Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2012

Goodwill and Other Intangible Assets

Schedule of changes in the net carrying amount of goodwill by operating segment

(in millions) .	Risk Solutions			HR Solutions			Total
Balance as of December31, 2011	$	5,557		$	3,213		$	8,770
Goodwill related to current year acquisitions	55			5			60
Goodwill related to other prior year acquisitions	(6		)	-			(6		)
Transfer related to Health and Benefits Consulting (1)	313			(313		)	-
Foreign currency translation	18			14			32
Balance as of September30, 2012	$	5,937		$	2,919		$	8,856

(1) Effective January1, 2012, the Health and Benefits Consulting business was transferred from the HR Solutions segment to the Risk Solutions segment.

Schedule of other intangible assets by asset class

	September30,2012						December31,2011
(in millions)	Gross Carrying Amount		Accumulated Amortization		NetCarrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Intangible assets with indefinite lives:
Trademarks	$	1,024	$	-	$	1,024	$	1,024	$	-	$	1,024
Intangible assets with finite lives:
Trademarks	6		2		4		4		1		3
Customer related and contract based	2,671		874		1,797		2,608		615		1,993
Marketing, technology and other	609		394		215		606		350		256
	$	4,310	$	1,270	$	3,040	$	4,242	$	966	$	3,276

Schedule of estimated future amortization expense on intangible assets

(in millions)	HRSolutions		RiskSolutions		Total
Remainder of 2012	$	76	$	32	$	108
2013	278		112		390
2014	240		96		336
2015	210		82		292
2016	175		70		245
Thereafter	478		167		645
	$	1,457	$	559	$	2,016