Employee Benefit Plans - Employee Stock Purchase Plan (Details) - ESPP - $ / shares shares in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023	Apr. 10, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Threshold for employee stock purchases under ESPP, maximum value	85.00%
ESPP offering period (in years)	2 years
Increase in number of shares authorized for issuance under plan (in shares)				2.2
Shares issued (in shares)	0.5	0.5	0.6
Weighted average purchase price of stock purchased (in USD per share)	$ 375.72	$ 315.24	$ 266.82
Reserved for future issuance (in shares)	14.7