v3.26.1
Other Intangible Assets, Net - Intangible Assets by Major Class (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Goodwill And Intangible Assets [Line Items]      
Definite-lived intangible assets, Gross $ 12,008.1   $ 12,001.8
Definite-lived intangible assets, Accumulated Amortization (4,301.3)   (4,150.6)
Definite-lived intangible assets, Net 7,706.8   7,851.2
Total intangible assets, Gross 12,165.0   12,158.7
Other intangible assets, net 7,863.7   8,008.1
Amortization of intangible assets 178.7 $ 180.6  
Indefinite-lived trade names      
Goodwill And Intangible Assets [Line Items]      
Indefinite-lived trade names 156.9   156.9
Customer relationships      
Goodwill And Intangible Assets [Line Items]      
Definite-lived intangible assets, Gross 7,807.7   7,828.2
Definite-lived intangible assets, Accumulated Amortization (1,956.9)   (1,875.4)
Definite-lived intangible assets, Net 5,850.8   5,952.8
Technology and content      
Goodwill And Intangible Assets [Line Items]      
Definite-lived intangible assets, Gross 2,828.9   2,832.2
Definite-lived intangible assets, Accumulated Amortization (1,493.2)   (1,453.1)
Definite-lived intangible assets, Net 1,335.7   1,379.1
Computer software      
Goodwill And Intangible Assets [Line Items]      
Definite-lived intangible assets, Gross 1,282.4   1,252.1
Definite-lived intangible assets, Accumulated Amortization (787.1)   (758.8)
Definite-lived intangible assets, Net 495.3   493.3
Trade names and other      
Goodwill And Intangible Assets [Line Items]      
Definite-lived intangible assets, Gross 89.1   89.3
Definite-lived intangible assets, Accumulated Amortization (64.1)   (63.3)
Definite-lived intangible assets, Net $ 25.0   $ 26.0