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Stock-based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Mar. 31, 2022
Jul. 31, 2021
Mar. 31, 2019
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
May 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock-based compensation expense       $ 159.4 $ 124.8 $ 114.0    
Tax benefit from compensation expense       30.4 23.8 22.5    
Cash received from exercise of stock options       $ 115.4 $ 91.8 197.7 $ 197.7  
Grant date fair value of options       $ 63.5        
Stock Awards [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Tax benefit from compensation expense           $ 43.6    
Performance Based Stock Units [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Employee service share-based compensation period for recognition of expense       2 years 2 months 12 days        
Option vesting period   2 years            
Non-cash stock-based compensation expense not yet recognized       $ 16.2        
Grant date fair value of options $ 71.89 $ 75.03            
Performance Based Stock Units [Member] | Maximum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Equity based incentive plan vesting percentage   200.00%   200.00%        
Performance Based Stock Units [Member] | Minimum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Equity based incentive plan vesting percentage   0.00%   0.00%        
Time Based Option And Stock Appreciation Rights [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Equity-based incentive plan, description       Time-based stock options and SARs generally vest 25% on the first anniversary of the grant date and 1/36th of the remaining balance each month thereafter for 36 months.        
Employee service share-based compensation period for recognition of expense       2 years 2 months 12 days 8 months 12 days      
Option vesting period       36 months        
Awards granted, weighted average granted fair value       $ 17.54 $ 15.26 $ 22.28    
Awards vested, fair value       $ 86.9 $ 102.1 $ 103.0    
Non-cash stock-based compensation expense not yet recognized       111.7 201.6      
Total intrinsic value of the awards       $ 84.2 $ 92.6 $ 183.7    
Time Based Option And Stock Appreciation Rights [Member] | Tranche One [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Equity based incentive plan vesting percentage       25.00%        
Time Based Option And Stock Appreciation Rights [Member] | Tranche Two and Thereafter [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Equity based incentive plan vesting percentage       0.0208%        
Performance Based Stock Options [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Employee service share-based compensation period for recognition of expense       1 year 2 months 12 days 2 years 1 month 6 days      
Option vesting period       3 years   3 years    
Awards granted, weighted average granted fair value           $ 21.88    
Non-cash stock-based compensation expense not yet recognized       $ 23.3 $ 60.8      
Vested       0 0      
Performance Based Stock Options [Member] | Maximum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Equity based incentive plan vesting percentage           200.00%    
Performance Based Stock Options [Member] | Minimum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Equity based incentive plan vesting percentage           0.00%    
Performance Based Stock Options [Member] | December 2021 [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock-based compensation expense       $ 38.5        
Employee Stock Option [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Tax benefit from compensation expense       28.9        
Second Amended and Restated 2014 Stock Incentive Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Additional shares available for equity awards     34,000,000          
2014 Stock Option Plan [Member] | Restricted Stock Units (RSUs) [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock based Compensation not yet Recognized       $ 114.5        
Employee service share-based compensation period for recognition of expense       2 years 1 month 6 days 2 years 10 months 24 days      
Option vesting period       2 years 2 years      
Non-cash stock-based compensation expense not yet recognized         $ 119.9      
2014 Stock Option Plan [Member] | Common Stock [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Shares authorized under equity-based incentive plan               6,000,000
Amended 2014 Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Initial authorized shares               24,000,000
2023 Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Additional shares available for equity awards       11,500,000        
2014 Plan, 2008 Plan and 2006 Plan [Member] | Common Stock [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Equity-based incentive plan, description       Under the terms of the 2023 Plan and 2014 Plans, the exercise price of awards is set on the grant date and may not be less than the fair market value per share on such date.        
Equity based incentive plan expiry period from date of grant       10 years