v3.23.3
Goodwill and Intangible Assets - Changes in Goodwill (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Goodwill [Roll Forward]    
Gross carrying value of goodwill, beginning balance $ 8,178.0  
Accumulated impairment losses (2,882.1) $ (2,886.1)
Balance, beginning of the year 5,291.9  
Acquisition (2) 29.3  
Foreign currency translation, net (0.4)  
Gross carrying value of goodwill, ending balance 8,202.9  
Balance, ending of the year 5,320.8  
Americas    
Goodwill [Roll Forward]    
Gross carrying value of goodwill, beginning balance 6,790.4  
Accumulated impairment losses (1,497.4) (1,498.5)
Balance, beginning of the year 5,291.9  
Acquisition (2) 29.3  
Foreign currency translation, net (0.4)  
Gross carrying value of goodwill, ending balance 6,818.2  
Balance, ending of the year 5,320.8  
EMEA&APAC    
Goodwill [Roll Forward]    
Gross carrying value of goodwill, beginning balance 1,387.6  
Accumulated impairment losses (1,384.7) $ (1,387.6)
Balance, beginning of the year 0.0  
Acquisition (2) 0.0  
Foreign currency translation, net 0.0  
Gross carrying value of goodwill, ending balance 1,384.7  
Balance, ending of the year $ 0.0