Condensed Consolidating Balance Sheets (Details) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
CURRENT ASSETS:
Cash and cash equivalents	$ 0	$ 3	$ 10	$ 21
Accounts receivable, net	292	285
Receivables from related party	0	0
Prepaid expenses and other current assets	114	83
Total current assets	406	371
RESTRICTED CASH AND CASH EQUIVALENTS	19,626	7,111
INVESTMENT IN CABLE PROPERTIES:
Property, plant and equipment, net	8,281	8,373
Franchises	6,006	6,006
Customer relationships, net	916	1,105
Goodwill	1,168	1,168
Total investment in cable properties, net	16,371	16,652
PREFERRED INTEREST IN CC VIII	0	0
INVESTMENT IN SUBSIDIARIES	0	0
LOANS RECEIVABLE - RELATED PARTY	0	0
OTHER NONCURRENT ASSETS	470	416
Total assets	36,873	24,550
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	1,829	1,635
Payables to related party	0	0
Total current liabilities	1,829	1,635
LONG-TERM DEBT	33,281	21,023
LOANS PAYABLE - RELATED PARTY	0	0
DEFERRED INCOME TAXES	1,616	1,674
OTHER LONG-TERM LIABILITIES	87	72
Shareholders'/Members' equity (deficit)	60	146
Noncontrolling interest	0	0
Total shareholders'/members' equity (deficit)	60	146
Total liabilities and shareholders'/members' equity (deficit)	36,873	24,550
Charter [Member]
CURRENT ASSETS:
Cash and cash equivalents	0	3	3	0
Accounts receivable, net	8	4
Receivables from related party	48	55
Prepaid expenses and other current assets	37	23
Total current assets	93	85
RESTRICTED CASH AND CASH EQUIVALENTS	0	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
PREFERRED INTEREST IN CC VIII	0	0
INVESTMENT IN SUBSIDIARIES	1,564	1,509
LOANS RECEIVABLE - RELATED PARTY	0	0
OTHER NONCURRENT ASSETS	0	0
Total assets	1,657	1,594
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	8	11
Payables to related party	0	0
Total current liabilities	8	11
LONG-TERM DEBT	0	0
LOANS PAYABLE - RELATED PARTY	0	0
DEFERRED INCOME TAXES	1,589	1,437
OTHER LONG-TERM LIABILITIES	0	0
Shareholders'/Members' equity (deficit)	60	146
Noncontrolling interest	0	0
Total shareholders'/members' equity (deficit)	60	146
Total liabilities and shareholders'/members' equity (deficit)	1,657	1,594
Intermediate Holding Companies [Member]
CURRENT ASSETS:
Cash and cash equivalents	0	0	0	5
Accounts receivable, net	5	6
Receivables from related party	268	221
Prepaid expenses and other current assets	8	10
Total current assets	281	237
RESTRICTED CASH AND CASH EQUIVALENTS	0	0
INVESTMENT IN CABLE PROPERTIES:
Property, plant and equipment, net	28	29
Franchises	0	0
Customer relationships, net	0	0
Goodwill	0	0
Total investment in cable properties, net	28	29
PREFERRED INTEREST IN CC VIII	470	436
INVESTMENT IN SUBSIDIARIES	441	482
LOANS RECEIVABLE - RELATED PARTY	333	326
OTHER NONCURRENT ASSETS	220	166
Total assets	1,773	1,676
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	180	152
Payables to related party	0	0
Total current liabilities	180	152
LONG-TERM DEBT	0	0
LOANS PAYABLE - RELATED PARTY	0	0
DEFERRED INCOME TAXES	0	0
OTHER LONG-TERM LIABILITIES	29	15
Shareholders'/Members' equity (deficit)	1,564	1,509
Noncontrolling interest	0	0
Total shareholders'/members' equity (deficit)	1,564	1,509
Total liabilities and shareholders'/members' equity (deficit)	1,773	1,676
Safari Escrow Entities [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	19,626	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
PREFERRED INTEREST IN CC VIII	0	0
INVESTMENT IN SUBSIDIARIES	0	0
LOANS RECEIVABLE - RELATED PARTY	0	0
OTHER NONCURRENT ASSETS	11	3
Total assets	19,637	3,600
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	159	18
Payables to related party	18	0
Total current liabilities	177	18
LONG-TERM DEBT	19,291	3,500
LOANS PAYABLE - RELATED PARTY	429	112
DEFERRED INCOME TAXES	0	0
OTHER LONG-TERM LIABILITIES	0	0
Shareholders'/Members' equity (deficit)	(260)	(30)
Noncontrolling interest	0	0
Total shareholders'/members' equity (deficit)	(260)	(30)
