Segment Information (Tables)

3 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Selected Information And Details For MMC's Operating Segments

Selected information about the Company’s operating segments for the three-month periods ended March 31, 2014 and 2013 are as follows:

	Three Months Ended March 31,
(In millions of dollars)	Revenue				Operating Income (Loss)
2014 –
Risk and Insurance Services	$	1,839		(a)	$	493
Consulting	1,432			(b)	225
Total Operating Segments	3,271				718
Corporate / Eliminations	(7		)		(45		)
Total Consolidated	$	3,264			$	673
2013–
Risk and Insurance Services	$	1,771		(a)	$	468
Consulting	1,362			(b)	187
Total Operating Segments	3,133				655
Corporate / Eliminations	(7		)		(48		)
Total Consolidated	$	3,126			$	607

^(a)  Includes interest income on fiduciary funds of $6 million and $8 million in 2014 and 2013, respectively, and equity method income of $1 million in 2013, respectively.

^(b)  Includes inter-segment revenue of $7 million in both 2014 and 2013 and interest income on fiduciary funds of $1 million in both 2014 and 2013.

Details of Operating Segment Revenue

Details of operating segment revenue for the three-month periods ended March 31, 2014 and 2013 are as follows:

	Three Months Ended March 31,
(In millions of dollars)	2014			2013
Risk and Insurance Services
Marsh	$	1,457		$	1,395
Guy Carpenter	382			376
Total Risk and Insurance Services	1,839			1,771
Consulting
Mercer	1,061			1,041
Oliver Wyman Group	371			321
Total Consulting	1,432			1,362
Total Operating Segments	3,271			3,133
Corporate/ Eliminations	(7		)	(7		)
Total	$	3,264		$	3,126