Condensed Consolidating Statements of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)	$ 54	$ (53)	$ (149)	$ (135)
Adjustments to reconcile consolidated net income (loss) to net cash flows from operating activities:
Depreciation and amortization	538	535	1,580	1,568
Noncash interest expense			21	29
Loss on extinguishment of debt	0	0	128	0
Loss on derivative instruments, net	5	(5)	10	3
Deferred income taxes			(76)	177
Equity in (income) loss of subsidiaries			0	0
Other, net			66	43
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable			(7)	(36)
Prepaid expenses and other assets			(19)	(21)
Accounts payable, accrued liabilities and other			194	101
Receivables from and payables to related party			0	0
Net cash flows from operating activities			1,748	1,729
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment			(1,292)	(1,678)
Change in accrued expenses related to capital expenditures			11	31
Contributions to subsidiaries			0	0
Distributions from subsidiaries			0	0
Change in restricted cash and cash equivalents			(12,515)	(3,513)
Other, net			(69)	(5)
Net cash flows from investing activities			(13,865)	(5,165)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt			23,062	4,914
Repayments of long-term debt			(10,911)	(1,514)
Borrowings (payments) loans payable - related parties			0
Payments for debt issuance costs			(35)	(4)
Purchase of treasury stock			(24)	(18)
Proceeds from exercise of options and warrants			22	43
Contributions from parent			0	0
Distributions to parent			0	0
Other, net			0	4
Net cash flows from financing activities			12,114	3,425
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS			(3)	(11)
CASH AND CASH EQUIVALENTS, beginning of period			3	21
CASH AND CASH EQUIVALENTS, end of period	0	10	0	10
Charter [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)			(149)	(135)
Adjustments to reconcile consolidated 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
Loss on derivative instruments, net			0	0
Deferred income taxes			140	177
Equity in (income) loss of subsidiaries			9	(40)
Other, net			0	0
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable			(4)	0
Prepaid expenses and other assets			0	0
Accounts payable, accrued liabilities and other			(3)	(2)
Receivables from and payables to related party			7	2
Net cash flows from operating activities			0	2
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment			0	0
Change in accrued expenses related to capital expenditures			0	0
Contributions to subsidiaries			(20)	(27)
Distributions from subsidiaries			19	5
Change in restricted cash and cash equivalents			0	0
Other, net			0	0
Net cash flows from investing activities			(1)	(22)
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			(24)	(18)
Proceeds from exercise of options and warrants			22	43
Contributions from parent			0	0
Distributions to parent			0	0
Other, net				(2)
Net cash flows from financing activities			(2)	23
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS			(3)	3
CASH AND CASH EQUIVALENTS, beginning of period			3	0
CASH AND CASH EQUIVALENTS, end of period	0	3	0	3
Intermediate Holding Companies [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)			(43)	8
Adjustments to reconcile consolidated 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
Loss on derivative instruments, net			0	0
Deferred income taxes			0	0
Equity in (income) loss of subsidiaries			45	(3)
Other, net			3	0
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable			2	(1)
Prepaid expenses and other assets			0	(3)
Accounts payable, accrued liabilities and other			41	28
Receivables from and payables to related party			(53)	(42)
Net cash flows from operating activities			(5)	(13)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment			0	0
Change in accrued expenses related to capital expenditures			0	0
Contributions to subsidiaries			(90)	(132)
Distributions from subsidiaries			330	30
Change in restricted cash and cash equivalents			0	0
Other, net			(54)	(5)
Net cash flows from investing activities			186	(107)
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			95	137
Distributions to parent			(276)	(30)
Other, net				8
Net cash flows from financing activities			(181)	115
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS			0	(5)
CASH AND CASH EQUIVALENTS, beginning of period			0	5
CASH AND CASH EQUIVALENTS, end of period	0	0	0	0
Safari Escrow Entities [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)			(230)	0
Adjustments to reconcile consolidated 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			2
Loss on derivative instruments, net			0	0
Deferred income taxes			0	0
Equity in (income) loss of subsidiaries			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			142	0
Receivables from and payables to related party			18	0
Net cash flows from operating activities			(68)	0
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment			0	0
Change in accrued expenses related to capital expenditures			0	0
Contributions to subsidiaries			0	0
Distributions from subsidiaries			0	0
Change in restricted cash and cash equivalents			(16,029)	0
Other, net			0	0
Net cash flows from investing activities			(16,029)	0
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt			19,291	0
Repayments of long-term debt			(3,500)	0
Borrowings (payments) loans payable - related parties			(317)
Payments for debt issuance costs			(11)	0
Purchase of treasury stock			0	0
