Fair Value Measurements (Assets Measured on Recurring Basis Unobservable Input Reconciliation (Details) - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
May 03, 2026 |
Apr. 27, 2025 |
|
| Fair Value Disclosures [Abstract] | ||
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs, Beginning Balance | $ (1) | $ 5 |
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Cost of products sold | Cost of products sold |
| Fair Value, Level 3 investment gain (Loss) Included in Earnings | $ (2) | $ (6) |
| Fair Value, Level 3 Investment, Settlements | 5 | (3) |
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs, Ending Balance | $ 2 | $ (4) |