v3.26.3
Pension And Postretirement Benefits (Amounts Recognized in Consolidated Balance Sheets) (Details) - USD ($)
$ in Millions
Aug. 02, 2026
Aug. 03, 2025
Defined Benefit Plan Disclosure [Line Items]    
Assets for Plan Benefits, Defined Benefit Plan $ 125 $ 128
Pension Plan, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Assets for Plan Benefits, Defined Benefit Plan 125 128
Liability, Defined Benefit Plan, Current 11 10
Liability, Defined Benefit Plan, Noncurrent 83 88
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position 31 30
Other Postretirement Benefit Plan, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Assets for Plan Benefits, Defined Benefit Plan 0 0
Liability, Defined Benefit Plan, Current 15 16
Liability, Defined Benefit Plan, Noncurrent 100 111
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position (115) (127)
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax $ (8) $ (9)