Consolidated Statements Of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Consolidated Statements Of Comprehensive Loss [Abstract]
Revenue	$ 1,618,097	$ 1,602,494	$ 2,961,155	$ 2,963,217
Operating expenses:
Direct operating expenses (excludes depreciation and amortization)	623,278	604,956	1,216,249	1,216,492
Selling, general and administrative expenses (excludes depreciation and amortization)	418,420	399,326	823,629	822,444
Corporate expenses (excludes depreciation and amortization)	77,557	72,094	161,320	144,700
Depreciation and amortization	179,734	181,839	361,916	357,205
Other operating income, net	1,113	1,917	3,508	5,041
Operating income	320,221	346,196	401,549	427,417
Interest expense	407,508	385,867	793,033	759,883
Gain on marketable securities	130,898	0	130,898	0
Equity in earnings of nonconsolidated affiliates	5,971	4,696	9,612	8,251
Loss on extinguishment of debt	0	0	(3,888)	(15,167)
Other expense, net	(18,098)	(1,397)	(19,098)	(2,503)
Income (loss) before income taxes	31,484	(36,372)	(273,960)	(341,885)
Income tax (expense) benefit	(11,477)	8,663	84,848	166,061
Consolidated net income (loss)	20,007	(27,709)	(189,112)	(175,824)
Less amount attributable to noncontrolling interest	12,805	11,316	6,689	6,830
Net income (loss) attributable to the Company	7,202	(39,025)	(195,801)	(182,654)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(45,615)	(40,380)	(69,028)	(3,291)
Unrealized gain (loss) on securities and derivatives:
Unrealized holding gain (loss) on marketable securities	11,171	(11,317)	15,606	731
Unrealized holding gain on cash flow derivatives	16,243	15,935	31,066	24,514
Other adjustments to comprehensive income (loss)	0	91	(998)	154
Reclassification adjustment for realized gain on securities included in net income (loss)	(82,320)	0	(82,320)	0
Other comprehensive income (loss)	(100,521)	(35,671)	(105,674)	22,108
Comprehensive loss	(93,319)	(74,696)	(301,475)	(160,546)
Less amount attributable to noncontrolling interest	(8,354)	(5,738)	(11,577)	(2,083)
Comprehensive loss attributable to the Company	$ (84,965)	$ (68,958)	$ (289,898)	$ (158,463)