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Stock-Based Compensation - Additional Information (Detail)
$ / shares in Units, shares in Millions, $ in Millions
 6 Months Ended
Jun. 30, 2025
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Employee stock options, granted (in shares) | shares 0.1
Employee stock options, weighted average grant date fair value (in usd per share) | $ / shares $ 163.59
Restricted Stock  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Other than options, shares granted (in shares) | shares 0.4
Other than options, weighted average grant date fair value (in usd per share) | $ / shares $ 512.32
Award vesting period 4 years
Unrecognized compensation expense | $ $ 338
Weighted average period to recognize expense 2 years 7 months 6 days
Employee Stock Option  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 4 years
Unrecognized compensation expense | $ $ 14
Weighted average period to recognize expense 1 year 10 months 24 days
Performance Based Restricted Stock  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Other than options, shares granted (in shares) | shares 0.1
Other than options, weighted average grant date fair value (in usd per share) | $ / shares $ 501.88
Award vesting period 3 years
Unrecognized compensation expense | $ $ 70
Weighted average period to recognize expense 2 years