Equity And Comprehensive Income (Loss) (Schedule Of Changes In Equity) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Balances at January 1, Noncontrolling Interests			$ 521,794
Balances at January 1			(7,471,941)	(7,204,686)
Net income (loss)	(27,709)	(37,975)	(175,824)	(169,338)
Net income (loss), The Company	(39,025)	(53,179)	(182,654)	(185,011)
Net income (loss), Noncontrolling Interests	11,316	15,204	6,830	15,673
Dividends			(244,734)
Foreign currency translation adjustments	(40,380)	36,565	(3,291)	75,872
Unrealized holding gain (loss) on marketable securities	(11,317)	11,057	731	14,009
Unrealized holding gain (loss) on cash flow derivatives	15,935	(1,399)	24,514	11,943
Reclassification adjustment	91	59	154	148
Other - net			8,448,000	2,027
Balances at June 30, Noncontrolling Interests	291,449		291,449
Balances at June 30	(7,861,943)	(7,270,025)	(7,861,943)	(7,270,025)
The Company [Member]
Balances at January 1, The Company			(7,993,735)	(7,695,606)
Net income (loss)			(182,654)	(185,011)
Dividends			0
Foreign currency translation adjustments			(1,190)	62,817
Unrealized holding gain (loss) on marketable securities			730	13,949
Unrealized holding gain (loss) on cash flow derivatives			24,514	11,943
Reclassification adjustment			137	131
Other - net			(1,194)	(657)
Balances at June 30, The Company	(8,153,392)	(7,792,434)	(8,153,392)	(7,792,434)
Noncontrolling Interest [Member]
Balances at January 1, Noncontrolling Interests			521,794	490,920
Net income (loss)			6,830	15,673
Dividends			(244,734)
Foreign currency translation adjustments			(2,101)	13,055
Unrealized holding gain (loss) on marketable securities			1	60
Reclassification adjustment			17	17
Other - net			9,642	2,684
Balances at June 30, Noncontrolling Interests	$ 291,449	$ 522,409	$ 291,449	$ 522,409