Net Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Numerator:
Net earnings	$ 1,086	$ 1,068
Denominator:
Weighted-average shares used to compute basic net EPS (shares)	1,081	1,285
Dilutive effect of employee stock plans (shares)	13	8
Weighted-average shares used to compute diluted net EPS (shares)	1,094	1,293
Net earnings per share:
Basic (usd per share)	$ 1.00	$ 0.83
Diluted (usd per share)	$ 0.99	$ 0.83
Anti-dilutive weighted average stock-based compensation awards (shares)	3	4