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Subsequent Events - Additional Information (Detail) - USD ($) |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 17, 2016 | Feb. 02, 2016 | Jan. 29, 2016 | Jan. 23, 2015 | Jan. 29, 2016 | Jan. 23, 2015 | May. 31, 2015
Subsequent Event [Line Items] |  |  |  |  |  |  |
Reduction of global work force |  |  |  |  |  |  | 3.00%
Net charges |  |  | $ 0 | $ 0 | $ 28,000,000 | $ 0 |
Subsequent Event |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Reduction of global work force | 12.00% |  |  |  |  |  |
Subsequent Event | Credit Facility Amendment |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Credit facility, amount |  | $ 300,000,000 |  |  |  |  |
Subsequent Event | Loans Payable |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Short-term loan |  | $ 870,000,000 |  |  |  |  |
Short-term loan, maturity date |  | Nov. 02, 2016 |  |  |  |  |
Subsequent Event | Minimum |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Net charges | $ 60,000,000 |  |  |  |  |  |
Subsequent Event | Maximum |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Net charges | $ 70,000,000 |  |  |  |  |  |
Subsequent Event | SolidFire |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Business acquisition cash paid |  | $ 855,000,000 |  |  |  |  |
Subsequent Event | SolidFire | Minimum |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Purchase price allocated to identifiable intangible assets other than goodwill |  | 100,000,000 |  |  |  |  |
Subsequent Event | SolidFire | Maximum |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Purchase price allocated to identifiable intangible assets other than goodwill |  | $ 200,000,000 |  |  |  |  |

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