Pension And Postretirement Benefits (Schedule Of Components of Benefit Expense) (Details) - USD ($) $ in Millions |
3 Months Ended |
9 Months Ended |
May 03, 2026 |
Apr. 27, 2025 |
May 03, 2026 |
Apr. 27, 2025 |
| Pension Plan, Defined Benefit [Member] |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Defined Benefit Plan, Service Cost |
$ 3
|
$ 4
|
$ 9
|
$ 10
|
| Defined Benefit Plan, Interest Cost |
$ 14
|
$ 15
|
$ 42
|
$ 46
|
| 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)
|
Other expenses / (income)
|
| Expected return on plan assets |
$ (20)
|
$ (20)
|
$ (59)
|
$ (60)
|
| 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)
|
Other expenses / (income)
|
| Defined Benefit Plan, Amortization of Prior Service Cost (Credit) |
$ 0
|
$ 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)
|
Other expenses / (income)
|
| Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits |
$ 38
|
$ 0
|
$ 38
|
$ 0
|
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment |
$ 5
|
$ 0
|
$ 5
|
$ 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)
|
Other expenses / (income)
|
| Defined Benefit Plan, Actuarial Gain (Loss) |
$ 25
|
$ 0
|
$ 25
|
$ 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)
|
Other expenses / (income)
|
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) |
$ 5
|
$ (1)
|
$ 0
|
$ (4)
|
| Other Postretirement Benefit Plans, Defined Benefit [Member] |
|
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
| Defined Benefit Plan, Service Cost |
0
|
0
|
0
|
0
|
| Defined Benefit Plan, Interest Cost |
$ 1
|
$ 2
|
$ 4
|
$ 5
|
| 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)
|
Other expenses / (income)
|
| Expected return on plan assets |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
| 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)
|
Other expenses / (income)
|
| Defined Benefit Plan, Amortization of Prior Service Cost (Credit) |
$ 0
|
$ (1)
|
$ 0
|
$ (1)
|
| 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)
|
Other expenses / (income)
|
| Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment |
$ 0
|
$ 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)
|
Other expenses / (income)
|
| Defined Benefit Plan, Actuarial Gain (Loss) |
$ 0
|
$ 0
|
$ 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 expenses / (income)
|
Other expenses / (income)
|
Other expenses / (income)
|
Other expenses / (income)
|
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) |
$ 1
|
$ 1
|
$ 4
|
$ 6
|