Restructuring Charges and Cost Savings Initiatives (Schedule Of Restructuring Activity And Related Reserves) (Details) $ in Millions |
12 Months Ended | 24 Months Ended | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Aug. 02, 2026
USD ($)
|
Aug. 03, 2025
USD ($)
|
Jul. 28, 2024
USD ($)
|
Aug. 02, 2026
USD ($)
|
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| Restructuring Reserve [Roll Forward] | ||||||||||||||||||||
| Restructuring Reserve, Noncurrent | $ 4 | $ 14 | $ 4 | |||||||||||||||||
| Asset Impairment Accelerated Depreciation [Member] | ||||||||||||||||||||
| Restructuring Reserve [Roll Forward] | ||||||||||||||||||||
| Other Restructuring Costs | 23 | |||||||||||||||||||
| 2025 Initiatives | ||||||||||||||||||||
| Restructuring Reserve [Roll Forward] | ||||||||||||||||||||
| Other Restructuring Costs | 181 | 104 | 285 | |||||||||||||||||
| 2025 Initiatives | Severance Pay And Benefits [Member] | ||||||||||||||||||||
| Restructuring Reserve [Roll Forward] | ||||||||||||||||||||
| Accrued Balance at beginning of period | 33 | [1] | 36 | [2] | 36 | [2] | ||||||||||||||
| Restructuring and Related Cost, Incurred Cost | 40 | 24 | ||||||||||||||||||
| Cash Payments | (24) | (27) | ||||||||||||||||||
| Accrued Balance at end of period | 49 | [3] | 33 | [1] | $ 36 | [2] | 49 | [3] | ||||||||||||
| Restructuring Reserve, Noncurrent | 4 | 14 | $ 12 | $ 4 | ||||||||||||||||
| 2025 Initiatives | Pension benefits | ||||||||||||||||||||
| Restructuring Reserve [Roll Forward] | ||||||||||||||||||||
| Other Restructuring Costs | 38 | [4] | 0 | [4] | ||||||||||||||||
| 2025 Initiatives | Cash implementation costs and other related costs | ||||||||||||||||||||
| Restructuring Reserve [Roll Forward] | ||||||||||||||||||||
| Other Restructuring Costs | 47 | [5] | 47 | [5] | ||||||||||||||||
| 2025 Initiatives | Asset Impairment Accelerated Depreciation [Member] | ||||||||||||||||||||
| Restructuring Reserve [Roll Forward] | ||||||||||||||||||||
| Other Restructuring Costs | 49 | 31 | ||||||||||||||||||
| 2025 Initiatives | Other Non Cash Exit Costs [Member] | ||||||||||||||||||||
| Restructuring Reserve [Roll Forward] | ||||||||||||||||||||
| Other Restructuring Costs | $ 7 | [6] | $ 2 | [6] | ||||||||||||||||
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