Stock-Based Compensation - Schedule of Stock-Based Compensation Expense and the Resulting Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Share-Based Payment Arrangement [Abstract]
Stock-based compensation expense	$ 452	$ 438	$ 343
Income tax benefit	(77)	(72)	(59)
Stock-based compensation expense, net of tax	$ 375	$ 366	$ 284