v3.26.1
Fair Value Measurements (Fair Value Measurement Of Assets And Liabilities) (Details) - Measured On Recurring Basis [Member] - USD ($)
$ in Millions
May 03, 2026
Aug. 03, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets at fair value $ 35 $ 16
Total liabilities at fair value 117 116
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets at fair value 1 2
Total liabilities at fair value 100 102
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets at fair value 30 11
Total liabilities at fair value 15 10
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets at fair value 4 3
Total liabilities at fair value 2 4
Foreign Exchange Contract [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets at fair value [1] 1 2
Derivatives liabilities at fair value [1] 1 3
Foreign Exchange Contract [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets at fair value [1] 1 2
Derivatives liabilities at fair value [1] 1 3
Commodity Derivative Contracts [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets at fair value [2] 28 12
Derivatives liabilities at fair value [2] 7 11
Commodity Derivative Contracts [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets at fair value [2] 0 1
Derivatives liabilities at fair value [2] 1 0
Commodity Derivative Contracts [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets at fair value [2] 24 8
Derivatives liabilities at fair value [2] 4 7
Commodity Derivative Contracts [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets at fair value [2] 4 3
Derivatives liabilities at fair value [2] 2 4
Equity Contracts [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets at fair value [3] 5 1
Equity Contracts [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative assets at fair value [3] 5 1
Deferred Compensation Investment [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments at fair value [4] 1 1
Deferred Compensation Investment [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments at fair value [4] 1 1
Deferred Compensation Obligation [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Deferred compensation obligation [4] 99 102
Deferred Compensation Obligation [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Deferred compensation obligation [4] 99 102
Interest Rate Swap [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivatives liabilities at fair value [5] 10 0
Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivatives liabilities at fair value [5] $ 10 $ 0
[1] Based on observable market transactions of spot currency rates and forward rates.
[2] Level 1 and 2 are based on quoted futures exchanges and on observable prices of futures and options transactions in the marketplace. Level 3 is based on unobservable inputs in which there is little or no market data, which requires management’s own assumptions within an internally developed model.
[3] Based on observable equity and fixed income index swap rates.
[4] Based on the fair value of the participants’ investments.
[5] Based on observable SOFR swap rates.