Revenue (Tables)

9 Months Ended

Sep. 30, 2019

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue

Revenue in our principal geographic markets was (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Americas:
North America	$	2,096.5	$	2,095.5	$	6,204.1	$	6,178.6
Latin America	100.2		102.0		286.0		325.6
EMEA:
Europe	948.6		1,015.2		2,930.0		3,227.9
Middle East and Africa	59.6		63.7		199.6		207.2
Asia-Pacific	418.9		437.9		1,192.8		1,264.2
	$	3,623.8	$	3,714.3	$	10,812.5	$	11,203.5

Revenue by discipline was (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Advertising	$	2,027.2	$	1,992.1	$	6,042.4	$	5,961.0
CRM Consumer Experience	636.4		639.3		1,905.2		1,938.9
CRM Execution & Support	337.4		464.0		1,009.6		1,466.6
Public Relations	337.2		356.0		1,020.6		1,065.0
Healthcare	285.6		262.9		834.7		772.0
	$	3,623.8	$	3,714.3	$	10,812.5	$	11,203.5

Work in Process and Contract Liabilities

Work in process and contract liabilities were (in millions):

	September 30, 2019		December 31, 2018		September 30, 2018
Work in process:
Contract assets and unbilled fees and costs	$	837.9	$	540.1	$	710.9
Media and production costs	590.0		621.4		648.3
	$	1,427.9	$	1,161.5	$	1,359.2
Contract liabilities:
Customer advances	$	1,059.2	$	1,159.0	$	1,142.5