Equity And Comprehensive Loss (Schedule Of Changes In Equity) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Balances at January 1, Noncontrolling Interests			$ 303,997
Balances at January 1, Consolidated			(7,995,191)	(7,471,941)
Consolidated net loss	20,007	(27,709)	(189,112)	(175,824)
Net loss, The Company	7,202	(39,025)	(195,801)	(182,654)
Net income, Noncontrolling Interests	12,805	11,316	6,689	6,830
Dividends				(244,734)
Foreign currency translation adjustments	(45,615)	(40,380)	(69,028)	(3,291)
Unrealized holding gain 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 loss	0	91	(998)	154
Other, net			814	8,448
Reclassifications	(82,320)	0	(82,320)	0
Balances at June 30, Noncontrolling Interests	295,145		295,145
Balances at June 30, Consolidated	(8,289,163)	(7,861,943)	(8,289,163)	(7,861,943)
The Company [Member]
Balances at January 1, The Company			(8,299,188)	(7,993,735)
Net loss, The Company			(195,801)	(182,654)
Foreign currency translation adjustments			(57,540)	(1,190)
Unrealized holding gain on marketable securities			15,581	730
Unrealized holding gain on cash flow derivatives			31,066	24,514
Other adjustments to comprehensive loss			(884)	137
Other, net			4,778	(1,194)
Reclassifications			(82,320)
Balances at June 30, The Company	(8,584,308)	(8,153,392)	(8,584,308)	(8,153,392)
Noncontrolling Interests [Member]
Balances at January 1, Noncontrolling Interests			303,997	521,794
Net income, Noncontrolling Interests			6,689	6,830
Dividends				(244,734)
Foreign currency translation adjustments			(11,488)	(2,101)
Unrealized holding gain on marketable securities			25	1
Other adjustments to comprehensive loss			(114)	17
Other, net			(3,964)	9,642
Reclassifications			0
Balances at June 30, Noncontrolling Interests	$ 295,145	$ 291,449	$ 295,145	$ 291,449