Income Taxes (Schedule Of Provision For Income Tax Benefit (Expense) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Expense Benefit [Abstract]
Current - Federal									$ 10,586	$ 61,655	$ 18,608
Current - foreign									(48,466)	(48,579)	(51,293)
Current - state									1,527	(9,408)	14,719
Total current benefit (expense)									(36,353)	3,668	(17,966)
Deferred - Federal									126,905	261,014	126,078
Deferred - foreign									8,932	27,970	13,708
Deferred - state									22,333	15,627	4,158
Total deferred benefit									158,170	304,611	143,944
Income tax benefit (expense)	$ (36,833)	$ 73,802	$ (11,477)	$ 96,325	$ 128,986	$ 13,232	$ 8,663	$ 157,398	$ 121,817	$ 308,279	$ 125,978