Revenue (Tables)

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following schedule disaggregates components of the Company's revenue:

	Three Months Ended June 30,				Six Months Ended June 30,
(In millions)	2020		2019		2020		2019
Marsh:
EMEA	$	597	$	652	$	1,351	$	1,285
Asia Pacific	298		291		536		456
Latin America	99		116		190		194
Total International	994		1,059		2,077		1,935
U.S./Canada	1,167		1,097		2,145		1,958
Total Marsh	2,161		2,156		4,222		3,893
Guy Carpenter	433		392		1,260		1,055
Subtotal	2,594		2,548		5,482		4,948
Fiduciary interest income	9		26		32		49
Total Risk and Insurance Services	$	2,603	$	2,574	$	5,514	$	4,997
Mercer:
Wealth	$	561	$	613	$	1,153	$	1,156
Health	432		458		918		900
Career	156		189		329		359
Total Mercer	1,149		1,260		2,400		2,415
Oliver Wyman	467		540		978		1,058
Total Consulting	$	1,616	$	1,800	$	3,378	$	3,473

Contract with Customer, Asset and Liability

The following schedule provides contract assets and contract liabilities information from contracts with customers.

(In millions)	June 30, 2020		December 31, 2019
Contract Assets	$	298	$	207
Contract Liabilities	$	696	$	593