v3.22.4
Fair Value (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Assets:    
Short-term investments $ 60.7 $ 0.0
Liabilities:    
Contingent purchase price obligations 115.0 167.1
Carrying Amount    
Assets:    
Cash and cash equivalents 4,281.8 5,316.8
Short-term investments 60.7 0.0
Marketable equity securities 0.9 1.1
Non-marketable equity securities 5.6 6.5
Foreign currency derivatives 0.0 0.3
Liabilities:    
Short-term debt 16.9 9.6
Foreign currency derivatives 0.1 0.1
Cross currency swaps - net investment hedge 16.5 0.0
Contingent purchase price obligations 115.0 167.1
Long-term debt 5,577.2 5,685.7
Fair Value    
Assets:    
Cash and cash equivalents 4,281.8 5,316.8
Short-term investments 60.7 0.0
Marketable equity securities 0.9 1.1
Non-marketable equity securities 5.6 6.5
Foreign currency derivatives 0.0 0.3
Liabilities:    
Short-term debt 16.9 9.6
Foreign currency derivatives 0.1 0.1
Cross currency swaps - net investment hedge 16.5 0.0
Contingent purchase price obligations 115.0 167.1
Long-term debt 4,993.4 6,011.6
Contingent purchase price obligations    
Changes in Contingent Purchase Price Obligations [Roll Forward]    
January 1 167.1 71.9
Acquisitions 13.3 120.4
Revaluation and interest (26.0) 0.4
Payments (32.7) (22.6)
Foreign currency translation (6.7) (3.0)
December 31 115.0 167.1
Fair Value, Recurring [Member]    
Assets:    
Cash and cash equivalents 4,281.8 5,316.8
Short-term investments 60.7  
Marketable equity securities 0.9 1.1
Foreign currency derivatives   0.3
Liabilities:    
Foreign currency derivatives 0.1 0.1
Cross currency swaps - net investment hedge 16.5  
Contingent purchase price obligations 115.0 167.1
Fair Value, Recurring [Member] | Level 1    
Assets:    
Cash and cash equivalents 4,281.8 5,316.8
Marketable equity securities 0.9 1.1
Fair Value, Recurring [Member] | Level 2    
Assets:    
Short-term investments 60.7  
Foreign currency derivatives   0.3
Liabilities:    
Foreign currency derivatives 0.1 0.1
Cross currency swaps - net investment hedge 16.5  
Fair Value, Recurring [Member] | Level 3    
Liabilities:    
Contingent purchase price obligations $ 115.0 $ 167.1