Proceeds from exercise of options and warrants			0	0
Contributions from parent			0	0
Distributions to parent			0	0
Other, net				0
Net cash flows from financing activities			16,097	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	0	0
CCO Holdings [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)			185	3
Adjustments to reconcile consolidated net income (loss) to net cash flows from operating activities:
Depreciation and amortization			0	0
Noncash interest expense			12	20
Loss on extinguishment of debt			123
Loss on derivative instruments, net			0	0
Deferred income taxes			0	0
Equity in (income) loss of subsidiaries			(795)	(516)
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			(25)	(24)
Receivables from and payables to related party			(10)	(7)
Net cash flows from operating activities			(510)	(524)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment			0	0
Change in accrued expenses related to capital expenditures			0	0
Contributions to subsidiaries			(46)	(22)
Distributions from subsidiaries			521	879
Change in restricted cash and cash equivalents			0	0
Other, net			0	0
Net cash flows from investing activities			475	857
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt			2,700	0
Repayments of long-term debt			(2,599)	(350)
Borrowings (payments) loans payable - related parties			(16)
Payments for debt issuance costs			(24)	0
Purchase of treasury stock			0	0
Proceeds from exercise of options and warrants			0	0
Contributions from parent			15	22
Distributions to parent			(73)	(5)
Other, net				0
Net cash flows from financing activities			35	(333)
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	0	0
Charter Operating and Restricted Subsidiaries [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)			829	548
Adjustments to reconcile consolidated net income (loss) to net cash flows from operating activities:
Depreciation and amortization			1,580	1,568
Noncash interest expense			9	9
Loss on extinguishment of debt			0
Loss on derivative instruments, net			10	3
Deferred income taxes			(216)	0
Equity in (income) loss of subsidiaries			50	7
Other, net			63	43
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable			(5)	(35)
Prepaid expenses and other assets			(19)	(18)
Accounts payable, accrued liabilities and other			47	88
Receivables from and payables to related party			38	47
Net cash flows from operating activities			2,386	2,260
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment			(1,292)	(1,678)
Change in accrued expenses related to capital expenditures			11	31
Contributions to subsidiaries			(24)	(30)
Distributions from subsidiaries			$ 0	0
Change in restricted cash and cash equivalents				0
Other, net			$ (15)	0
Net cash flows from investing activities			(1,320)	(1,677)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt			1,071	1,431
Repayments of long-term debt			(1,329)	(1,164)
Borrowings (payments) loans payable - related parties			333
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			46	22
Distributions to parent			(521)	(879)
Other, net				(2)
Net cash flows from financing activities			(1,066)	(592)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS			0	(9)
CASH AND CASH EQUIVALENTS, beginning of period			0	16
CASH AND CASH EQUIVALENTS, end of period	0	7	0	7
Unrestricted Subsidiary – CCO Safari [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)			(50)	(7)
Adjustments to reconcile consolidated 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			3
Loss on derivative instruments, net			0	0
Deferred income taxes			0	0
Equity in (income) loss of subsidiaries			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			(8)	11
Receivables from and payables to related party			0	0
Net cash flows from operating activities			(55)	4
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment			0	0
Change in accrued expenses related to capital expenditures			0	0
Contributions to subsidiaries			0	0
Distributions from subsidiaries			0	0
Change in restricted cash and cash equivalents			3,514	(3,513)
Other, net			0	0
Net cash flows from investing activities			3,514	(3,513)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt			0	3,483
Repayments of long-term debt			(3,483)	0
Borrowings (payments) loans payable - related parties			0
Payments for debt issuance costs			0	(4)
Purchase of treasury stock			0	0
Proceeds from exercise of options and warrants			0	0
Contributions from parent			24	30
Distributions to parent			0	0
Other, net				0
Net cash flows from financing activities			(3,459)	3,509
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	0	0
Eliminations [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net income (loss)			(691)	(552)
Adjustments to reconcile consolidated 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
Loss on derivative instruments, net			0	0
Deferred income taxes			0	0
Equity in (income) loss of subsidiaries			691	552
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 party			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
Contributions to subsidiaries			180	211
Distributions from subsidiaries			(870)	(914)
Change in restricted cash and cash equivalents			0	0
Other, net			0	0
Net cash flows from investing activities			(690)	(703)
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			(180)	(211)
Distributions to parent			870	914
Other, net				0
Net cash flows from financing activities			690	703
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	$ 0	$ 0