Fair Value Measurements (Estimated Fair Value Of Company Long Term Debt) (Details) - USD ($) $ in Millions |
Jul. 29, 2017 |
Jul. 30, 2016 |
|---|---|---|
| Long-term debt | $ 6,217 | $ 6,822 |
| Carrying Amount | ||
| Long-term debt | 6,274 | 6,540 |
| Notional Amount | ||
| Long-term debt | $ 6,209 | $ 6,461 |
| X | ||||||||||
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|