Restructuring Charges and Cost Savings Initiatives (Schedule Of Restructuring Activity And Related Reserves) (Details) - 2025 Initiatives - USD ($) $ in Millions |
3 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
Oct. 27, 2024 |
Jul. 28, 2024 |
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| Restructuring Reserve [Roll Forward] | ||||||||
| Other Restructuring Costs | $ 27 | |||||||
| Severance Pay And Benefits [Member] | ||||||||
| Restructuring Reserve [Roll Forward] | ||||||||
| Accrued Balance at beginning of period | [1] | 36 | ||||||
| Restructuring and Related Cost, Incurred Cost | 6 | |||||||
| Cash Payments | (7) | |||||||
| Accrued Balance at end of period | [2] | 35 | ||||||
| Restructuring Reserve, Noncurrent | 12 | $ 12 | ||||||
| Other Cost Savings Implementation Costs [Member] | ||||||||
| Restructuring Reserve [Roll Forward] | ||||||||
| Other Restructuring Costs | [3] | 12 | ||||||
| Asset Impairment Accelerated Depreciation [Member] | ||||||||
| Restructuring Reserve [Roll Forward] | ||||||||
| Other Restructuring Costs | $ 9 | |||||||
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