Stockholders' Equity - Narrative (Details) - USD ($)	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023	Sep. 30, 2025
Stockholders' Equity Note [Abstract]
Share repurchase program, maximum amount authorized				$ 2,000,000,000.0
Share repurchase program, remaining authorized amount	$ 966,400,000
Stock repurchase (in shares)	4,100,000	0
Treasury stock repurchase	$ 290,100,000
Stock repurchase at an average price (in dollars per share)	$ 69.30
Dividends on common stock	$ 0	$ 0	$ 3,000,000.0