Condensed Consolidating Balance Sheets (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 10	$ 21	$ 41	$ 7
Accounts receivable, net	270	234
Receivables from related party	0	0
Prepaid expenses and other current assets	90	67
Total current assets	370	322
RESTRICTED CASH AND CASH EQUIVALENTS	3,513	0
INVESTMENT IN CABLE PROPERTIES:
Property, plant and equipment, net	8,305	7,981
Franchises	6,009	6,009
Customer relationships, net	1,175	1,389
Goodwill	1,170	1,177
Total investment in cable properties, net	16,659	16,556
CC VIII PREFERRED INTEREST	0	0
INVESTMENT IN SUBSIDIARIES	0	0
LOANS RECEIVABLE - RELATED PARTY	0	0
OTHER NONCURRENT ASSETS	408	417
Total assets	20,950	17,295
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	1,586	1,467
Payables to related party	0	0
Total current liabilities	1,586	1,467
LONG-TERM DEBT	17,595	14,181
LOANS PAYABLE - RELATED PARTY	0	0
DEFERRED INCOME TAXES	1,610	1,431
OTHER LONG-TERM LIABILITIES	62	65
Shareholders'/Member's equity	97	151
Noncontrolling interest	0	0
Total shareholders'/member's equity	97	151
Total liabilities and shareholders'/member's equity	20,950	17,295
Charter [Member]
CURRENT ASSETS:
Cash and cash equivalents	3	0	4	1
Accounts receivable, net	3	4
Receivables from related party	52	54
Prepaid expenses and other current assets	18	14
Total current assets	76	72
RESTRICTED CASH AND CASH EQUIVALENTS	0
INVESTMENT IN CABLE PROPERTIES:
Property, plant and equipment, net	0	0
Franchises	0	0
Customer relationships, net	0	0
Goodwill	0	0
Total investment in cable properties, net	0	0
CC VIII PREFERRED INTEREST	0	0
INVESTMENT IN SUBSIDIARIES	1,413	1,295
LOANS RECEIVABLE - RELATED PARTY	0	0
OTHER NONCURRENT ASSETS	0	0
Total assets	1,489	1,367
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	9	12
Payables to related party	0	0
Total current liabilities	9	12
LONG-TERM DEBT	0	0
LOANS PAYABLE - RELATED PARTY	0	0
DEFERRED INCOME TAXES	1,383	1,204
OTHER LONG-TERM LIABILITIES	0	0
Shareholders'/Member's equity	97	151
Noncontrolling interest	0	0
Total shareholders'/member's equity	97	151
Total liabilities and shareholders'/member's equity	1,489	1,367
Intermediate Holding Companies [Member]
CURRENT ASSETS:
Cash and cash equivalents	0	5	0	0
Accounts receivable, net	5	4
Receivables from related party	205	170
Prepaid expenses and other current assets	13	10
Total current assets	223	189
RESTRICTED CASH AND CASH EQUIVALENTS	0
INVESTMENT IN CABLE PROPERTIES:
Property, plant and equipment, net	29	30
Franchises	0	0
Customer relationships, net	0	0
Goodwill	0	0
Total investment in cable properties, net	29	30
CC VIII PREFERRED INTEREST	424	392
INVESTMENT IN SUBSIDIARIES	401	325
LOANS RECEIVABLE - RELATED PARTY	326	318
OTHER NONCURRENT ASSETS	164	160
Total assets	1,567	1,414
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	140	113
Payables to related party	0	0
Total current liabilities	140	113
LONG-TERM DEBT	0	0
LOANS PAYABLE - RELATED PARTY	0	0
DEFERRED INCOME TAXES	0	0
OTHER LONG-TERM LIABILITIES	14	6
Shareholders'/Member's equity	1,413	1,295
Noncontrolling interest	0	0
Total shareholders'/member's equity	1,413	1,295
Total liabilities and shareholders'/member's equity	1,567	1,414
CCO Holdings [Member]
CURRENT ASSETS:
Cash and cash equivalents	0	0	0	0
Accounts receivable, net	0	0
Receivables from related party	8	11
Prepaid expenses and other current assets	0	0
Total current assets	8	11
RESTRICTED CASH AND CASH EQUIVALENTS	0
INVESTMENT IN CABLE PROPERTIES:
Property, plant and equipment, net	0	0
Franchises	0	0
Customer relationships, net	0	0
Goodwill	0	0
Total investment in cable properties, net	0	0
CC VIII PREFERRED INTEREST	0	0
INVESTMENT IN SUBSIDIARIES	10,307	10,592
LOANS RECEIVABLE - RELATED PARTY	472	461
