Guarantor Subsidiaries (Schedule Of Guarantor Obligations, Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2010
Cash and cash equivalents	$ 1,296,643	$ 1,228,682	$ 1,165,381	$ 1,920,926
Accounts receivable, net of allowance	1,405,259	1,399,135
Other current assets	365,508	357,468
Total Current Assets	3,067,410	2,985,285
Property, plant and equipment, net	3,006,451	3,063,327
Definite-lived intangibles, net	1,811,676	2,017,760
Indefinite-lived intangible - licenses	3,519,970	3,517,071
Goodwill	4,195,856	4,186,718		4,119,326
Other assets	800,956	771,878
Total Assets	16,402,319	16,542,039
Accounts payable and accrued expenses	841,907	856,727
Accrued interest	77,186	160,361
Current portion of long-term debt	419,880	268,638
Deferred income	176,979	143,236
Other current liabilities	102,154	0
Total Current Liabilities	1,618,106	1,428,962
Long-term debt	20,317,926	19,938,531
Deferred income taxes	1,815,032	1,938,599
Other long-term liabilities	498,592	707,888
Total member's interest (deficit)	(7,847,337)	(7,471,941)	(7,456,027)	(7,204,686)
Total Liabilities and Member's Deficit	16,402,319	16,542,039
Parent Company [Member]
Cash and cash equivalents	0
Accounts receivable, net of allowance	0
Intercompany receivables	32,686	30,270
Other current assets	4,808	2,251
Total Current Assets	37,494	32,521
Property, plant and equipment, net	0
Definite-lived intangibles, net	0
Indefinite-lived intangible - licenses	0
Indefinite-lived intangibles - permits	0
Goodwill	0
Intercompany notes receivable	0
Long-term intercompany notes receivable	0
Investment in subsidiaries	(8,450,651)	(8,342,987)
Other assets	0
Total Assets	(8,413,157)	(8,310,466)
Accounts payable and accrued expenses	(1,144)	(641)
Accrued interest	0
Intercompany payable	0
Current portion of long-term debt	0
Deferred income	0
Other current liabilities	0
Total Current Liabilities	(1,144)	(641)
Long-term debt	0
Long-term intercompany payable	0
Intercompany long-term debt	0
Deferred income taxes	(14,290)	(13,845)
Other long-term liabilities	0
Total member's interest (deficit)	(8,397,723)	(8,295,980)
Total Liabilities and Member's Deficit	(8,413,157)	(8,310,466)
Subsidiary Issuer [Member]
Cash and cash equivalents	1	1	1	1
Accounts receivable, net of allowance	0
Intercompany receivables	4,283,900	4,824,634
Other current assets	40,162	46,018
Total Current Assets	4,324,063	4,870,653
Property, plant and equipment, net	0
Definite-lived intangibles, net	0
Indefinite-lived intangible - licenses	0
Indefinite-lived intangibles - permits	0
Goodwill	0
Intercompany notes receivable	962,000	962,000
Long-term intercompany notes receivable	0
Investment in subsidiaries	3,768,444	5,234,229
Other assets	126,282	167,337
Total Assets	9,180,789	11,234,219
Accounts payable and accrued expenses	(103,198)	(61,478)
Accrued interest	86,027	189,144
Intercompany payable
Current portion of long-term debt	400,170	243,927
Deferred income	0
Other current liabilities	102,154
Total Current Liabilities	485,153	371,593
Long-term debt	16,469,044	18,305,183
Long-term intercompany payable	723,311	655,930
Intercompany long-term debt	0
Deferred income taxes	(74,662)	39,173
Other long-term liabilities	28,594	205,327
Total member's interest (deficit)	(8,450,651)	(8,342,987)
Total Liabilities and Member's Deficit	9,180,789	11,234,219
Guarantor Subsidiaries [Member]
Cash and cash equivalents	431,228	461,572	305,135	1,220,362
Accounts receivable, net of allowance	712,900	694,548
Intercompany receivables	247,556
