Condensed Consolidating Balance Sheets (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 3	$ 21	$ 7	$ 2
Accounts receivable, net	285	234
Receivables from related party	0	0
Prepaid expenses and other current assets	83	67
Total current assets	371	322
RESTRICTED CASH AND CASH EQUIVALENTS	7,111	0
INVESTMENT IN CABLE PROPERTIES:
Property, plant and equipment, net	8,373	7,981
Franchises	6,006	6,009
Customer relationships, net	1,105	1,389
Goodwill	1,168	1,177
Total investment in cable properties, net	16,652	16,556
CC VIII PREFERRED INTEREST	0	0
INVESTMENT IN SUBSIDIARIES	0	0
LOANS RECEIVABLE - RELATED PARTY	0	0
OTHER NONCURRENT ASSETS	416	417
Total assets	24,550	17,295
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	1,635	1,467
Payables to related party	0	0
Total current liabilities	1,635	1,467
LONG-TERM DEBT	21,023	14,181
LOANS PAYABLE - RELATED PARTY	0	0
DEFERRED INCOME TAXES	1,674	1,431
OTHER LONG-TERM LIABILITIES	72	65
Shareholders'/Member's equity	146	151
Non-controlling interest	0	0
Total shareholders'/member's equity	146	151	149	409
Total liabilities and shareholders'/member's equity	24,550	17,295
Charter [Member]
CURRENT ASSETS:
Cash and cash equivalents	3	0	1	0
Accounts receivable, net	4	4
Receivables from related party	55	54
Prepaid expenses and other current assets	23	14
Total current assets	85	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	1,509	1,295
LOANS RECEIVABLE - RELATED PARTY	0	0
OTHER NONCURRENT ASSETS	0	0
Total assets	1,594	1,367
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	11	12
Payables to related party	0	0
Total current liabilities	11	12
LONG-TERM DEBT	0	0
LOANS PAYABLE - RELATED PARTY	0	0
DEFERRED INCOME TAXES	1,437	1,204
OTHER LONG-TERM LIABILITIES	0	0
Shareholders'/Member's equity	146	151
Non-controlling interest	0	0
Total shareholders'/member's equity	146	151
Total liabilities and shareholders'/member's equity	1,594	1,367
Intermediate Holding Companies [Member]
CURRENT ASSETS:
Cash and cash equivalents	0	5	0	0
Accounts receivable, net	6	4
Receivables from related party	221	170
Prepaid expenses and other current assets	10	10
Total current assets	237	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	436	392
INVESTMENT IN SUBSIDIARIES	482	325
LOANS RECEIVABLE - RELATED PARTY	326	318
OTHER NONCURRENT ASSETS	166	160
Total assets	1,676	1,414
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	152	113
Payables to related party	0	0
Total current liabilities	152	113
LONG-TERM DEBT	0	0
LOANS PAYABLE - RELATED PARTY	0	0
DEFERRED INCOME TAXES	0	0
OTHER LONG-TERM LIABILITIES	15	6
Shareholders'/Member's equity	1,509	1,295
Non-controlling interest	0	0
Total shareholders'/member's equity	1,509	1,295
Total liabilities and shareholders'/member's equity	1,676	1,414
CCOH Safari, LLC [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	3,597
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	3	0
Total assets	3,600	0
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	18	0
Payables to related party	0	0
Total current liabilities	18	0
LONG-TERM DEBT	3,500	0
LOANS PAYABLE - RELATED PARTY	112	0
DEFERRED INCOME TAXES	0	0
OTHER LONG-TERM LIABILITIES	0	0
Shareholders'/Member's equity	(30)	0
Non-controlling interest	0	0
Total shareholders'/member's equity	(30)	0
Total liabilities and shareholders'/member's equity	3,600	0
CCO Holdings [Member]
CURRENT ASSETS:
Cash and cash equivalents	0	0	0	2
Accounts receivable, net	0	0
Receivables from related party	11	11
Prepaid expenses and other current assets	0	0
Total current assets	11	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	10,331	10,592
LOANS RECEIVABLE - RELATED PARTY	584	461
OTHER NONCURRENT ASSETS	104	119
Total assets	11,030	11,183
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	187	187
Payables to related party	0	0
Total current liabilities	187	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	512	325
Non-controlling interest	0	0
Total shareholders'/member's equity	512	325
Total liabilities and shareholders'/member's equity	11,030	11,183
Charter Operating and Subsidiaries [Member]
CURRENT ASSETS:
Cash and cash equivalents	0	16	6	0
Accounts receivable, net	275	226
Receivables from related party	0	0
Prepaid expenses and other current assets	50	43
Total current assets	325	285
RESTRICTED CASH AND CASH EQUIVALENTS	0
INVESTMENT IN CABLE PROPERTIES:
Property, plant and equipment, net	8,344	7,951
Franchises	6,006	6,009
Customer relationships, net	1,105	1,389
Goodwill	1,168	1,177
Total investment in cable properties, net	16,623	16,526
CC VIII PREFERRED INTEREST	0	0
INVESTMENT IN SUBSIDIARIES	27	0
LOANS RECEIVABLE - RELATED PARTY	0	0
OTHER NONCURRENT ASSETS	139	138
Total assets	17,114	16,949
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	1,259	1,155
Payables to related party	287	235
Total current liabilities	1,546	1,390
LONG-TERM DEBT	3,709	3,510
LOANS PAYABLE - RELATED PARTY	798	779
DEFERRED INCOME TAXES	237	227
OTHER LONG-TERM LIABILITIES	57	59
Shareholders'/Member's equity	10,331	10,592
Non-controlling interest	436	392
Total shareholders'/member's equity	10,767	10,984
Total liabilities and shareholders'/member's equity	17,114	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	3,514
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	3,518	0
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	8	0
Payables to related party	0	0
Total current liabilities	8	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	27	0
Non-controlling interest	0	0
Total shareholders'/member's equity	27	0
Total liabilities and shareholders'/member's equity	3,518	0
Eliminations [Member]
CURRENT ASSETS:
Cash and cash equivalents	0	0	0	0
Accounts receivable, net	0	0
Receivables from related party	(287)	(235)
Prepaid expenses and other current assets	0	0
Total current assets	(287)	(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	(436)	(392)
INVESTMENT IN SUBSIDIARIES	(12,349)	(12,212)
LOANS RECEIVABLE - RELATED PARTY	(910)	(779)
OTHER NONCURRENT ASSETS	0	0
Total assets	(13,982)	(13,618)
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	0	0
Payables to related party	(287)	(235)
Total current liabilities	(287)	(235)
LONG-TERM DEBT	0	0
LOANS PAYABLE - RELATED PARTY	(910)	(779)
DEFERRED INCOME TAXES	0	0
OTHER LONG-TERM LIABILITIES	0	0
Shareholders'/Member's equity	(12,349)	(12,212)
Non-controlling interest	(436)	(392)
Total shareholders'/member's equity	(12,785)	(12,604)
Total liabilities and shareholders'/member's equity	$ (13,982)	$ (13,618)