OTHER NONCURRENT ASSETS	108	119
Total assets	10,895	11,183
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	163	187
Payables to related party	0	0
Total current liabilities	163	187
LONG-TERM DEBT	10,331	10,671
LOANS PAYABLE - RELATED PARTY	0	0
DEFERRED INCOME TAXES	0	0
OTHER LONG-TERM LIABILITIES	0	0
Shareholders'/Member's equity	401	325
Noncontrolling interest	0	0
Total shareholders'/member's equity	401	325
Total liabilities and shareholders'/member's equity	10,895	11,183
Charter Operating and Restricted Subsidiaries [Member]
CURRENT ASSETS:
Cash and cash equivalents	7	16	37	6
Accounts receivable, net	262	226
Receivables from related party	0	0
Prepaid expenses and other current assets	59	43
Total current assets	328	285
RESTRICTED CASH AND CASH EQUIVALENTS	0
INVESTMENT IN CABLE PROPERTIES:
Property, plant and equipment, net	8,276	7,951
Franchises	6,009	6,009
Customer relationships, net	1,175	1,389
Goodwill	1,170	1,177
Total investment in cable properties, net	16,630	16,526
CC VIII PREFERRED INTEREST	0	0
INVESTMENT IN SUBSIDIARIES	23	0
LOANS RECEIVABLE - RELATED PARTY	0	0
OTHER NONCURRENT ASSETS	132	138
Total assets	17,113	16,949
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	1,263	1,155
Payables to related party	265	235
Total current liabilities	1,528	1,390
LONG-TERM DEBT	3,781	3,510
LOANS PAYABLE - RELATED PARTY	798	779
DEFERRED INCOME TAXES	227	227
OTHER LONG-TERM LIABILITIES	48	59
Shareholders'/Member's equity	10,307	10,592
Noncontrolling interest	424	392
Total shareholders'/member's equity	10,731	10,984
Total liabilities and shareholders'/member's equity	17,113	16,949
Unrestricted Subisidiary – CCO Safari [Member]
CURRENT ASSETS:
Cash and cash equivalents	0	0	0	0
Accounts receivable, net	0	0
Receivables from related party	0	0
Prepaid expenses and other current assets	0	0
Total current assets	0	0
RESTRICTED CASH AND CASH EQUIVALENTS	3,513
INVESTMENT IN CABLE PROPERTIES:
Property, plant and equipment, net	0	0
Franchises	0	0
Customer relationships, net	0	0
Goodwill	0	0
Total investment in cable properties, net	0	0
CC VIII PREFERRED INTEREST	0	0
INVESTMENT IN SUBSIDIARIES	0	0
LOANS RECEIVABLE - RELATED PARTY	0	0
OTHER NONCURRENT ASSETS	4	0
Total assets	3,517	0
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	11	0
Payables to related party	0	0
Total current liabilities	11	0
LONG-TERM DEBT	3,483	0
LOANS PAYABLE - RELATED PARTY	0	0
DEFERRED INCOME TAXES	0	0
OTHER LONG-TERM LIABILITIES	0	0
Shareholders'/Member's equity	23	0
Noncontrolling interest	0	0
Total shareholders'/member's equity	23	0
Total liabilities and shareholders'/member's equity	3,517	0
Eliminations [Member]
CURRENT ASSETS:
Cash and cash equivalents	0	0	0	0
Accounts receivable, net	0	0
Receivables from related party	(265)	(235)
Prepaid expenses and other current assets	0	0
Total current assets	(265)	(235)
RESTRICTED CASH AND CASH EQUIVALENTS	0
INVESTMENT IN CABLE PROPERTIES:
Property, plant and equipment, net	0	0
Franchises	0	0
Customer relationships, net	0	0
Goodwill	0	0
Total investment in cable properties, net	0	0
CC VIII PREFERRED INTEREST	(424)	(392)
INVESTMENT IN SUBSIDIARIES	(12,144)	(12,212)
LOANS RECEIVABLE - RELATED PARTY	(798)	(779)
OTHER NONCURRENT ASSETS	0	0
Total assets	(13,631)	(13,618)
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	0	0
Payables to related party	(265)	(235)
Total current liabilities	(265)	(235)
LONG-TERM DEBT	0	0
LOANS PAYABLE - RELATED PARTY	(798)	(779)
DEFERRED INCOME TAXES	0	0
OTHER LONG-TERM LIABILITIES	0	0
Shareholders'/Member's equity	(12,144)	(12,212)
Noncontrolling interest	(424)	(392)
Total shareholders'/member's equity	(12,568)	(12,604)
Total liabilities and shareholders'/member's equity	$ (13,631)	$ (13,618)