|
Borrowings (Short-Term Debt) (Detail) (USD $)
In Millions, unless otherwise specified |
Oct. 26, 2013
|
Jul. 27, 2013
|
|---|---|---|
| Short-term Debt [Line Items] | ||
| Debt, Current | $ 3,279 | $ 3,283 |
|
Senior Notes [Member]
|
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| Short-term Debt [Line Items] | ||
| Debt, Current | 3,269 | 3,273 |
| Short-term debt, weighted-average interest rate | 0.61% | 0.63% |
|
Short-term Debt [Member]
|
||
| Short-term Debt [Line Items] | ||
| Debt, Current | $ 10 | $ 10 |
| Short-term debt, weighted-average interest rate | 2.52% | 2.52% |