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Schedule of Range of Exercise Prices per Share (Detail) - Stock Option Awards
6 Months Ended
Jun. 30, 2023
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Shares, Stock Options Outstanding | shares 1,441,000
Weighted Average Exercise Price Per Share, Stock Options Outstanding $ 289.58
Weighted Average Remaining Contractual Term (Years), Stock Options Outstanding 5 years 6 months
121.43 - 200.00  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices per Share, minimum $ 121.43
Range of Exercise Prices per Share, maximum $ 200.00
Shares, Stock Options Outstanding | shares 807,000
Weighted Average Exercise Price Per Share, Stock Options Outstanding $ 136.99
Weighted Average Remaining Contractual Term (Years), Stock Options Outstanding 3 years 4 months 24 days
200.01 - 300.00  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices per Share, minimum $ 200.01
Range of Exercise Prices per Share, maximum $ 300.00
Shares, Stock Options Outstanding | shares 113,000
Weighted Average Exercise Price Per Share, Stock Options Outstanding $ 252.02
Weighted Average Remaining Contractual Term (Years), Stock Options Outstanding 9 years 4 months 24 days
300.01 - 400.00  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices per Share, minimum $ 300.01
Range of Exercise Prices per Share, maximum $ 400.00
Shares, Stock Options Outstanding | shares 3
Weighted Average Exercise Price Per Share, Stock Options Outstanding $ 301.63
Weighted Average Remaining Contractual Term (Years), Stock Options Outstanding 9 years 10 months 24 days
400.01 - 500.00  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices per Share, minimum $ 400.01
Range of Exercise Prices per Share, maximum $ 500.00
Shares, Stock Options Outstanding | shares 287,000
Weighted Average Exercise Price Per Share, Stock Options Outstanding $ 409.16
Weighted Average Remaining Contractual Term (Years), Stock Options Outstanding 8 years 3 months 18 days
600.01 - 691.23  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices per Share, minimum $ 600.01
Range of Exercise Prices per Share, maximum $ 691.23
Shares, Stock Options Outstanding | shares 231,000
Weighted Average Exercise Price Per Share, Stock Options Outstanding $ 691.23
Weighted Average Remaining Contractual Term (Years), Stock Options Outstanding 7 years 2 months 12 days