Consolidated Statements Of Comprehensive Loss - Entity [Domain] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue	$ 1,599,859	$ 1,630,154	$ 2,944,423	$ 2,972,702
Operating expenses:
Direct operating expenses (excludes depreciation and amortization)	615,265	644,870	1,193,784	1,242,558
Selling, general and administrative expenses (excludes depreciation and amortization)	424,163	418,928	840,351	833,564
Corporate expenses (excludes depreciation and amortization)	80,592	82,197	157,880	154,902
Depreciation and amortization	168,394	174,062	338,847	348,933
Impairment charges	0	4,902	0	4,902
Other operating income, net	100,754	(1,628)	91,780	(1,463)
Operating income	412,199	303,567	505,341	386,380
Interest expense	452,957	440,605	894,728	871,719
Gain (loss) on marketable securities	0	0	579	0
Equity in earnings (loss) of nonconsolidated affiliates	(690)	(16)	(359)	(13,343)
Loss on extinguishment of debt	0	(47,503)	(2,201)	(51,419)
Other income (expense), net	16,211	12,157	36,102	13,698
Loss before income taxes	(25,237)	(172,400)	(355,266)	(536,403)
Income tax benefit (expense)	(22,077)	621	(78,682)	(67,766)
Consolidated net loss	(47,314)	(171,779)	(433,948)	(604,169)
Less amount attributable to noncontrolling interest	7,152	14,852	5,484	6,651
Net loss attributable to the Company	(54,466)	(186,631)	(439,432)	(610,820)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	2,278	(12,232)	(79,881)	(14,449)
Unrealized gain (loss) on securities and derivatives:
Unrealized holding gain (loss) on marketable securities	(133)	(405)	689	679
Unrealized holding gain on cash flow derivatives			0	0
Other adjustments to comprehensive income (loss)	0	0	(1,154)	0
Reclassification adjustment for realized gain (loss) on securities included in net loss	0	0	0	3,309
Other comprehensive income (loss)	2,145	(12,637)	(80,346)	(10,461)
Comprehensive loss	(52,321)	(199,268)	(519,778)	(621,281)
Less amount attributable to noncontrolling interest	(4,287)	(1,979)	(10,640)	(4,942)
Comprehensive loss attributable to the Company	$ (48,034)	$ (197,289)	$ (509,138)	$ (616,339)