v3.22.4
Goodwill and Intangible Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Intangible assets:    
Intangible assets, Gross Carrying Value $ 1,133.3 $ 1,154.5
Intangible assets, Accumulated Amortization (819.9) (856.5)
Intangible assets, Net Carrying Value 313.4 298.0
Changes in Goodwill    
Goodwill, Beginning Balance 9,738.6 9,609.7
Goodwill, Acquisitions 211.7 113.4
Goodwill, Noncontrolling interests in acquired businesses 48.0 84.5
Goodwill, Contingent purchase price obligations of acquired businesses 8.7 88.0
Goodwill, Dispositions (19.6) (22.5)
Goodwill, Foreign currency translation (253.1) (134.5)
Goodwill, Ending Balance 9,734.3 9,738.6
Goodwill, impairment losses 0.0 0.0
Goodwill, accumulated impairment losses 0.0  
Purchased and internally developed software    
Intangible assets:    
Intangible assets, Gross Carrying Value 374.8 382.2
Intangible assets, Accumulated Amortization (309.1) (318.7)
Intangible assets, Net Carrying Value 65.7 63.5
Customer related and other    
Intangible assets:    
Intangible assets, Gross Carrying Value 758.5 772.3
Intangible assets, Accumulated Amortization (510.8) (537.8)
Intangible assets, Net Carrying Value $ 247.7 $ 234.5