Revenue (Tables)

3 Months Ended

Mar. 31, 2020

Disaggregation of Revenue [Line Items]

Work in Process and Contract Liabilities

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

	March 31, 2020		December 31, 2019		March 31, 2019
Work in process:
Contract assets and unbilled fees and costs	$	783.7	$	689.2	$	755.5
Media and production costs	529.5		568.4		558.9
	$	1,313.2	$	1,257.6	$	1,314.4
Contract liabilities:
Customer advances	$	1,075.7	$	1,215.3	$	1,104.1

Geographic Markets [Member]

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue

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

	Three Months Ended March 31,
	2020		2019
Americas:
North America	$	1,997.3	$	1,989.2
Latin America	71.4		89.0
EMEA:
Europe	923.4		945.5
Middle East and Africa	55.5		79.0
Asia-Pacific	359.3		366.2
	$	3,406.9	$	3,468.9

Discipline [Member]

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue

Revenue by discipline was (in millions):

	Three Months Ended March 31,
	2020		2019
Advertising	$	1,892.8	$	1,929.6
CRM Consumer Experience	583.1		599.1
CRM Execution & Support	318.1		348.0
Public Relations	331.6		334.1
Healthcare	281.3		258.1
	$	3,406.9	$	3,468.9