v3.26.3
Pension And Postretirement Benefits (Schedule Of Components of Benefit Expense) (Details) - USD ($)
$ in Millions
 12 Months Ended
Aug. 02, 2026
Aug. 03, 2025
Jul. 28, 2024
Pension Plan, Defined Benefit [Member]      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]      
Defined Benefit Plan, Service Cost $ 12 $ 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 $ 55 $ 61 $ 65
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) $ (79) $ (80)
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 $ 0
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits $ 38 $ 0 $ 0
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Curtailment Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other expenses / (income) Other expenses / (income) Other expenses / (income)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment $ (5) $ 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 expenses / (income) Other expenses / (income) Other expenses / (income)
Defined Benefit Plan, Actuarial (Gain) Loss $ (14) $ 26 $ 33
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) 7 21 31
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 $ 6 $ 8
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) $ (1) $ 0
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits $ 0 $ 0 $ 0
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Curtailment Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other expenses / (income) Other expenses / (income) Other expenses / (income)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment $ 0 $ 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 expenses / (income) Other expenses / (income) Other expenses / (income)
Defined Benefit Plan, Actuarial (Gain) Loss $ (4) $ (2) $ 0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) $ 1 $ 3 $ 8