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Stockholders' Equity (Stock-based Compensation Option Activity) (Details) - Employee Stock Option [Member] - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Nov. 04, 2018
Oct. 29, 2017
Oct. 30, 2016
Stock-Based Compensation Arrangement by Stock-Based Payment Award [Line Items]      
Options, Exercises in Period, Intrinsic Value $ 534 $ 682 $ 579
Option Awards Outstanding, Number of Shares [Roll Forward]      
Beginning Balance (shares) 10.0 15.0 21.0
Exercised (shares) (2.0) (4.0) (5.0)
Forfeited and Cancelled (shares) 0.0 [1] 1.0 1.0
Ending Balance (shares) 8.0 10.0 15.0
Vested (shares) 8.0    
Vested and Expected to Vest (shares) 8.0    
Option Awards Outstanding, Weighted Average Exercise Price      
Beginning Balance, Weighted Average Exercise Price (per share) $ 49.54 $ 48.77 $ 47.92
Exercised, Weighted Average Exercise Price (per share) 47.41 45.48 44.35
Forfeited and Cancelled, Weighted Average Exercise Price (per share) 72.37 66.08 53.56
Ending Balance, Weighted Average Exercise Price (per share) 50.14 $ 49.54 $ 48.77
Vested, Weighted Average Exercise Price (per share) 49.97    
Vested and Expected to Vest, Weighted Average Exercise Price (per share) $ 50.14    
Additional Option Disclosures:      
Outstanding, Weighted Average Remaining Contractual Life 1 year 11 months 15 days    
Outstanding, Aggregate Intrinsic Value $ 1,316    
Vested, Weighted Average Remaining Contractual Life 1 year 11 months 13 days    
Vested, Aggregate Intrinsic Value $ 1,313    
Vested and Expected to Vest, Weighted Average Remaining Contractual Life 1 year 11 months 15 days    
Vested and Expected to Vest, Aggregate Intrinsic Value $ 1,316    
Threshold for Reporting in the Equity Award Activity Table 0.5    
[1] * Represents fewer than 0.5 million shares.