Segment Information (Tables)

3 Months Ended

Mar. 31, 2022

Segment Reporting [Abstract]

Selected Information And Details For MMC's Operating Segments

Selected information about the Company’s operating segments for the three month period ended March 31, 2022 and 2021 is as follows:

	Three Months Ended March 31,
(In millions)	Revenue			Operating Income (Loss)
2022–
Risk and Insurance Services	$	3,549	(a)	$	1,121
Consulting	2,010		(b)	392
Total Operating Segments	5,559			1,513
Corporate/Eliminations	(10)			(68)
Total Consolidated	$	5,549		$	1,445
2021–
Risk and Insurance Services	$	3,225	(a)	$	1,060
Consulting	1,873		(b)	361
Total Operating Segments	5,098			1,421
Corporate/Eliminations	(15)			(63)
Total Consolidated	$	5,083		$	1,358

(a) Includes interest income on fiduciary funds of $4 million and $5 million in 2022 and 2021. Revenue for 2022 also includes the loss on deconsolidation of the Russian businesses of $27 million.

(b) Includes inter-segment revenue of $10 million and $15 million in 2022 and 2021. Revenue for 2022 also includes the loss on deconsolidation of the Russian businesses of $12 million.

Details of Operating Segment Revenue

Details of operating segment revenue for the three month periods ended March 31, 2022 and 2021 are as follows:

	Three Months Ended March 31,
(In millions)	2022		2021
Risk and Insurance Services
Marsh	$	2,549	$	2,329
Guy Carpenter	1,000		896
Total Risk and Insurance Services	3,549		3,225
Consulting
Mercer	1,343		1,288
Oliver Wyman Group	667		585
Total Consulting	2,010		1,873
Total Operating Segments	5,559		5,098
Corporate Eliminations	(10)		(15)
Total	$	5,549	$	5,083