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Stockholders' Equity (Stock Option Awards) (Details) - Employee Stock Options - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Nov. 03, 2019
Nov. 04, 2018
Oct. 29, 2017
Stock-Based Compensation Arrangement by Stock-Based Payment Award [Line Items]      
Threshold for reporting in the equity award activity table 0.5    
Option Awards Outstanding, Number of Shares [Roll Forward]      
Beginning balance (shares) 8.0 10.0 15.0
Exercised (shares) (4.0) (2.0) (4.0)
Cancelled (shares) 0.0 0.0 (1.0)
Ending balance (shares) 4.0 8.0 10.0
Fully vested (shares) 4.0    
Option Awards Outstanding, Weighted Average Exercise Price      
Beginning balance, Weighted-average exercise price per share (in dollars per share) $ 50.14 $ 49.54 $ 48.77
Exercised, Weighted-average exercise price per share (in dollars per share) 47.88 47.41 45.48
Cancelled, Weighted-average exercise price per share (in dollars per share) 49.00 72.37 66.08
Ending balance, Weighted-average exercise price per share (in dollars per share) 51.83 $ 50.14 $ 49.54
Fully vested, Weighted-average exercise price per share (in dollars per share) $ 51.83    
Additional Option Disclosures:      
Outstanding, Weighted-average remaining contractual life (in years) 1 year 1 month 9 days    
Fully vested, Weighted-average remaining contractual life (in years) 1 year 1 month 9 days    
Exercised, Aggregate intrinsic value $ 761 $ 534 $ 682
Outstanding, Aggregate intrinsic value 1,077    
Fully vested, Aggregate intrinsic value $ 1,077