Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Numerator:
Net earnings, basic	$ 640	$ 766	$ 1,869	$ 2,289
Net earnings, diluted	$ 640	$ 766	$ 1,869	$ 2,289
Denominator:
Weighted-average shares used to compute basic net EPS (in shares)	979	993	986	991
Dilutive effect of employee stock plans (in shares)	11	9	8	8
Weighted-average shares used to compute diluted net EPS (in shares)	990	1,002	994	999
Net earnings per share:
Basic (usd per share)	$ 0.65	$ 0.77	$ 1.90	$ 2.31
Diluted (usd per share)	$ 0.65	$ 0.76	$ 1.88	$ 2.29
Anti-dilutive weighted-average stock-based compensation awards (in shares)	0	3	2	5