Revenue (Tables)

6 Months Ended

Jun. 30, 2020

Disaggregation of Revenue [Line Items]

Work in Process and Contract Liabilities

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

	June 30, 2020		December 31, 2019		June 30, 2019
Work in process:
Contract assets and unbilled fees and costs	$	660.6	$	689.2	$	785.7
Media and production costs	498.0		568.4		577.8
	$	1,158.6	$	1,257.6	$	1,363.5
Contract liabilities:
Customer advances	$	1,070.0	$	1,215.3	$	1,094.1

Geographic Markets [Member]

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Americas:
North America	$	1,664.0	$	2,118.4	$	3,661.3	$	4,107.6
Latin America	54.9		96.9		126.3		185.8
EMEA:
Europe	727.5		1,035.9		1,650.8		1,981.4
Middle East and Africa	34.5		61.0		90.1		140.0
Asia-Pacific	319.8		407.6		679.1		773.9
	$	2,800.7	$	3,719.8	$	6,207.6	$	7,188.7

Discipline [Member]

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue

Revenue by discipline was (in millions):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Advertising	$	1,499.5	$	2,102.0	$	3,392.3	$	4,031.5
CRM Consumer Experience	478.7		653.4		1,061.7		1,252.5
CRM Execution & Support	227.8		324.1		545.9		672.2
Public Relations	295.8		349.3		627.5		683.4
Healthcare	298.9		291.0		580.2		549.1
	$	2,800.7	$	3,719.8	$	6,207.6	$	7,188.7