Pension And Postretirement Benefits (Schedule Of Assumed Health Care Cost Trend Rates) (Details) - Other Postretirement Benefit Plan, Defined Benefit [Member] |
12 Months Ended | |
|---|---|---|
Aug. 02, 2026 |
Aug. 03, 2025 |
|
| Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract] | ||
| Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year | 6.50% | 6.50% |
| Defined Benefit Plan, Ultimate Health Care Cost Trend Rate | 5.00% | 5.00% |
| Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate | 2032 | 2032 |