Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Apr. 29, 2018	Apr. 30, 2017	Apr. 29, 2018	Apr. 30, 2017
Numerator:
Net income	$ 1,129	$ 824	$ 1,264	$ 1,527
Denominator:
Weighted average common shares outstanding (in shares)	1,029	1,078	1,042	1,078
Effect of dilutive stock options, restricted stock units and employee stock purchase plan shares (in shares)	11	9	14	10
Denominator for diluted earnings per share (in shares)	1,040	1,087	1,056	1,088
Basic earnings per share (in dollars per share)	$ 1.10	$ 0.76	$ 1.21	$ 1.42
Diluted earnings per share (in dollars per share)	$ 1.09	$ 0.76	$ 1.20	$ 1.40
Potentially dilutive securities (in shares)	0	0	0	0