Revenue (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

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

	Three Months Ended March 31,
	2019
Marsh:
EMEA	$	633
Asia Pacific	165
Latin America	78
Total International	876
U.S./Canada	861
Total Marsh	1,737
Guy Carpenter	663
Subtotal	2,400
Fiduciary interest income	23
Total Risk and Insurance Services	$	2,423
Mercer:
Wealth	$	543
Health	442
Career	170
Total Mercer	1,155
Oliver Wyman	518
Total Consulting	$	1,673

Contract with Customer, Asset and Liability

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

(In millions)	March 31, 2019		January 1, 2019
Contract Assets	$	198	$	112
Contract Liabilities	$	611	$	545