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Financing Receivables And Guarantees (Schedule Of Financing Guarantees Outstanding) (Detail) (USD $)
In Millions, unless otherwise specified |
Oct. 27, 2012
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Jul. 28, 2012
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|---|---|---|
| Loss Contingencies [Line Items] | ||
| Maximum potential future payments relating to financing guarantees | $ 615 | $ 509 |
| Deferred revenue associated with financing guarantees | (436) | (393) |
| Maximum potential future payments relating to financing guarantees, net of associated deferred revenue | 179 | 116 |
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Channel Partner [Member]
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| Loss Contingencies [Line Items] | ||
| Maximum potential future payments relating to financing guarantees | 372 | 277 |
| Deferred revenue associated with financing guarantees | (221) | (193) |
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End User [Member]
|
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| Loss Contingencies [Line Items] | ||
| Maximum potential future payments relating to financing guarantees | 243 | 232 |
| Deferred revenue associated with financing guarantees | $ (215) | $ (200) |