Restructuring Charges and Cost Savings Initiatives (Schedule Of Restructuring Activity And Related Reserves) (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Apr. 28, 2024 |
Apr. 30, 2023 |
Apr. 28, 2024 |
Apr. 30, 2023 |
Jul. 30, 2023 |
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| 2015 and Snyder's-Lance Initiatives [Member] | |||||||||||||||
| Restructuring Reserve [Roll Forward] | |||||||||||||||
| Other Restructuring Costs | $ 15 | $ 33 | $ 64 | $ 50 | |||||||||||
| 2015 and Snyder's-Lance Initiatives [Member] | Severance Pay And Benefits [Member] | |||||||||||||||
| Restructuring Reserve [Roll Forward] | |||||||||||||||
| Accrued Balance at beginning of period | [1] | 13 | |||||||||||||
| Restructuring and Related Cost, Incurred Cost | 1 | ||||||||||||||
| Cash Payments | (7) | ||||||||||||||
| Accrued Balance at end of period | [2] | 7 | 7 | ||||||||||||
| Restructuring Reserve, Noncurrent | 4 | 4 | $ 7 | ||||||||||||
| 2015 and Snyder's-Lance Initiatives [Member] | Other Cost Savings Implementation Costs [Member] | |||||||||||||||
| Restructuring Reserve [Roll Forward] | |||||||||||||||
| Other Restructuring Costs | [3] | 27 | |||||||||||||
| 2015 and Snyder's-Lance Initiatives [Member] | Asset Impairment Accelerated Depreciation [Member] | |||||||||||||||
| Restructuring Reserve [Roll Forward] | |||||||||||||||
| Other Restructuring Costs | 18 | ||||||||||||||
| 2015 and Snyder's-Lance Initiatives [Member] | Other Non Cash Exit Costs [Member] | |||||||||||||||
| Restructuring Reserve [Roll Forward] | |||||||||||||||
| Other Restructuring Costs | [4] | 18 | |||||||||||||
| Sovos Initiatives [Member] | Severance Pay And Benefits [Member] | |||||||||||||||
| Restructuring Reserve [Roll Forward] | |||||||||||||||
| Restructuring and Related Cost, Incurred Cost | 16 | ||||||||||||||
| Cash Payments | 0 | ||||||||||||||
| Accrued Balance at end of period | [5] | 16 | 16 | ||||||||||||
| Restructuring Reserve, Noncurrent | $ 5 | $ 5 | |||||||||||||
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