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Financial Instruments (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Oct. 29, 2017
Oct. 30, 2016
Jul. 30, 2017
Oct. 16, 2017
Derivatives, Fair Value [Line Items]        
Derivative, Loss on Derivative $ 22      
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months $ (6)      
Cash Flow Hedge Ineffectiveness is Immaterial The ineffective portion and amount excluded from effectiveness testing were not material.      
Other Current Assets [Member]        
Derivatives, Fair Value [Line Items]        
Margin Deposit Assets $ 2   $ 1  
Foreign Exchange Contract [Member]        
Derivatives, Fair Value [Line Items]        
Contracts Mature Within, Months 18 months      
Derivative, Loss on Derivative $ 6 $ 3    
Interest Rate Contract [Member]        
Derivatives, Fair Value [Line Items]        
Derivative, Loss on Derivative $ 3 $ 10    
Commodity Derivative Contracts [Member]        
Derivatives, Fair Value [Line Items]        
Maximum Length of Contract Maturity 18 months      
Deferred Compensation Derivative Contracts [Member]        
Derivatives, Fair Value [Line Items]        
Maximum Length of Contract Maturity 12 months      
Derivatives Designated As Hedges [Member] | Foreign Exchange Contract [Member]        
Derivatives, Fair Value [Line Items]        
Derivative, Notional Amount $ 66   84  
Derivatives Designated As Hedges [Member] | Interest Rate Contract [Member]        
Derivatives, Fair Value [Line Items]        
Derivative, Notional Amount 300   300 $ 300
Derivatives Designated As Hedges [Member] | Commodity Derivative Contracts [Member]        
Derivatives, Fair Value [Line Items]        
Derivative, Notional Amount 0   0  
Derivatives Not Designated As Hedges [Member] | Foreign Exchange Contract [Member]        
Derivatives, Fair Value [Line Items]        
Derivative, Notional Amount 176   336  
Derivatives Not Designated As Hedges [Member] | Currency Swap [Member]        
Derivatives, Fair Value [Line Items]        
Derivative, Notional Amount 0   0  
Derivatives Not Designated As Hedges [Member] | Commodity Derivative Contracts [Member]        
Derivatives, Fair Value [Line Items]        
Derivative, Notional Amount 76   90  
Derivatives Not Designated As Hedges [Member] | Embedded Derivative Financial Instruments [Member]        
Derivatives, Fair Value [Line Items]        
Derivative, Notional Amount 13   35  
Derivatives Not Designated As Hedges [Member] | Deferred Compensation Derivative Contracts [Member]        
Derivatives, Fair Value [Line Items]        
Derivative, Notional Amount $ 42   $ 43  
Wal-Mart Stores, Inc. [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member]        
Derivatives, Fair Value [Line Items]        
Entity Wide Revenue, Major Customer, Percentage Of Net Sales     20.00%  
Top Five Customers [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member]        
Derivatives, Fair Value [Line Items]        
Entity Wide Revenue, Major Customer, Percentage Of Net Sales     39.00%