v3.8.0.1

Income Taxes - Summary of Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Jan. 01, 2017
--- | --- | ---
Deferred tax assets: |  |
Net operating losses | $ 18 | $ 20
Tax credits | 57 | 43
Other accruals and reserves | 25 | 24
Stock compensation | 19 | 38
Deferred rent | 28 | 38
Cost sharing adjustment | 21 | 32
Other amortization | 12 | 16
Lease obligation | 27 |
Investments | 13 | 6
Other | 26 | 32
Total gross deferred tax assets | 246 | 249
Valuation allowance on deferred tax assets | (25) | (18)
Total deferred tax assets | 221 | 231
Deferred tax liabilities: |  |
Purchased intangible amortization | (26) | (53)
Convertible debt | (18) | (37)
Property and equipment | (44) | (17)
Investments | (40) |
Other | (5) | (1)
Total deferred tax liabilities | (133) | (108)
Deferred tax assets, net | $ 88 | $ 123

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