v3.26.1
Revenue (Tables)
 6 Months Ended
Jun. 30, 2026
Disaggregation of Revenue [Line Items]  
Contract Balances
June 30, 2026December 31, 2025June 30, 2025
Work in process:
Media and production costs$1,905.9 $2,200.1 $889.6 
Unbilled fees and costs and contract assets1,753.7 1,208.8 1,106.3 
Work in process$3,659.6 $3,408.9 $1,995.9 
Customer advances$2,134.4 $1,727.6 $1,348.2 
Geographic Markets [Member]  
Disaggregation of Revenue [Line Items]  
Disaggregation of Revenue
Revenue by geographic market:
Three Months Ended June 30,
Six Months Ended June 30,
2026202520262025
Americas:
North America$3,990.8 $2,209.7 $7,875.9 $4,321.2 
Latin America248.5 114.6 444.6 211.0 
EMEA:
Europe1,587.6 1,166.4 3,026.6 2,161.4 
Middle East and Africa141.7 66.1 285.9 136.9 
Asia-Pacific593.9 458.8 1,172.4 875.5 
Revenue1
$6,562.5 $4,015.6 $12,805.4 $7,706.0 
1) Revenue for the three and six months ended June 30, 2026 includes amounts attributable to disposals or entities classified as held for sale, consisting of $567.5 million and $1.2 billion, respectively.
Discipline [Member]  
Disaggregation of Revenue [Line Items]  
Disaggregation of Revenue
Revenue by discipline:
Three Months Ended June 30,
Six Months Ended June 30,
2026202520262025
Integrated Media
$3,259.4 $1,999.1 $6,237.8 $3,804.4 
Advertising1,079.1 711.9 2,139.3 1,386.5 
Public Relations708.9 370.0 1,405.5 729.1 
Health586.0 325.9 1,171.7 624.9 
Experiential & Other929.1 608.7 1,851.1 1,161.1 
Revenue1
$6,562.5 $4,015.6 $12,805.4 $7,706.0 
1) Revenue for the three and six months ended June 30, 2026 includes amounts attributable to disposals or entities classified as held for sale, consisting of $567.5 million and $1.2 billion, respectively.