CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 4	$ 2
Restricted cash and cash equivalents	27	27
Accounts receivable, less allowance for doubtful accounts of $13 and $16, respectively	231	272
Prepaid expenses and other current assets	76	69
Total current assets	338	370
INVESTMENT IN CABLE PROPERTIES:
Property, plant and equipment, net of accumulated depreciation of $2,682 and $2,364, respectively	6,906	6,897
Franchises	5,291	5,288
Customer relationships, net	1,634	1,704
Goodwill	954	954
Total investment in cable properties, net	14,785	14,843
OTHER NONCURRENT ASSETS	396	392
Total assets	15,519	15,605
CURRENT LIABILITIES:
Accounts payable and accrued expenses	1,140	1,153
Total current liabilities	1,140	1,153
LONG-TERM DEBT	12,802	12,856
DEFERRED INCOME TAXES	917	847
OTHER LONG-TERM LIABILITIES	334	340
SHAREHOLDERS' EQUITY:
Preferred stock; $.001 par value; 250 million shares authorized; no non-redeemable shares issued and outstanding	0	0
Additional paid-in capital	1,568	1,556
Accumulated deficit	(1,178)	(1,082)
Treasury stock at cost; 5,358 and 0 shares, respectively	0	0
Accumulated other comprehensive loss	(64)	(65)
Total shareholders' equity	326	409
Total liabilities and shareholders' equity	15,519	15,605
Class A Common Stock [Member]
SHAREHOLDERS' EQUITY:
Common stock	0	0
Class B Common Stock [Member]
SHAREHOLDERS' EQUITY:
Common stock	$ 0	$ 0