Total liabilities and shareholders'/members' equity (deficit)	19,637	3,600
CCO Holdings [Member]
CURRENT ASSETS:
Cash and cash equivalents	0	0	0	0
Accounts receivable, net	0	0
Receivables from related party	10	11
Prepaid expenses and other current assets	0	0
Total current assets	10	11
RESTRICTED CASH AND CASH EQUIVALENTS	0	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
PREFERRED INTEREST IN CC VIII	0	0
INVESTMENT IN SUBSIDIARIES	10,714	10,331
LOANS RECEIVABLE - RELATED PARTY	579	584
OTHER NONCURRENT ASSETS	97	104
Total assets	11,400	11,030
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	163	187
Payables to related party	0	0
Total current liabilities	163	187
LONG-TERM DEBT	10,536	10,331
LOANS PAYABLE - RELATED PARTY	0	0
DEFERRED INCOME TAXES	0	0
OTHER LONG-TERM LIABILITIES	0	0
Shareholders'/Members' equity (deficit)	701	512
Noncontrolling interest	0	0
Total shareholders'/members' equity (deficit)	701	512
Total liabilities and shareholders'/members' equity (deficit)	11,400	11,030
Charter Operating and Restricted Subsidiaries [Member]
CURRENT ASSETS:
Cash and cash equivalents	0	0	7	16
Accounts receivable, net	279	275
Receivables from related party	0	0
Prepaid expenses and other current assets	69	50
Total current assets	348	325
RESTRICTED CASH AND CASH EQUIVALENTS	0	0
INVESTMENT IN CABLE PROPERTIES:
Property, plant and equipment, net	8,253	8,344
Franchises	6,006	6,006
Customer relationships, net	916	1,105
Goodwill	1,168	1,168
Total investment in cable properties, net	16,343	16,623
PREFERRED INTEREST IN CC VIII	0	0
INVESTMENT IN SUBSIDIARIES	0	27
LOANS RECEIVABLE - RELATED PARTY	333	0
OTHER NONCURRENT ASSETS	142	139
Total assets	17,166	17,114
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	1,319	1,259
Payables to related party	308	287
Total current liabilities	1,627	1,546
LONG-TERM DEBT	3,454	3,709
LOANS PAYABLE - RELATED PARTY	816	798
DEFERRED INCOME TAXES	27	237
OTHER LONG-TERM LIABILITIES	58	57
Shareholders'/Members' equity (deficit)	10,714	10,331
Noncontrolling interest	470	436
Total shareholders'/members' equity (deficit)	11,184	10,767
Total liabilities and shareholders'/members' equity (deficit)	17,166	17,114
Unrestricted Subsidiary – 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	0	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
PREFERRED INTEREST IN CC VIII	0	0
INVESTMENT IN SUBSIDIARIES	0	0
LOANS RECEIVABLE - RELATED PARTY	0	0
OTHER NONCURRENT ASSETS	0	4
Total assets	0	3,518
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	0	8
Payables to related party	0	0
Total current liabilities	0	8
LONG-TERM DEBT	0	3,483
LOANS PAYABLE - RELATED PARTY	0	0
DEFERRED INCOME TAXES	0	0
OTHER LONG-TERM LIABILITIES	0	0
Shareholders'/Members' equity (deficit)	0	27
Noncontrolling interest	0	0
Total shareholders'/members' equity (deficit)	0	27
Total liabilities and shareholders'/members' equity (deficit)	0	3,518
Eliminations [Member]
CURRENT ASSETS:
Cash and cash equivalents	0	0	$ 0	$ 0
Accounts receivable, net	0	0
Receivables from related party	(326)	(287)
Prepaid expenses and other current assets	0	0
Total current assets	(326)	(287)
RESTRICTED CASH AND CASH EQUIVALENTS	0	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
PREFERRED INTEREST IN CC VIII	(470)	(436)
INVESTMENT IN SUBSIDIARIES	(12,719)	(12,349)
LOANS RECEIVABLE - RELATED PARTY	(1,245)	(910)
OTHER NONCURRENT ASSETS	0	0
Total assets	(14,760)	(13,982)
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	0	0
Payables to related party	(326)	(287)
Total current liabilities	(326)	(287)
LONG-TERM DEBT	0	0
LOANS PAYABLE - RELATED PARTY	(1,245)	(910)
DEFERRED INCOME TAXES	0	0
OTHER LONG-TERM LIABILITIES	0	0
Shareholders'/Members' equity (deficit)	(12,719)	(12,349)
Noncontrolling interest	(470)	(436)
Total shareholders'/members' equity (deficit)	(13,189)	(12,785)
Total liabilities and shareholders'/members' equity (deficit)	$ (14,760)	$ (13,982)