Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Jan. 30, 2022	Jan. 31, 2021
Numerator:
Net income	$ 1,792	$ 1,130
Denominator:
Weighted average common shares outstanding (in shares)	889	915
Effect of dilutive restricted stock units and employee stock purchase plan shares (in shares)	8	10
Denominator for diluted earnings per share (in shares)	897	925
Basic earnings per share (in dollars per share)	$ 2.02	$ 1.23
Diluted earnings per share (in dollars per share)	$ 2.00	$ 1.22
Potentially dilutive securities (in shares)	0	0