|
Commitments and Contingencies - Additional Information (Detail) (Guarantee obligations [Member], USD $)
In Millions, unless otherwise specified |
May 04, 2013
|
Apr. 28, 2012
|
|---|---|---|
|
Guarantee obligations [Member]
|
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| Loss Contingencies [Line Items] | ||
| Guarantees in the form of commercial letters of credit | $ 11 | $ 26 |