Pension And Postretirement Benefits (Schedule Of Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets) (Details) - Pension Plan, Defined Benefit [Member] - USD ($) $ in Millions |
Aug. 02, 2026 |
Aug. 03, 2025 |
|---|---|---|
| Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract] | ||
| Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation | $ 94 | $ 98 |
| Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation | 94 | 96 |
| Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets | $ 0 | $ 0 |