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Goodwill and Intangible Assets (Goodwill Rollforward) (Details) $ in Millions | 12 Months Ended
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Nov. 03, 2019 USD ($) segment | Nov. 04, 2018 USD ($)
Goodwill [Line Items] |  |
Number of reportable segments | segment | 2 |
Goodwill [Roll Forward] |  |
Beginning balance | $ 26,913 | $ 24,706
Goodwill acquired | 9,801 | 2,207
Ending balance | 36,714 | 26,913
Semiconductor Solutions |  |
Goodwill [Roll Forward] |  |
Beginning balance | 25,933 | 24,706
Goodwill acquired | 5 | 1,227
Ending balance | 25,938 | 25,933
Infrastructure Software |  |
Goodwill [Roll Forward] |  |
Beginning balance | 980 | 0
Goodwill acquired |  | 980
Ending balance | 10,776 | $ 980
Infrastructure Software | CA Technologies, Inc. |  |
Goodwill [Roll Forward] |  |
Goodwill acquired | $ 9,796 |

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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599 + Details
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- Details
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