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Financial Instruments (Narrative) (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
May 01, 2022
Aug. 01, 2021
Derivative Instruments, Gain (Loss) [Line Items]    
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months $ 13  
Accrued Liabilities [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Margin Deposit Liabilities $ (3) $ (14)
Foreign Exchange Contract [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Contracts Mature Within, Months 18 months  
Commodity Derivative Contracts [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Maximum Length of Contract Maturity 18 months  
Deferred Compensation Derivative Contracts [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Maximum Length of Contract Maturity 12 months  
Derivatives Designated As Hedges [Member] | Foreign Exchange Contract [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative, Notional Amount $ 176 134
Derivatives Designated As Hedges [Member] | Commodity Derivative Contracts [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative, Notional Amount 9 18
Derivatives Not Designated As Hedges [Member] | Foreign Exchange Contract [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative, Notional Amount 15 13
Derivatives Not Designated As Hedges [Member] | Commodity Derivative Contracts [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative, Notional Amount 184 190
Derivatives Not Designated As Hedges [Member] | Embedded Derivative Financial Instruments [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative, Notional Amount 63 38
Derivatives Not Designated As Hedges [Member] | Deferred Compensation Derivative Contracts [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative, Notional Amount $ 50 $ 29
Wal-Mart Stores, Inc. [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Concentration Risk, Percentage   21.00%
Top Five Customers [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Concentration Risk, Percentage   46.00%