Consolidated Statements Of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Consolidated Statements Of Comprehensive Loss [Abstract]
Revenue	$ 1,630,034	$ 1,587,522	$ 4,602,736	$ 4,548,677
Operating expenses:
Direct operating expenses (excludes depreciation and amortization)	645,981	648,743	1,885,698	1,879,109
Selling, general and administrative expenses (excludes depreciation and amortization)	429,687	411,354	1,266,092	1,226,058
Corporate expenses (excludes depreciation and amortization)	78,202	89,574	233,104	245,702
Depreciation and amortization	175,865	177,330	524,798	539,246
Impairment charges	35	0	4,937	0
Other operating income, net	47,172	6,186	45,709	9,694
Operating income	347,436	266,707	733,816	668,256
Interest expense	432,616	438,404	1,304,335	1,231,437
Gain on marketable securities	0	31	0	130,929
Equity in earnings (loss) of nonconsolidated affiliates	3,955	3,983	(9,388)	13,595
Loss on extinguishment of debt	(4,840)	0	(56,259)	(3,888)
Other income (expense), net	2,617	1,709	16,315	(17,389)
Loss before income taxes	(83,448)	(165,974)	(619,851)	(439,934)
Income tax benefit	(24,376)	73,802	(92,142)	158,650
Consolidated net loss	(107,824)	(92,172)	(711,993)	(281,284)
Less amount attributable to noncontrolling interest	7,028	9,683	13,679	16,372
Net loss attributable to the Company	(114,852)	(101,855)	(725,672)	(297,656)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(63,063)	40,502	(77,512)	(28,526)
Unrealized gain on securities and derivatives:
Unrealized holding gain on marketable securities	(74)	13	605	15,619
Unrealized holding gain on cash flow derivatives	0	17,114	0	48,180
Other adjustments to comprehensive income (loss)	0	0	0	(998)
Reclassification adjustment for realized gains on securities included in net income (loss)	0	(1,433)	3,309	(83,753)
Other comprehensive income (loss)	(63,137)	56,196	(73,598)	(49,478)
Comprehensive loss	(177,989)	(45,659)	(799,270)	(347,134)
Less amount attributable to noncontrolling interest	(9,744)	9,169	(14,686)	(2,408)
Comprehensive loss attributable to the Company	$ (168,245)	$ (54,828)	$ (784,584)	$ (344,726)