CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES [Abstract]
Net loss	$ (135)	$ (208)
Adjustments to reconcile net 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
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
Net cash flows from operating activities	1,729	1,563
CASH FLOWS FROM INVESTING ACTIVITIES [Abstract]
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)
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 [Abstract]
Borrowings of long-term debt	4,914	6,569
Repayments of long-term debt	(1,514)	(6,177)
Payments for debt issuance costs	(4)	(50)
Purchase of treasury stock	(18)	(11)
Proceeds from exercise of options and warrants	43	67
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
Cash Paid for Interest	$ 624	$ 584