| Component: (Network and Table) | |
|---|---|
| Network | 1108 - Disclosure - Segment Geographic and Significant Customer Information - Significant Customers (Detail) (http://www.netapp.com/taxonomy/role/DisclosureSegmentGeographicAndSignificantCustomerInformationSignificantCustomers) |
| Table | Schedule of Segment Reporting Information, by Segment [Table] |
| Reporting Entity [Axis] | 0001002047 (http://www.sec.gov/CIK) |
| Legal Entity [Axis] | Entity [Domain] |
| Segment Reporting Information [Line Items] | Period [Axis] | |||||
|---|---|---|---|---|---|---|
2012-04-28 - 2013-04-26 | 2011-04-30 - 2012-04-27 | 2010-05-01 - 2011-04-29 | ||||
| Major Customers [Axis] | Major Customers [Axis] | Major Customers [Axis] | ||||
| Arrow Electronics Inc [Member] | Avnet Inc [Member] | Arrow Electronics Inc [Member] | Avnet Inc [Member] | Arrow Electronics Inc [Member] | Avnet Inc [Member] | |
Percentage of net revenues | .19 | .15 | .17 | .12 | .18 | .12 |