CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income	$ 231,190	$ 391,717	$ 431,642	$ 1,789,483
Other comprehensive (loss) income – derivative instruments:
Unrealized holding (losses) gains arising during the period	97	(3,600)	(21,784)	8,737
Losses reclassified into earnings from other comprehensive income	4,271	3,986	12,606	16,084
Other comprehensive income (loss) – other instruments:
Unrealized holding gains (losses) arising during the period	0	(374)	0	554
(Gains) realized during the period	0	(830)	0	(830)
Other comprehensive (loss) – foreign currency:
Currency translation adjustments arising during the period	(2,184)	(1,730)	(466)	(789)
Other comprehensive (loss) income	2,184	(2,548)	(9,644)	23,756
Comprehensive income	233,374	389,169	421,998	1,813,239
Comprehensive (income) attributable to Noncontrolling Interests	(9,530)	(14,428)	(17,705)	(70,770)
Comprehensive income attributable to controlling interests	$ 223,844	$ 374,741	$ 404,293	$ 1,742,469