Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Numerator:
Net earnings, basic	$ 3,263	$ 3,132	$ 6,541
Net earnings, diluted	$ 3,263	$ 3,132	$ 6,541
Denominator:
Weighted-average shares used to compute basic net EPS (in shares)	992	1,038	1,208
Dilutive effect of employee stock plans (in shares)	8	12	12
Weighted-average shares used to compute diluted net EPS (in shares)	1,000	1,050	1,220
Net earnings per share:
Basic (in dollars per share)	$ 3.29	$ 3.02	$ 5.41
Diluted (in dollars per share)	$ 3.26	$ 2.98	$ 5.36
Anti dilutive weighted-average stock-based compensation awards (in shares)	4	4	2