v3.10.0.1

Income Taxes (Additional Information) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 27, 2018 | Oct. 28, 2017 | Jul. 28, 2018
Income Tax Contingency [Line Items] |  |  |
Benefit for provision for income taxes | $ (360) | $ (568) |
Tax Cuts and Jobs Act of 2017, provisional tax expense |  |  | $ 10,400
Tax Cuts and Jobs Act of 2017, transition tax expense (benefit) | 8,100 |  | $ (863)
Tax Cuts and Jobs Act of 2017, tax expense for foreign withholding tax | 1,200 |  |
Tax Cuts and Jobs Act of 2017, re-measurement of net deferred tax assets | 1,100 |  |
Unrecognized tax benefits | 1,900 |  |
Unrecognized tax benefits that would impact effective tax rate | 1,700 |  |
Unrecognized tax benefit that could be reduced in next 12 months | 200 |  |
Accounting Standards Update 2014-09 | Difference between Revenue Guidance in Effect before and after Topic 606 |  |  |
Income Tax Contingency [Line Items] |  |  |
Benefit for provision for income taxes | $ 152 |  |

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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 20 -Section 45 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324 + Details
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