Balance Sheet Account Details (Tables)
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12 Months Ended |
Dec. 31, 2017 |
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
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Summary of Short-term Investments |
The following is a summary of short-term investments (in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2017 | | January 1, 2017 | | Amortized Cost | | Gross Unrealized Losses | | Estimated Fair Value | | Amortized Cost | | Gross Unrealized Losses | | Estimated Fair Value | Available-for-sale securities: | Debt securities in government-sponsored entities | $ | 67 |
| | $ | — |
| | $ | 67 |
| | $ | 34 |
| | $ | — |
| | $ | 34 |
| Corporate debt securities | 423 |
| | (2 | ) | | 421 |
| | 478 |
| | (2 | ) | | 476 |
| U.S. Treasury securities | 433 |
| | (1 | ) | | 432 |
| | 316 |
| | (2 | ) | | 314 |
| Total available-for-sale securities | $ | 923 |
| | $ | (3 | ) | | $ | 920 |
| | $ | 828 |
| | $ | (4 | ) | | $ | 824 |
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Summary of Contractual Maturities of Available-for-sale Debt Securities |
Contractual maturities of available-for-sale debt securities as of December 31, 2017 are as follows (in millions): | | | | | | Estimated Fair Value | Due within one year | $ | 686 |
| After one but within five years | 234 |
| Total | $ | 920 |
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Summary of Accounts Receivable |
Accounts receivable, net consist of the following (in millions): | | | | | | | | | | December 31, 2017 | | January 1, 2017 | Trade accounts receivable, gross | $ | 414 |
| | $ | 385 |
| Allowance for doubtful accounts | (3 | ) | | (4 | ) | Total accounts receivable, net | $ | 411 |
| | $ | 381 |
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Summary of Inventory |
Inventory consists of the following (in millions): | | | | | | | | | | December 31, 2017 | | January 1, 2017 | Raw materials | $ | 93 |
| | $ | 102 |
| Work in process | 188 |
| | 161 |
| Finished goods | 52 |
| | 37 |
| Total inventory | $ | 333 |
| | $ | 300 |
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Summary of Property and Equipment |
The estimated useful lives of the major classes of property and equipment are generally as follows: | | | | Estimated Useful Lives | Building and leasehold improvements | 4 to 30 years | Machinery and equipment | 3 to 5 years | Computer hardware and software | 3 to 7 years | Furniture and fixtures | 7 years |
Property and equipment, net consists of the following (in millions): | | | | | | | | | | December 31, 2017 | | January 1, 2017 | Leasehold improvements | $ | 331 |
| | $ | 270 |
| Machinery and equipment | 316 |
| | 274 |
| Computer hardware and software | 185 |
| | 156 |
| Furniture and fixtures | 34 |
| | 24 |
| Building | 155 |
| | 9 |
| Construction in progress | 326 |
| | 307 |
| Total property and equipment, gross | 1,347 |
| | 1,040 |
| Accumulated depreciation | (416 | ) | | (327 | ) | Total property and equipment, net | $ | 931 |
| | $ | 713 |
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Summary of Changes in Goodwill |
Changes to goodwill balance from January 3, 2016 through December 31, 2017 are as follows (in millions): | | | | | | Goodwill | Balance as of January 3, 2016 | $ | 753 |
| Acquisitions | 23 |
| Balance as of January 1, 2017 | 776 |
| GRAIL deconsolidation | (5 | ) | Balance as of December 31, 2017 | $ | 771 |
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Summary of Accrued Liabilities |
Accrued liabilities consist of the following (in millions): | | | | | | | | | | December 31, 2017 | | January 1, 2017 | Accrued compensation expenses | $ | 177 |
| | $ | 112 |
| Deferred revenue, current portion | 130 |
| | 121 |
| Accrued taxes payable | 50 |
| | 32 |
| Customer deposits | 20 |
| | 20 |
| Other, including warranties (a) | 55 |
| | 57 |
| Total accrued liabilities | $ | 432 |
| | $ | 342 |
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Summary of Changes in Reserve for Product Warranties |
Changes in reserve for product warranties from December 28, 2014 through December 31, 2017 are as follows (in millions): | | | | | | Warranty Reserve | Balance as of December 28, 2014 | $ | 16 |
| Additions charged to cost of revenue | 28 |
| Repairs and replacements | (27 | ) | Balance as of January 3, 2016 | 17 |
| Additions charged to cost of revenue | 21 |
| Repairs and replacements | (25 | ) | Balance as of January 1, 2017 | 13 |
| Additions charged to cost of revenue | 26 |
| Repairs and replacements | (22 | ) | Balance as of December 31, 2017 | $ | 17 |
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Summary of Activity of Redeemable Noncontrolling Interests |
The activity of the redeemable noncontrolling interests from December 28, 2014 through December 31, 2017 is as follows (in millions): | | | | | | Redeemable Noncontrolling Interests | Balance as of December 28, 2014 | $ | — |
| Cash contributions | 57 |
| Amount held in escrow by third party | (24 | ) | Net loss attributable to noncontrolling interests | (4 | ) | Adjustment up to the redemption value | 4 |
| Balance as of January 3, 2016 | 33 |
| Cash contributions | 9 |
| Vesting of redeemable equity awards | 2 |
| Net loss attributable to noncontrolling interests | (21 | ) | Adjustment up to the redemption value | 21 |
| Balance as of January 1, 2017 | 44 |
| Amount released from escrow | 79 |
| Vesting of redeemable equity awards | 13 |
| Net loss attributable to noncontrolling interests | (41 | ) | Adjustment up to the redemption value | 136 |
| Deconsolidation of GRAIL | (11 | ) | Balance as of December 31, 2017 | $ | 220 |
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