Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Numerator:
Net earnings, basic	$ 2,529	$ 2,775	$ 3,263
Net earnings, diluted	$ 2,529	$ 2,775	$ 3,263
Denominator:
Weighted-average shares used to compute basic net EPS (in shares)	946	979	992
Dilutive effect of employee stock plans (in shares)	7	10	8
Weighted-average shares used to compute diluted net EPS (in shares)	953	989	1,000
Net earnings per share:
Basic (in dollars per share)	$ 2.67	$ 2.83	$ 3.29
Diluted (in dollars per share)	$ 2.65	$ 2.81	$ 3.26
Anti dilutive weighted-average stock-based compensation awards (in shares)	8	1	4