Stockholders' Deficit - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023	Aug. 27, 2024
Components of accumulated other comprehensive income, net of taxes
Repurchases of common stock (in shares)	17,000,000.0	0	37,500,000	3,600,000
Payment in connection with repurchases of shares	$ 600		$ 1,200	$ 100
Shares settled (in shares)	200,000		200,000
Share repurchase authorization remaining	$ 800		$ 800
Subsequent event
Components of accumulated other comprehensive income, net of taxes
Share repurchase authorization remaining					$ 10,000