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Balance Sheet Details (Tables) | 6 Months Ended
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Oct. 27, 2017
Statement Of Financial Position [Abstract] |
Cash and Cash Equivalents | Cash and cash equivalents (in millions):
|  | October 27, 2017 |  |  | April 28, 2017 |
Cash |  | $ | 3,111 |  |  | $ | 2,275 |
Cash equivalents |  |  | 424 |  |  |  | 169 |
Cash and cash equivalents |  | $ | 3,535 |  |  | $ | 2,444 |
Inventories | Inventories (in millions):
|  | October 27, 2017 |  |  | April 28, 2017 |
Purchased components |  | $ | 32 |  |  | $ | 28 |
Finished goods |  |  | 76 |  |  |  | 135 |
Inventories |  | $ | 108 |  |  | $ | 163 |
Property and Equipment, Net | Property and equipment, net (in millions):
|  | October 27, 2017 |  |  | April 28, 2017 |
Land |  | $ | 132 |  |  | $ | 132 |
Buildings and improvements |  |  | 633 |  |  |  | 612 |
Leasehold improvements |  |  | 100 |  |  |  | 93 |
Computer, production, engineering and other equipment |  |  | 749 |  |  |  | 741 |
Computer software |  |  | 352 |  |  |  | 353 |
Furniture and fixtures |  |  | 96 |  |  |  | 90 |
Construction-in-progress |  |  | 13 |  |  |  | 26 |
|  |  | 2,075 |  |  |  | 2,047 |
Accumulated depreciation and amortization |  |  | (1,280 | ) |  |  | (1,248 | )
Property and equipment, net |  | $ | 795 |  |  | $ | 799 |
Other Non-Current Assets | Other non-current assets (in millions):
|  | October 27, 2017 |  |  | April 28, 2017 |
Deferred tax assets |  | $ | 483 |  |  | $ | 525 |
Other assets |  |  | 151 |  |  |  | 156 |
Other non-current assets |  | $ | 634 |  |  | $ | 681 |
Accrued Expenses | Accrued expenses (in millions):
|  | October 27, 2017 |  |  | April 28, 2017 |
Accrued compensation and benefits |  | $ | 291 |  |  | $ | 340 |
Sale-leaseback financing obligations |  |  | 130 |  |  |  | 130 |
Product warranty liabilities |  |  | 29 |  |  |  | 33 |
Other current liabilities |  |  | 272 |  |  |  | 279 |
Accrued expenses |  | $ | 722 |  |  | $ | 782 |
Product Warranty Liabilities | The following tables summarize the activity related to product warranty liabilities and their balances as reported in our condensed consolidated balance sheets (in millions):
|  | Three Months Ended |  |  | Six Months Ended |
|  | October 27, 2017 |  |  | October 28, 2016 |  |  | October 27, 2017 |  |  | October 28, 2016 |
Balance at beginning of period |  | $ | 44 |  |  | $ | 61 |  |  | $ | 50 |  |  | $ | 70 |
Expense accrued during the period |  |  | 7 |  |  |  | 1 |  |  |  | 8 |  |  |  | 5 |
Warranty costs incurred |  |  | (7 | ) |  |  | (8 | ) |  |  | (14 | ) |  |  | (21 | )
Balance at end of period |  | $ | 44 |  |  | $ | 54 |  |  | $ | 44 |  |  | $ | 54 |
|  | October 27, 2017 |  |  | April 28, 2017 |
Accrued expenses |  | $ | 29 |  |  | $ | 33 |
Other long-term liabilities |  |  | 15 |  |  |  | 17 |
Total warranty liabilities |  | $ | 44 |  |  | $ | 50 |
Deferred Revenue and Financed Unearned Services Revenue | Deferred revenue and financed unearned services revenue (in millions):
|  | October 27, 2017 |  |  | April 28, 2017 |
Deferred product revenue |  | $ | 123 |  |  | $ | 124 |
Deferred services revenue |  |  | 2,881 |  |  |  | 2,999 |
Financed unearned services revenue |  |  | 163 |  |  |  | 219 |
Total |  | $ | 3,167 |  |  | $ | 3,342 |
Reported as: |  |  |  |  |  |  |  |
Short-term |  | $ | 1,645 |  |  | $ | 1,744 |
Long-term |  |  | 1,522 |  |  |  | 1,598 |
Total |  | $ | 3,167 |  |  | $ | 3,342 |

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