long-term debt	0	0
Borrowings (payments) loans payable - related parties		0
Payments for debt issuance costs	0	0
Purchase of treasury stock	(18)	(11)
Proceeds from exercise of options and warrants	43	67
Contributions from parent	0	0
Distributions to parent	0	0
Other, net	(2)	0
Net cash flows from financing activities	23	56
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	3	3
CASH AND CASH EQUIVALENTS, beginning of period	0	1
CASH AND CASH EQUIVALENTS, end of period	3	4
Intermediate Holding Companies [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	8	(126)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	0	0
Noncash interest expense	0	0
Loss on extinguishment of debt		0
(Gain) loss on derivative instruments, net	0	0
Deferred income taxes	0	0
Equity in (income) losses of subisidiaries	(3)	130
Other, net	0	(1)
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	(1)	(2)
Prepaid expenses and other assets	(3)	0
Accounts payable, accrued liabilities and other	28	(7)
Receivables from and payables to related parties	(42)	5
Net cash flows from operating activities	(13)	(1)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	0	0
Change in accrued expenses related to capital expenditures	0	0
Purchases of cable systems, net		0
Contribution to subsidiary	(132)	(324)
Distributions from subsidiary	30	6
Restricted cash in escrow - CCO Safari, LLC	0
Other, net	(5)	0
Net cash flows from investing activities	(107)	(318)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	0	0
Repayments of long-term debt	0	0
Borrowings (payments) loans payable - related parties		0
Payments for debt issuance costs	0	0
Purchase of treasury stock	0	0
Proceeds from exercise of options and warrants	0	0
Contributions from parent	137	324
Distributions to parent	(30)	(5)
Other, net	8	0
Net cash flows from financing activities	115	319
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(5)	0
CASH AND CASH EQUIVALENTS, beginning of period	5	0
CASH AND CASH EQUIVALENTS, end of period	0	0
CCO Holdings [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	3	(130)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	0	0
Noncash interest expense	20	20
Loss on extinguishment of debt		65
(Gain) loss on derivative instruments, net	0	0
Deferred income taxes	0	0
Equity in (income) losses of subisidiaries	(516)	(446)
Other, net	0	0
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	0	0
Prepaid expenses and other assets	0	0
Accounts payable, accrued liabilities and other	(24)	18
Receivables from and payables to related parties	(7)	(7)
Net cash flows from operating activities	(524)	(480)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	0	0
Change in accrued expenses related to capital expenditures	0	0
Purchases of cable systems, net		0
Contribution to subsidiary	(22)	(987)
Distributions from subsidiary	879	487
Restricted cash in escrow - CCO Safari, LLC	0
Other, net	0	0
Net cash flows from investing activities	857	(500)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	0	2,000
Repayments of long-term debt	(350)	(955)
Borrowings (payments) loans payable - related parties		(93)
Payments for debt issuance costs		(25)
Purchase of treasury stock	0	0
Proceeds from exercise of options and warrants	0	0
Contributions from parent	22	54
Distributions to parent	(5)	(1)
Other, net	0	0
Net cash flows from financing activities	(333)	980
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	0	0
CASH AND CASH EQUIVALENTS, beginning of period	0	0
CASH AND CASH EQUIVALENTS, end of period	0	0
Charter Operating and Restricted Subsidiaries [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	548	481
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	1,568	1,354
Noncash interest expense	9	13
Loss on extinguishment of debt		58
(Gain) loss on derivative instruments, net	3	(9)
Deferred income taxes	0	2
Equity in (income) losses of subisidiaries	7	0
Other, net	43	70
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	(35)	12
Prepaid expenses and other assets	(18)	(13)
Accounts payable, accrued liabilities and other	88	81
Receivables from and payables to related parties	47	(6)
Net cash flows from operating activities	2,260	2,043
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(1,678)	(1,259)
Change in accrued expenses related to capital expenditures	31	21
Purchases of cable systems, net		(673)
Contribution to subsidiary	(30)	0
Distributions from subsidiary	0	0
Restricted cash in escrow - CCO Safari, LLC	0
Other, net	0	(15)
Net cash flows from investing activities	(1,677)	(1,926)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	1,431	4,569
Repayments of long-term debt	(1,164)	(5,222)
Borrowings (payments) loans payable - related parties		93
Payments for debt issuance costs	0	(25)
Purchase of treasury stock	0	0
Proceeds from exercise of options and warrants	0	0
Contributions from parent	22	987
Distributions to parent	(879)	(487)
Other, net	(2)	(1)
Net cash flows from financing activities	(592)	(86)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(9)	31
CASH AND CASH EQUIVALENTS, beginning of period	16	6
CASH AND CASH EQUIVALENTS, end of period	7	37
Unrestricted Subisidiary – CCO Safari [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	(7)	0
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	0	0
Noncash interest expense	0	0
Loss on extinguishment of debt		0
(Gain) loss on derivative instruments, net	0	0
Deferred income taxes	0	0
Equity in (income) losses of subisidiaries	0	0
Other, net	0	0
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	0	0
Prepaid expenses and other assets	0	0
Accounts payable, accrued liabilities and other	11	0
Receivables from and payables to related parties	0	0
Net cash flows from operating activities	4	0
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	0	0
Change in accrued expenses related to capital expenditures	0	0
Purchases of cable systems, net		0
Contribution to subsidiary	0	0
Distributions from subsidiary	0	0
Restricted cash in escrow - CCO Safari, LLC	(3,513)
Other, net	0	0
Net cash flows from investing activities	(3,513)	0
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	3,483	0
Repayments of long-term debt	0	0
Borrowings (payments) loans payable - related parties		0
Payments for debt issuance costs	(4)	0
Purchase of treasury stock	0	0
Proceeds from exercise of options and warrants	0	0
Contributions from parent	30	0
Distributions to parent	0	0
Other, net	0	0
Net cash flows from financing activities	3,509	0
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	0	0
CASH AND CASH EQUIVALENTS, beginning of period	0	0
CASH AND CASH EQUIVALENTS, end of period	0	0
Eliminations [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	(552)	(215)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	0	0
Noncash interest expense	0	0
Loss on extinguishment of debt		0
(Gain) loss on derivative instruments, net	0	0
Deferred income taxes	0	0
Equity in (income) losses of subisidiaries	552	215
Other, net	0	0
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	0	0
Prepaid expenses and other assets	0	0
Accounts payable, accrued liabilities and other	0	0
Receivables from and payables to related parties	0	0
Net cash flows from operating activities	0	0
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	0	0
Change in accrued expenses related to capital expenditures	0	0
Purchases of cable systems, net		0
Contribution to subsidiary	211	1,365
Distributions from subsidiary	(914)	(493)
Restricted cash in escrow - CCO Safari, LLC	0
Other, net	0	0
Net cash flows from investing activities	(703)	872
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	0	0
Repayments of long-term debt	0	0
Borrowings (payments) loans payable - related parties		0
Payments for debt issuance costs	0	0
Purchase of treasury stock	0	0
Proceeds from exercise of options and warrants	0	0
Contributions from parent	(211)	(1,365)
Distributions to parent	914	493
Other, net	0	0
Net cash flows from financing activities	703	(872)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	0	0
CASH AND CASH EQUIVALENTS, beginning of period	0	0
CASH AND CASH EQUIVALENTS, end of period	$ 0	$ 0