Revenue (Tables)

3 Months Ended

Mar. 31, 2019

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue

Revenue in our principal geographic markets for the three months ended March 31, 2019 and 2018 was (in millions):

	2019		2018
Americas:
North America	$	1,989.2	$	1,985.7
Latin America	89.0		108.4
EMEA:
Europe	945.5		1,070.1
Middle East and Africa	79.0		73.4
Asia-Pacific	366.2		392.0
	$	3,468.9	$	3,629.6

Revenue by discipline for the three months ended March 31, 2019 and 2018 was (in millions):

	2019		2018
Advertising	$	1,921.3	$	1,901.3
CRM Consumer Experience	605.8		634.9
CRM Execution & Support	349.5		508.6
Public Relations	334.2		346.3
Healthcare	258.1		238.5
	$	3,468.9	$	3,629.6

Work in Process and Contract Liabilities

At March 31, 2019, December 31, 2018 and March 31, 2018 work in process and contract liabilities were (in millions):

	March 31, 2019		December 31, 2018		March 31, 2018
Work in process:
Contract assets and unbilled fees and costs	$	755.5	$	540.1	$	782.9
Media and production costs	558.9		621.4		595.1
	$	1,314.4	$	1,161.5	$	1,378.0
Contract liabilities:
Customer advances	$	1,104.1	$	1,159.0	$	1,214.3