v3.26.3
Pension And Postretirement Benefits (Schedule Of Pension Plan Assets By Category) (Details) - USD ($)
$ in Millions
Aug. 02, 2026
Aug. 03, 2025
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount $ 1,148 $ 1,244
Fair Value, Inputs, Level 1 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 4 2
Fair Value, Inputs, Level 2 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 743 827
Fair Value, Inputs, Level 3 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 2 4
Fair Value, Inputs, Level 1, 2 and 3 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 749 833
Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 402 418
Short-term Investments [Member] | Fair Value, Inputs, Level 1 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 4 2
Short-term Investments [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 4 2
Short-term Investments [Member] | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 26 27
Equity Securities, US [Member] | Fair Value, Inputs, Level 2 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 1 1
Equity Securities, US [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 1 1
Corporate Bonds, US [Member] | Fair Value, Inputs, Level 2 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 396 410
Corporate Bonds, US [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 396 410
Corporate Bonds, Non-US [Member] | Fair Value, Inputs, Level 2 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 56 81
Corporate Bonds, Non-US [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 56 81
US Treasury and Government [Member] | Fair Value, Inputs, Level 2 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 261 302
US Treasury and Government [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 261 302
Debt Security, Government, Non-US [Member] | Fair Value, Inputs, Level 2 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 19 23
Debt Security, Government, Non-US [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 19 23
Municipal Bonds [Member] | Fair Value, Inputs, Level 2 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 2 3
Municipal Bonds [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 2 3
Asset-backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 8 7
Asset-backed Securities [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 8 7
Hedge Funds [Member] | Fair Value, Inputs, Level 3 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 2 4
Hedge Funds [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 2 4
Equity Funds [Member] | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 237 244
Fixed Income Funds [Member] | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 76 79
Real Estate Funds [Member] | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Plan Assets, Amount 63 68
Financial Instrument, Other    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, other items to reconcile to fair value of plan assets, amount $ (3) $ (7)