Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jul. 29, 2018	Jul. 30, 2017	Jul. 29, 2018	Jul. 30, 2017
Numerator:
Net income	$ 1,173	$ 925	$ 2,437	$ 2,452
Denominator:
Weighted average common shares outstanding (in shares)	994	1,071	1,026	1,076
Effect of dilutive stock options, restricted stock units and employee stock purchase plan shares (in shares)	11	12	13	11
Denominator for diluted earnings per share (in shares)	1,005	1,083	1,039	1,087
Basic earnings per share (in dollars per share)	$ 1.18	$ 0.86	$ 2.37	$ 2.28
Diluted earnings per share (in dollars per share)	$ 1.17	$ 0.85	$ 2.35	$ 2.26
Potentially dilutive securities (in shares)	0	0	0	0