CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net income	$ 236,323	$ 112,977	$ 496,805	$ 827,796
Other comprehensive (loss) - derivative instruments:
Unrealized holding (losses) arising during the period	(3,695)	(105,248)	(12,337)	(130,367)
Losses reclassified into earnings from other comprehensive income	3,704	951	10,907	2,842
Other comprehensive income - other instruments:
Unrealized holding gains arising during the period	312	(182)	394	311
Other comprehensive (loss)	321	(104,479)	(1,036)	(127,214)
Comprehensive income	236,644	8,498	495,769	700,582
Comprehensive (income) attributable to Noncontrolling Interests	(10,184)	(5,129)	(22,103)	(36,693)
Comprehensive income attributable to controlling interests	$ 226,460	$ 3,369	$ 473,666	$ 663,889

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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