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Balance Sheet Details (Tables) | 12 Months Ended
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Apr. 28, 2017
Statement Of Financial Position [Abstract] |
Cash and Cash Equivalents | Cash and cash equivalents (in millions):
|  | April 28, 2017 |  |  | April 29, 2016 |
Cash |  | $ | 2,275 |  |  | $ | 2,714 |
Cash equivalents |  |  | 169 |  |  |  | 154 |
Cash and cash equivalents |  | $ | 2,444 |  |  | $ | 2,868 |
Inventories | Inventories (in millions):
|  | April 28, 2017 |  |  | April 29, 2016 |
Purchased components |  | $ | 28 |  |  | $ | 10 |
Finished goods |  |  | 135 |  |  |  | 88 |
Inventories |  | $ | 163 |  |  | $ | 98 |
Property and Equipment, Net | Property and equipment, net (in millions):
|  | April 28, 2017 |  |  | April 29, 2016 |
Land |  | $ | 132 |  |  | $ | 215 |
Buildings and improvements |  |  | 612 |  |  |  | 605 |
Leasehold improvements |  |  | 93 |  |  |  | 106 |
Computer, production, engineering and other equipment |  |  | 741 |  |  |  | 751 |
Computer software |  |  | 353 |  |  |  | 352 |
Furniture and fixtures |  |  | 90 |  |  |  | 88 |
Construction-in-progress |  |  | 26 |  |  |  | 74 |
|  |  | 2,047 |  |  |  | 2,191 |
Accumulated depreciation and amortization |  |  | (1,248 | ) |  |  | (1,254 | )
Property and equipment, net |  | $ | 799 |  |  | $ | 937 |
Depreciation and Amortization Expense | Depreciation and amortization expense related to property and equipment, net is summarized below (in millions):
|  | Year Ended |
|  | April 28, 2017 |  |  | April 29, 2016 |  |  | April 24, 2015 |
Depreciation and amortization expense |  | $ | 178 |  |  | $ | 212 |  |  | $ | 243 |
Other Non-Current Assets | Other non-current assets (in millions):
|  | April 28, 2017 |  |  | April 29, 2016 |
Deferred tax assets |  | $ | 525 |  |  | $ | 621 |
Other assets |  |  | 156 |  |  |  | 175 |
Other non-current assets |  | $ | 681 |  |  | $ | 796 |
Accrued Expenses | Accrued expenses (in millions):
|  | April 28, 2017 |  |  | April 29, 2016 |
Accrued compensation and benefits |  | $ | 340 |  |  | $ | 371 |
Sale-leaseback financing obligations |  |  | 130 |  |  |  | 19 |
Product warranty liability |  |  | 33 |  |  |  | 48 |
Other current liabilities |  |  | 279 |  |  |  | 327 |
Accrued expenses |  | $ | 782 |  |  | $ | 765 |
Product Warranty Liabilities | The following tables summarize the activity related to product warranty liabilities and their balances as reported in our consolidated balance sheets (in millions):
|  | Year Ended |
|  | April 28, 2017 |  |  | April 29, 2016 |
Balance at beginning of period |  | $ | 70 |  |  | $ | 86 |
Expense accrued during the period |  |  | 17 |  |  |  | 35 |
Warranty costs incurred |  |  | (37 | ) |  |  | (51 | )
Balance at end of period |  | $ | 50 |  |  | $ | 70 |
|  | April 28, 2017 |  |  | April 29, 2016 |
Accrued expenses |  | $ | 33 |  |  | $ | 48 |
Other long-term liabilities |  |  | 17 |  |  |  | 22 |
Total warranty liabilities |  | $ | 50 |  |  | $ | 70 |
Deferred Revenue and Financed Unearned Services Revenue | Deferred revenue and financed unearned services revenue (in millions):
|  | April 28, 2017 |  |  | April 29, 2016 |
Deferred product revenue |  | $ | 124 |  |  | $ | 68 |
Deferred services revenue |  |  | 2,999 |  |  |  | 3,100 |
Financed unearned services revenue |  |  | 219 |  |  |  | 217 |
Total |  | $ | 3,342 |  |  | $ | 3,385 |
Reported as: |  |  |  |  |  |  |  |
Short-term |  | $ | 1,744 |  |  | $ | 1,794 |
Long-term |  |  | 1,598 |  |  |  | 1,591 |
Total |  | $ | 3,342 |  |  | $ | 3,385 |

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