v3.25.1
Goodwill and Intangible Assets (Changes in Carrying Amount of Goodwill) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Goodwill [Roll Forward]      
Goodwill, net, beginning balance $ 9,133.3    
Impairment of goodwill 2,936.8 $ 0.0  
Foreign currency translation 265.6    
Goodwill 6,462.1   $ 9,133.3
Developed Markets Segment      
Goodwill [Roll Forward]      
Goodwill, net, beginning balance 6,752.9    
Impairment of goodwill 2,261.0    
Foreign currency translation 250.3    
Goodwill 4,742.2   6,752.9
Goodwill, Impaired, Accumulated Impairment Loss (3,190.0)   (929.0)
Greater China      
Goodwill [Roll Forward]      
Goodwill, net, beginning balance 921.5    
Impairment of goodwill 0.0    
Foreign currency translation 1.8    
Goodwill 923.3   921.5
Japan, Australia and New Zealand Segment      
Goodwill [Roll Forward]      
Goodwill, net, beginning balance 295.1    
Impairment of goodwill 300.8    
Foreign currency translation 5.7    
Goodwill 0.0   295.1
Goodwill, Impaired, Accumulated Impairment Loss (651.8)   (351.0)
Emerging Markets Segment      
Goodwill [Roll Forward]      
Goodwill, net, beginning balance 1,163.8    
Impairment of goodwill 375.0    
Foreign currency translation 7.8    
Goodwill 796.6   1,163.8
Goodwill, Impaired, Accumulated Impairment Loss $ (499.0)   $ (124.0)