Stockholders' Equity, Comprehensive Income and Share-Based Compensation (Stock Repurchase Program) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended	9 Months Ended
Jul. 28, 2019	Jul. 29, 2018	Jul. 28, 2019	Jul. 29, 2018
Equity [Abstract]
Common stock repurchases (in shares)	12	25	50	84
Cost of stock repurchased	$ 528	$ 1,251	$ 1,903	$ 4,533
Average price paid per share (in dollars per share)	$ 42.07	$ 49.31	$ 37.88	$ 53.72

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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