v3.25.2
Pension And Postretirement Benefits (Amounts Recognized in Consolidated Balance Sheets) (Details) - USD ($)
$ in Millions
Aug. 03, 2025
Jul. 28, 2024
Defined Benefit Plan Disclosure [Line Items]    
Assets for Plan Benefits, Defined Benefit Plan $ 128 $ 143
Pension Plan, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Assets for Plan Benefits, Defined Benefit Plan 128 143
Liability, Defined Benefit Plan, Current 10 10
Liability, Defined Benefit Plan, Noncurrent 88 93
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position 30 40
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 16 17
Liability, Defined Benefit Plan, Noncurrent 111 128
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position (127) (145)
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax $ (9) $ (3)