Condensed Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net income	$ 254	$ 267	$ 503	$ 522
Less: Net income attributable to noncontrolling interests	8	9	19	18
Net income attributable to Aon shareholders	246	258	484	504
Other comprehensive (loss) income, net of tax:
Change in fair value of derivatives	(17)	(1)	(10)	(5)
Foreign currency translation adjustments	(197)	2	(93)	197
Post-retirement benefit obligation	18	15	39	27
Total other comprehensive (loss) income	(196)	16	(64)	219
Less: Other comprehensive income attributable to noncontrolling interests	(3)		(2)
Total other comprehensive (loss) income attributable to Aon shareholders	(193)	16	(62)	219
Comprehensive income attributable to Aon shareholders	$ 53	$ 274	$ 422	$ 723

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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