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Pension And Postretirement Benefits (Schedule Of Components of Benefit Expense) (Details) - USD ($)
$ in Millions
 3 Months Ended
Nov. 02, 2025
Oct. 27, 2024
Pension Plan, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Service Cost $ 3 $ 3
Defined Benefit Plan, Interest Cost $ 14 $ 15
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Expected return on plan assets $ (19) $ (20)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Defined Benefit Plan, Actuarial Gain (Loss) $ 0 $ 0
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Immediate Recognition of Actuarial Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) $ (2) $ (2)
Other Postretirement Benefit Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Service Cost 0 0
Defined Benefit Plan, Interest Cost $ 1 $ 2
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Expected return on plan assets $ 0 $ 0
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Defined Benefit Plan, Actuarial Gain (Loss) $ 0 $ (2)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Immediate Recognition of Actuarial Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) $ 1 $ 4