Stockholders’ Deficit - Narrative (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Stockholders' Equity Note [Abstract]
Repurchases of common stock (in shares)	29.6	62.7	3.6
Payment in connection with repurchases of shares	$ 850	$ 2,100	$ 100
Share repurchases that will be settled in subsequent period (in shares)	0.2
Share repurchase authorization remaining	$ 8,400