Stock-Based Compensation - Weighted-Average Fair Value and Assumptions Used to Measure Fair Value of Stock Options (Details) - Stock Options - $ / shares	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value (in dollars per share)	$ 9	$ 11	$ 6
Expected volatility (as a percent)	36.90%	34.70%	35.90%
Risk-free interest rate (as a percent)	3.40%	1.50%	1.00%
Expected dividend yield (percent)	3.50%	2.70%	3.20%
Expected performance period	5 years 9 months 18 days	6 years	5 years 6 months
Historical volatility	50.00%
Implied volatility	50.00%