Employee Benefit Plans - Stock Option Plans and Stock Purchase Rights Granted Under ESPP (Detail) - $ / shares	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Stock Option
Schedule of Weighted Average Assumptions for Fair Values of Stock Options[Line Items]
Expected life (in years)	4 years 1 month 6 days	4 years 1 month 6 days	4 years 1 month 6 days
Risk-free interest rate, minimum	3.80%	1.07%	0.35%
Risk-free interest rate, maximum	4.80%	4.42%	1.00%
Volatility, minimum	32.74%	32.28%	29.19%
Volatility, maximum	36.16%	37.04%	32.28%
Weighted average estimated fair value (in USD per share)	$ 120.33	$ 98.07	$ 61.58
Employee Stock Purchase Plan
Schedule of Weighted Average Assumptions for Fair Values of Stock Options[Line Items]
Risk-free interest rate, minimum	4.85%	0.67%	0.00%
Risk-free interest rate, maximum	5.38%	3.44%	0.19%
Volatility, minimum	28.03%	34.51%	28.02%
Volatility, maximum	35.27%	38.69%	39.68%
Weighted average estimated fair value (in USD per share)	$ 120.82	$ 102.63	$ 89.82
Employee Stock Purchase Plan | Minimum
Schedule of Weighted Average Assumptions for Fair Values of Stock Options[Line Items]
Expected life (in years)	6 months	6 months	6 months
Employee Stock Purchase Plan | Maximum
Schedule of Weighted Average Assumptions for Fair Values of Stock Options[Line Items]
Expected life (in years)	2 years	2 years	2 years