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Goodwill and Intangible Assets (Goodwill Rollforward) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 04, 2018	Oct. 29, 2017
Goodwill [Roll Forward]
Beginning balance	$ 24,706	$ 24,732
Goodwill, Acquired During Period	2,207	6
Broadcom Merger adjustments		(32)
Ending balance	26,913	24,706
Wired Infrastructure
Goodwill [Roll Forward]
Beginning balance	17,622	17,641
Goodwill, Acquired During Period	83	6
Broadcom Merger adjustments		(25)
Ending balance	17,705	17,622
Wireless communications
Goodwill [Roll Forward]
Beginning balance	5,945	5,952
Goodwill, Acquired During Period	0	0
Broadcom Merger adjustments		(7)
Ending balance	5,945	5,945
Enterprise Storage
Goodwill [Roll Forward]
Beginning balance	995	995
Goodwill, Acquired During Period	2,117	0
Broadcom Merger adjustments		0
Ending balance	3,112	995
Industrial & other
Goodwill [Roll Forward]
Beginning balance	144	144
Goodwill, Acquired During Period	7	0
Broadcom Merger adjustments		0
Ending balance	$ 151	$ 144

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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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=108376223&loc=d3e13816-109267

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- Definition

Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e961-128460

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-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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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

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