Fair Value Measurements (Estimated Fair Value Of Company Long Term Debt) (Details) - USD ($) $ in Millions |
Aug. 04, 2018 |
Jul. 29, 2017 |
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| Long-term debt | $ 5,314 | $ 6,217 |
| Carrying Amount | ||
| Long-term debt | 5,447 | 6,274 |
| Notional Amount | ||
| Long-term debt | $ 5,423 | $ 6,209 |
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- 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
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