| Component: (Network and Table) | |
|---|---|
| Network | 100570 - Disclosure - Balance Sheet Details - Inventories (Detail) (http://www.netapp.com/20170428/taxonomy/role/DisclosureBalanceSheetDetailsInventoriesDetail) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001002047 (http://www.sec.gov/CIK) |
| Inventory Disclosure [Abstract] | Period [Axis] | |
|---|---|---|
2017-04-28 | 2016-04-29 | |
Inventory Disclosure [Abstract] | ||
Purchased components | ||
Finished goods | ||
Inventories | 163,000,000 | 98,000,000 |