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Acquisitions (Intangible Assets) (Details) - USD ($) $ in Millions		12 Months Ended
	Nov. 04, 2019	Oct. 30, 2022	Oct. 31, 2021
Customer contracts and related relationships
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted-average amortization periods (in years)		2 years	3 years
Order backlog
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted-average amortization periods (in years)		1 year	2 years
Trade names
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted-average amortization periods (in years)		8 years	8 years
Symantec Asset Purchase
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Identified finite-lived intangible assets	$ 5,411
Total identified intangible assets	5,411
Current assets	273
Symantec Asset Purchase | Developed technology
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Identified finite-lived intangible assets	$ 2,900
Weighted-average amortization periods (in years)	5 years
Symantec Asset Purchase | Customer contracts and related relationships
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Identified finite-lived intangible assets	$ 2,410
Weighted-average amortization periods (in years)	5 years
Symantec Asset Purchase | Order or Production Backlog and Other
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Weighted-average amortization periods (in years)	3 years
Symantec Asset Purchase | Order backlog
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Identified finite-lived intangible assets	$ 11
Symantec Asset Purchase | Trade names
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Identified finite-lived intangible assets	$ 90
Weighted-average amortization periods (in years)	6 years

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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