Other current assets	100,459	107,564
Total Current Assets	1,492,143	1,263,684
Property, plant and equipment, net	808,450	815,245
Definite-lived intangibles, net	1,229,404	1,389,935
Indefinite-lived intangible - licenses	2,413,171	2,411,367
Indefinite-lived intangibles - permits	0
Goodwill	3,335,479	3,325,771
Intercompany notes receivable	0
Long-term intercompany notes receivable	0
Investment in subsidiaries	671,929	2,844,451
Other assets	307,422	254,435
Total Assets	10,257,998	12,304,888
Accounts payable and accrued expenses	345,442	292,368
Accrued interest	0	(1)
Intercompany payable	4,412,200	4,743,944
Current portion of long-term debt	0	905
Deferred income	65,746	50,416
Other current liabilities	0
Total Current Liabilities	4,823,388	5,087,632
Long-term debt	4,000	3,321
Long-term intercompany payable	0	110
Intercompany long-term debt	962,000	962,000
Deferred income taxes	1,075,945	1,055,533
Other long-term liabilities	181,241	220,546
Total member's interest (deficit)	3,211,424	4,975,746
Total Liabilities and Member's Deficit	10,257,998	12,304,888
Non-Guarantor Subsidiaries [Member]
Cash and cash equivalents	865,414	767,109	860,245	700,563
Accounts receivable, net of allowance	692,359	704,587
Intercompany receivables	0
Other current assets	397,368	277,695
Total Current Assets	1,955,141	1,749,391
Property, plant and equipment, net	2,198,001	2,248,082
Definite-lived intangibles, net	582,272	627,825
Indefinite-lived intangible - licenses	0
Indefinite-lived intangibles - permits	1,106,799	1,105,704
Goodwill	860,377	860,947
Intercompany notes receivable
Long-term intercompany notes receivable	723,311	656,040
Investment in subsidiaries	0
Other assets	831,068	907,567
Total Assets	8,256,969	8,155,556
Accounts payable and accrued expenses	600,807	626,478
Accrued interest	2,370	2,277
Intercompany payable	151,942	110,960
Current portion of long-term debt	19,710	23,806
Deferred income	111,233	92,820
Other current liabilities	0
Total Current Liabilities	886,062	856,341
Long-term debt	4,718,792	2,522,103
Long-term intercompany payable	0
Intercompany long-term debt	0
Deferred income taxes	825,230	858,908
Other long-term liabilities	288,757	282,015
Total member's interest (deficit)	1,538,128	3,636,189
Total Liabilities and Member's Deficit	8,256,969	8,155,556
Eliminations [Member]
Cash and cash equivalents	0
Accounts receivable, net of allowance	0
Intercompany receivables	(4,564,142)	(4,854,904)
Other current assets	(177,289)	(76,060)
Total Current Assets	(4,741,431)	(4,930,964)
Property, plant and equipment, net	0
Definite-lived intangibles, net	0
Indefinite-lived intangible - licenses	0
Indefinite-lived intangibles - permits	0
Goodwill	0
Intercompany notes receivable	(962,000)	(962,000)
Long-term intercompany notes receivable	(723,311)	(656,040)
Investment in subsidiaries	4,010,278	264,307
Other assets	(463,816)	(557,461)
Total Assets	(2,880,280)	(6,842,158)
Accounts payable and accrued expenses	0
Accrued interest	(11,211)	(31,059)
Intercompany payable	(4,564,142)	(4,854,904)
Current portion of long-term debt	0
Deferred income	0
Other current liabilities	0
Total Current Liabilities	(4,575,353)	(4,885,963)
Long-term debt	(873,910)	(892,076)
Long-term intercompany payable	(723,311)	(656,040)
Intercompany long-term debt	(962,000)	(962,000)
Deferred income taxes	2,809	(1,170)
Other long-term liabilities	0
Total member's interest (deficit)	4,251,485	555,091
Total Liabilities and Member's Deficit	$ (2,880,280)	$ (6,842,158)