v3.25.2
Pension And Postretirement Benefits (Schedule Of Components of Benefit Expense) (Details) - USD ($)
$ in Millions
 12 Months Ended
Aug. 03, 2025
Jul. 28, 2024
Jul. 30, 2023
Pension Plan, Defined Benefit [Member]      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]      
Defined Benefit Plan, Service Cost $ 13 $ 13 $ 13
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other expenses / (income) Other expenses / (income) Other expenses / (income)
Defined Benefit Plan, Interest Cost $ 61 $ 65 $ 73
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other expenses / (income) Other expenses / (income) Other expenses / (income)
Expected return on plan assets $ (79) $ (80) $ (100)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration] Other expenses / (income) Other expenses / (income) Other expenses / (income)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) $ 0 $ 0 $ 1
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Immediate Recognition of Actuarial Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other expenses / (income) Other expenses / (income) Other expenses / (income)
Defined Benefit Plan, Actuarial (Gain) Loss $ 26 $ 33 $ (6)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) 21 31 (19)
Other Postretirement Benefit Plans, Defined Benefit [Member]      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]      
Defined Benefit Plan, Service Cost $ 0 $ 0 $ 0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other expenses / (income) Other expenses / (income) Other expenses / (income)
Defined Benefit Plan, Interest Cost $ 6 $ 8 $ 7
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other expenses / (income) Other expenses / (income) Other expenses / (income)
Expected return on plan assets $ 0 $ 0 $ 0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration] Other expenses / (income) Other expenses / (income) Other expenses / (income)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) $ (1) $ 0 $ (1)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Immediate Recognition of Actuarial Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other expenses / (income) Other expenses / (income) Other expenses / (income)
Defined Benefit Plan, Actuarial (Gain) Loss $ (2) $ 0 $ (9)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) $ 3 $ 8 $ (3)