XML 68 R55.htm IDEA: XBRL DOCUMENT v3.20.4
Financial Instruments (Narrative) (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jan. 31, 2021
Aug. 02, 2020
Derivative Instruments, Gain (Loss) [Line Items]    
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months $ (6)  
Other Current Assets [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Margin Deposit Assets   $ 8
Accrued Liabilities [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Margin Deposit Liabilities $ (5)  
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 $ 98 164
Derivatives Designated As Hedges [Member] | Interest Rate Contract [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative, Notional Amount 0 0
Derivatives Designated As Hedges [Member] | Commodity Derivative Contracts [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative, Notional Amount 5 0
Derivatives Not Designated As Hedges [Member] | Foreign Exchange Contract [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative, Notional Amount 20 19
Derivatives Not Designated As Hedges [Member] | Commodity Derivative Contracts [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative, Notional Amount 121 137
Derivatives Not Designated As Hedges [Member] | Embedded Derivative Financial Instruments [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative, Notional Amount 84 34
Derivatives Not Designated As Hedges [Member] | Deferred Compensation Derivative Contracts [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative, Notional Amount $ 22 $ 22
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   44.00%