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Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Loss Contingencies [Line Items]        
Net Litigation Related Charges $ 0.5 $ 35.7 $ 10.7  
Accrued litigation liabilities 395.8 395.8   $ 409.3
Other Contingencies [Member]        
Loss Contingencies [Line Items]        
Loss Contingency Accrual 0.0 0.0    
Loss Contingency, Range of Possible Loss, Portion Not Accrued $ 370.0 $ 370.0