Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Apr. 28, 2019	Apr. 29, 2018	Apr. 28, 2019	Apr. 29, 2018
Numerator:
Net income	$ 666	$ 1,100	$ 1,437	$ 1,265
Denominator:
Weighted average common shares outstanding (in shares)	942	1,029	950	1,042
Effect of dilutive stock options, restricted stock units and employee stock purchase plan shares (in shares)	6	11	7	14
Denominator for diluted earnings per share (in shares)	948	1,040	957	1,056
Basic earnings per share (in dollars per share)	$ 0.71	$ 1.07	$ 1.51	$ 1.21
Diluted earnings per share (in dollars per share)	$ 0.70	$ 1.06	$ 1.50	$ 1.20
Potentially dilutive securities (in shares)	3	0	3	0