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Income Tax Expense (Benefit) Reconciliation of the U.S. Federal statutory rate (Details) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 21, 2017 | Jun. 29, 2018 | Jun. 30, 2017 | Jul. 01, 2016
Income Tax Disclosure [Abstract] |  |  |  |
U.S. Federal statutory rate | 35.00% | 28.00% | 35.00% | 35.00%
Tax rate differential on international income |  | (34.00%) | (27.00%) | (103.00%)
Tax effect of U.S. non-deductible convertible debt costs |  | 0.00% | 0.00% | 13.00%
Tax effect of U.S. non-deductible acquisition costs |  | 0.00% | 0.00% | 10.00%
Tax effect of U.S. foreign income inclusion |  | 1.00% | 4.00% | 9.00%
Tax effect of U.S. non-deductible stock-based compensation |  | 1.00% | 1.00% | 9.00%
Tax effect of U.S. permanent differences |  | (1.00%) | (1.00%) | 1.00%
State income tax, net of federal tax |  | 0.00% | 1.00% | (1.00%)
One-time mandatory deemed repatriation tax |  | 75.00% | 0.00% | 0.00%
Re-measurement of deferred taxes |  | (3.00%) | 0.00% | 0.00%
Change in valuation allowance |  | 5.00% | 29.00% | 16.00%
Unremitted earnings of certain non-U.S. entities |  | 0.00% | 5.00% | 0.00%
Tax related to SanDisk integration |  | 0.00% | 12.00% | 0.00%
Retroactive extension of Federal R&D credit |  | (0.00%) | (0.00%) | (9.00%)
Income tax credits |  | (4.00%) | (12.00%) | (43.00%)
Other |  | 0.00% | 1.00% | 5.00%
Effective tax rate |  | 68.00% | 48.00% | (58.00%)

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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 + Details
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