Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Dec. 31, 2022
Loss Contingencies [Line Items]
Net Litigation Related Charges	$ 2.7	$ 34.7	$ 3.8
Accrued litigation liabilities	241.4		241.4	$ 349.2
Other Contingencies [Member]
Loss Contingencies [Line Items]
Loss Contingency Minimum	9.0		9.0
Loss Contingency, Range of Possible Loss, Portion Not Accrued	$ 485.0		$ 485.0