Restructuring Charges and Cost Savings Initiatives (Schedule Of Restructuring Activity And Related Reserves) (Details) - 2025 Initiatives $ in Millions |
3 Months Ended | 9 Months Ended | 114 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Apr. 27, 2025
USD ($)
|
Apr. 27, 2025
USD ($)
|
Jul. 28, 2024
USD ($)
|
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| Restructuring Reserve [Roll Forward] | ||||||||||||||
| Other Restructuring Costs | $ 21 | $ 73 | ||||||||||||
| Severance Pay And Benefits [Member] | ||||||||||||||
| Restructuring Reserve [Roll Forward] | ||||||||||||||
| Accrued Balance at beginning of period | 36 | [1] | ||||||||||||
| Restructuring and Related Cost, Incurred Cost | 17 | |||||||||||||
| Cash Payments | (21) | |||||||||||||
| Accrued Balance at end of period | 32 | [2] | 32 | [2] | $ 36 | [1] | ||||||||
| Restructuring Reserve, Noncurrent | $ 16 | 16 | $ 12 | |||||||||||
| Other Cost Savings Implementation Costs [Member] | ||||||||||||||
| Restructuring Reserve [Roll Forward] | ||||||||||||||
| Other Restructuring Costs | 31 | [3] | ||||||||||||
| Asset Impairment Accelerated Depreciation [Member] | ||||||||||||||
| Restructuring Reserve [Roll Forward] | ||||||||||||||
| Other Restructuring Costs | 23 | |||||||||||||
| Other Non Cash Exit Costs [Member] | ||||||||||||||
| Restructuring Reserve [Roll Forward] | ||||||||||||||
| Other Restructuring Costs | $ 2 | [4] | ||||||||||||
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