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Shareholders' Equity Shareholders' Equity (Share-Based Compensation RSU Activity) (Details) - Restricted Stock Units (RSUs) [Member] - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Feb. 01, 2016
Oct. 29, 2017
Oct. 30, 2016
Nov. 01, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value   $ 1,172 $ 590 $ 179
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options   $ 2,134    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   3 years    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Beginning Balance, Number of Shares (shares)   17 5 4
Restricted stock units assumed, Number of Shares (shares) 6      
Granted (shares)   8 12 3
Vested (shares)   (5) (4) (1)
Forfeited (shares)   (2) (2) (1)
Ending Balance, Number of Shares (shares)   18 17 5
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Beginning Balance, Weighted Average Grant-Date Fair Value per Share (usd per share)   $ 130.71 $ 95.17 $ 48.82
Weighted average grant date fair value per share Granted (usd per share)   199.33 138.45 119.30
Weighted Average Grant Date Fair value per Share Vested (usd per share)   126.81 114.49 57.29
Restricted stock units, cancelled, Weighted Average Grant Date Fair Value (usd per share)   142.78 130.30 79.51
Ending Balance, Weighted Average Grant-Date Fair value per Share (usd per share)   $ 163.42 $ 130.71 $ 95.17
Broadcom [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Restricted stock units assumed, Number of Shares (shares)     6  
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Assumed In Connection With Acquisitions In Period Weighted Average Grant Date Fair Value     $ 135.58